Displaying: 1 - 4216
       
      
                
      
         4216 Records Found 
       
    
   
    
 
   
    
     
   NAMES 
   RRUFF ID 
   IDEAL CHEMISTRY 
   SOURCE 
   LOCALITY 
   OPTIONS 
 
  Abelsonite R070007 
  NiC31 H32 N4  
  Geophysical Laboratory, Carnegie Institution of Washington  
  Green River Formation, Utah, USA 
  
           
 
  Abhurite R060227 
  Sn2+ 21 O6 (OH)14 Cl16  
  Michael Scott S100143 
  Wreck of the SS Cheerful, 14 miles NNW of St. Ives, Cornwall, England 
  
           
 
  Abramovite R070037 
  Pb2 SnInBiS7  
  Michael Scott S105107 
  Kudryaviy Volcano, Iturup Island, Kurilian Archipelago, Russia 
  
           
 
  Acanthite R070578 
  Ag2 S 
  Royal Ontario Museum M41550 
  Echo Bay mine, Port Radium, Northwest Territories, Canada 
  
           
 
  Acanthite R080016 
  Ag2 S 
  William W. Pinch  
  Imiter mine, Djebel Sarhro, near Quarzazate, Anti Atlas Mountains, Morocco 
  
           
 
  Actinolite R040063 
  ◻Ca2 (Mg4.5-2.5 Fe2+ 0.5-2.5 )Si8 O22 (OH)2  
  University of Arizona Mineral Museum 6789 
  Harford County, Maryland, USA 
  
           
 
  Actinolite R040064 
  ◻Ca2 (Mg4.5-2.5 Fe2+ 0.5-2.5 )Si8 O22 (OH)2  
  University of Arizona Mineral Museum 5318 
  Ehime Perfecture, Uma Gun, Japan 
  
           
 
  Actinolite R050025 
  ◻Ca2 (Mg4.5-2.5 Fe2+ 0.5-2.5 )Si8 O22 (OH)2  
  Eugene Schlepp  
  Tyrol, Austria 
  
           
 
  Actinolite X050001 
  ◻Ca2 (Mg4.5-2.5 Fe2+ 0.5-2.5 )Si8 O22 (OH)2  
  George R. Rossman GRR-232 
  Siberia, Russia 
  
           
 
  Actinolite X050002 
  ◻Ca2 (Mg4.5-2.5 Fe2+ 0.5-2.5 )Si8 O22 (OH)2  
  UCLA MS 2842 
  Lone Pine Canyon, San Diego County, California, USA 
  
           
 
  Actinolite X050003 
  ◻Ca2 (Mg4.5-2.5 Fe2+ 0.5-2.5 )Si8 O22 (OH)2  
  UCLA MS 2843 
  Cloverdale Highway, California 
  
           
 
  Actinolite X050004 
  ◻Ca2 (Mg4.5-2.5 Fe2+ 0.5-2.5 )Si8 O22 (OH)2  
  California Institute of Technology 299 
  One mile north Summit Reservoir, Berkeley, California 
  
           
 
  Actinolite R050336 
  ◻Ca2 (Mg4.5-2.5 Fe2+ 0.5-2.5 )Si8 O22 (OH)2  
  California Institute of Technology W-5612 
  Kragerø, Norway 
  
           
 
  Actinolite R060045 
  ◻Ca2 (Mg4.5-2.5 Fe2+ 0.5-2.5 )Si8 O22 (OH)2  
  University of Arizona Mineral Museum 13272 
  Colorado, USA 
  
           
 
  Actinolite R060041 
  ◻Ca2 (Mg4.5-2.5 Fe2+ 0.5-2.5 )Si8 O22 (OH)2  
  University of Arizona Mineral Museum 4212 
  Prince of Wales Island, Alaska, USA 
  
           
 
  Actinolite R120010 
  ◻Ca2 (Mg4.5-2.5 Fe2+ 0.5-2.5 )Si8 O22 (OH)2  
  Donald Doell  
  Quebec Lithium Corporation mine, La Corne, Abitibi RCM, Abitibi-Temiscamingue, Quebec, Canada 
  
           
 
  Adachiite R230014 
  CaFe2+ 3 Al6 (Si5 AlO18 )(BO3 )3 (OH)3 (OH) 
  Boriana Mihailova S43 
  Kiura mine, Oita prefecture, Japan 
  
           
 
  Adamite R040130 
  Zn2 (AsO4 )(OH) 
  Bob Downs  
  Mina Ojuela, Mapimi, Durango, Mexico 
  
           
 
  Adamite R050020 
  Zn2 (AsO4 )(OH) 
  Eugene Schlepp  
  Mina Ojuela, Mapimi, Durango, Mexico 
  
           
 
  Adamite R060593 
  Zn2 (AsO4 )(OH) 
  Michael Scott S100793 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Adamsite-(Y) R070360 
  NaY(CO3 )2 ·6H2 O 
  Michael Scott S103012 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Adanite R190033 
  Pb2 (Te4+ O3 )(SO4 ) 
  John Callahan  
  Tombstone, Cochise County, Arizona, USA 
  
           
 
  Adelite R060687 
  CaMg(AsO4 )(OH) 
  Michael Scott S101296 
  Jakobsberg mine,  Nordmark,  Filipstad,  Varmland,  Sweden 
  
           
 
  Adelite R140962 
  CaMg(AsO4 )(OH) 
  Marcus Origlieri  
  Sterling Hill, Ogdensburg, Franklin Mining District, Sussex County, New Jersey, USA 
  
           
 
  Aegirine R040054 
  NaFe3+ Si2 O6  
  Bob Downs  
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Aegirine R050074 
  NaFe3+ Si2 O6  
  Rock Currier  
  Mt. Malosa, Zomba, Chilwa, Alkaline Area, Malawi 
  
           
 
  Aegirine R061093 
  NaFe3+ Si2 O6  
  Michael Scott S102017 
  Lacotal Breccia, Alto Chapere, Cochabamba, Bolivia 
  
           
 
  Aegirine R070125 
  NaFe3+ Si2 O6  
  Mark Mauthner 3266 
  Ice River Alkaline Complex, Golden, British Columbia, Canada 
  
           
 
  Aegirine R070253 
  NaFe3+ Si2 O6  
  Michael Scott S102622 
  Lovozero Massif, Kola Peninsula, Murmanskaya Oblast'; Northern Region, Russia 
  
           
 
  Aegirine R120144 
  NaFe3+ Si2 O6  
  Ikram Mineralogy  
  Zagi Mountain, Hameed Abad Kafoor Dheri, Peshawar, Khyber Pakhtunkhwa, Pakistan 
  
           
 
  Aegirine R120167 
  NaFe3+ Si2 O6  
  Rock Currier  
  Locotal metaevaporite breccia, Alto Chapare, Cochabamba Dept, Bolivia 
  
           
 
  Aenigmatite R061088 
  Na4 [Fe2+ 10 Ti2 ]O4 [Si12 O36 ] 
  Michael Scott S103019 
  Naujakasik, Greenland 
  
           
 
  Aenigmatite R061089 
  Na4 [Fe2+ 10 Ti2 ]O4 [Si12 O36 ] 
  Michael Scott S103020 
  Eveslogchorr, Khibiny Massif, Kola Peninsula, Russia 
  
           
 
  Aerinite R050610 
  (Ca,Na)6 (Fe3+ ,Fe2+ ,Mg,Al)4 (Al,Mg)6 Si12 O36 (OH)12 (CO3 )·12H2 O 
  University of Arizona Mineral Museum  
  Estopinian, Province of Huesca, Spain 
  
           
 
  Aeschynite-(Y) R060312 
  (Y,Ln,Ca,Th)(Ti,Nb)2 (O,OH)6  
  Herb Obodda 013 
  Hittero, Vest-Agder, Norway 
  
           
 
  Aeschynite-(Y) R080045 
  (Y,Ln,Ca,Th)(Ti,Nb)2 (O,OH)6  
  Herb Obodda  
  Hittero, Vest-Agder, Norway 
  
           
 
  Afghanite R060422 
  (Na,K)22 Ca10 (Si24 Al24 )O96 (SO4 )6 Cl6  
  Herb Obodda 113 
  Kokscha Valley, Badakshan Province, Afghanistan 
  
           
 
  Afghanite R070558 
  (Na,K)22 Ca10 (Si24 Al24 )O96 (SO4 )6 Cl6  
  Farooq Hashmi  
  Badakhshan, Afghanistan 
  
           
 
  Afmite R130082 
  Al3 (OH)4 (H2 O)3 (PO4 )(PO3 OH)·H2 O 
  Anthony R. Kampf and George R. Rossman  
  Fumade (hamlet), Castelnau-de-Brassac (village), Tarn, France 
  
           
 
  Afwillite R070296 
  Ca3 [SiO4 ][SiO2 (OH)2 ]·2H2 O 
  Michael Scott S100454 
  Hatrurim Formation, Negev Desert, West of Dead Sea, southern Israel 
  
           
 
  Afwillite R080022 
  Ca3 [SiO4 ][SiO2 (OH)2 ]·2H2 O 
  Michael Scott S101176 
  Crestmore Quarry, Riverside County, Jurupa Mountains, California, USA 
  
           
 
  Afwillite R141097 
  Ca3 [SiO4 ][SiO2 (OH)2 ]·2H2 O 
  Ch. and H. Schäfer  
  Caspar quarry, Bellerberg volcano, Mayen, Eifel, Germany 
  
           
 
  Agakhanovite-(Y) R230012 
  YCa◻2 KBe3 Si12 O30  
  Frank Hawthorne  
  Heftetjern pegmatite, Tørdal, Southern Norway 
  
           
 
  Agardite-(Y) R060711 
  YCu2+ 6 (AsO4 )3 (OH)6 ·3H2 O 
  Bob Jenkins  
  Brumado, Bahia, Brazil 
  
           
 
  Agardite-(Y) R060924 
  YCu2+ 6 (AsO4 )3 (OH)6 ·3H2 O 
  Bob Jenkins  
  Bou Skour mine, Djebel Sarhro, Morocco 
  
           
 
  Agardite-(Y) R070357 
  YCu2+ 6 (AsO4 )3 (OH)6 ·3H2 O 
  Michael Scott S103028 
  Hayashi, Setoda, Ikuchi Island, Hiroshima Prefecture, Chugoku Region, Honshu Island, Japan 
  
           
 
  Agardite-(Y) R070649 
  YCu2+ 6 (AsO4 )3 (OH)6 ·3H2 O 
  Bob Jenkins  
  Jote West mine, Pampa Larga Mining District, Copiapo, Chile 
  
           
 
  Agrellite R060914 
  NaCa2 Si4 O10 F 
  Royal Ontario Museum M52454 
  Kipawa complex, Quebec, Canada 
  
           
 
  Agrinierite R130139 
  K2 Ca[(UO2 )3 O3 (OH)2 ]2 ·5H2 O 
  Rock Currier  
  Margnac, France 
  
           
 
  Aheylite R070070 
  Fe2+ Al6 (PO4 )4 (OH)8 ·4H2 O 
  Bob Jenkins  
  Huanuni, Bolivia 
  
           
 
  Aheylite R070171 
  Fe2+ Al6 (PO4 )4 (OH)8 ·4H2 O 
  Michael Scott S101593 
  Bali Lo, Ashburton Downs, Western Australia, Australia 
  
           
 
  Ahlfeldite R100210 
  Ni(SeO3 )·2H2 O 
  William W Pinch  
  El Dragon mine, Potosi, Bolivia 
  
           
 
  Ahrensite R230013 
  SiFe2 O4  
  Chi Ma  
  Tissint meteorite, likely from Mars 
  
           
 
  Aikinite R100117 
  CuPbBiS3  
  Robert Woodside  
  British Columbia Molybdenum mine, Kitsault, Alice Arm, British Columbia, Canada 
  
           
 
  Ajoite R060735 
  K3 Cu2+ 20 Al3 Si29 O76 (OH)16 ·8H2 O 
  Bob Jenkins  
  Pinal County, Arizona, USA 
  
           
 
  Ajoite R120018 
  K3 Cu2+ 20 Al3 Si29 O76 (OH)16 ·8H2 O 
  Ron Gibbs  
  New Cornelia mine, Ajo, Arizona, USA 
  
           
 
  Akatoreite R060230 
  Mn2+ 9 Al2 Si8 O24 (OH)8  
  Michael Scott S100146 
  near mouth of Akatore Creek, Taieri, Otago Province, New Zealand 
  
           
 
  Åkermanite R061085 
  Ca2 MgSi2 O7  
  Michael Scott S101598 
  Kovdor, Kola Peninsula, Russia 
  
           
 
  Åkermanite R061100 
  Ca2 MgSi2 O7  
  Michael Scott S101600 
  Lago de Vico, Viterbo, Italy 
  
           
 
  Akrochordite R100028 
  MnMn2 Mn2 (AsO4 )2 (OH)4 (H2 O)4  
  William W. Pinch  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Alabandite R070174 
  MnS 
  Michael Scott S101601 
  Mina Preciosa, Sangue de Cristo, Puebla, Mexico 
  
           
 
  Alacránite R140323 
  As8 S9  
  Renato and Adriana Pagano  
  Solfatara di Pozzuoli, Napoli, Italy 
  
           
 
  Alacránite R150030 
  As8 S9  
  Renato and Adriana Pagano  
  Solfatara di Pozzuoli, Napoli, Italy 
  
           
 
  Alamosite R060067 
  PbSiO3  
  University of Arizona Mineral Museum 16087 
  Alamos, Sonora, Mexico 
  
           
 
  Albite R040068 
  Na(AlSi3 O8 ) 
  University of Arizona Mineral Museum 14023 
  Harding Pegmatite, Dixon, New Mexico, USA 
  
           
 
  Albite R040129 
  Na(AlSi3 O8 ) 
  Bob Downs  
  LaChance Quarry, Brunswick, Cumberland County, Maine, USA 
  
           
 
  Albite X050005 
  Na(AlSi3 O8 ) 
  George R. Rossman GRR-901 
  Blue Lady mine, Chihuahua Valley, San Diego County, California, USA 
  
           
 
  Albite X050006 
  Na(AlSi3 O8 ) 
  George R. Rossman GRR-756 
  Kioo Hills, Kenya 
  
           
 
  Albite X050007 
  Na(AlSi3 O8 ) 
  George R. Rossman GRR-1610 
  New Melones Dam, Calaveras County, California 
  
           
 
  Albite X050008 
  Na(AlSi3 O8 ) 
  George R. Rossman GRR-1609 
  Pederineira mine, San Jose da Safria, Minas Gerais, Brazil 
  
           
 
  Albite X050014 
  Na(AlSi3 O8 ) 
  George R. Rossman GRR-1550 
  Sannidal, Norway 
  
           
 
  Albite X050127 
  Na(AlSi3 O8 ) 
  G.R. Rossman 1085 
  Madagascar 
  
           
 
  Albite R050253 
  Na(AlSi3 O8 ) 
  Marcus Origlieri  
  Madawaska/Faraday mine, Bancroft, Ontario, Canada 
  
           
 
  Albite R050402 
  Na(AlSi3 O8 ) 
  Bob Downs  
  Urbano mine, Golconda District, Brazil 
  
           
 
  Albite R060054 
  Na(AlSi3 O8 ) 
  Marcus Origlieri  
  Mt. Erebus, Antarctica 
  
           
 
  Albite R070268 
  Na(AlSi3 O8 ) 
  Michael Scott S104223 
  Kitty Hawk, North Carolina, USA 
  
           
 
  Albite R100169 
  Na(AlSi3 O8 ) 
  Mineralogical Museum, Harvard University 131705 
  Rutherford#2 Mine, Amelia, Amelia county, Virginia, USA 
  
           
 
  Albite R180031 
  Na(AlSi3 O8 ) 
  Ch. and H. Schäfer  
  Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany 
  
           
 
  Albite R230008 
  Na(AlSi3 O8 ) 
  Allaz Julien  
  Piz Beverin, canton Graubünden, Switzerland 
  
           
 
  Aldermanite R100073 
  [Mg(H2 O)6 ][Na(H2 O)2 Al3 (PO4 )2 (OH)6 ]·H2 O 
  Marcus Origlieri  
  Tom's quarry, Kapunda, South Australia, Australia 
  
           
 
  Aldomarinoite R220034 
  Sr2 Mn3+ (AsO4 )2 (OH) 
  Fernando Cámara  
  Valletta mine, Maira Valley, Piedmont, Italy 
  
           
 
  Aleksite R070011 
  PbBi2 Te2 S2  
  Michael Scott S105102 
  Kochkar gold mine, Cheljabinsk district, southern Urals, Russia 
  
           
 
  Alforsite R070356 
  Ba5 (PO4 )3 Cl 
  Michael Scott S102968 
  Madrelena mine, Tres Pozos, Baja California Norte, Mexico 
  
           
 
  Alfredopetrovite R210014 
  Al2 (Se4+ O3 )3 ·6H2 O 
  Bob Jenkins  
  El Dragon mine, Potosi, Bolivia 
  
           
 
  Allabogdanite R070012 
  (Fe,Ni)2 P 
  Michael Scott S105103 
  Onello meteorite, Bol'shoy Dolguchan River, Onello River Basin, Aldan, Yakutia, Russia 
  
           
 
  Allactite R070175 
  Mn2+ 7 (AsO4 )2 (OH)8  
  Michael Scott S102971 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Allactite R150120 
  Mn2+ 7 (AsO4 )2 (OH)8  
  Steven Kuitems  
  Sterling Mine, 1200' Level, Ogdensburg, New Jersey, USA 
  
           
 
  Allanite-(Ce) R050043 
  CaCe(Al2 Fe2+ )[Si2 O7 ][SiO4 ]O(OH) 
  University of Arizona Mineral Museum 4499 
  Arendal, Norway 
  
           
 
  Allanite-(Ce) R060418 
  CaCe(Al2 Fe2+ )[Si2 O7 ][SiO4 ]O(OH) 
  John Weber  
  Aquarius Range, Mohave County, Arizona, USA 
  
           
 
  Allanite-(Ce) R080044 
  CaCe(Al2 Fe2+ )[Si2 O7 ][SiO4 ]O(OH) 
  John Weber  
  Aquarius Range, Mohave County, Arizona, USA 
  
           
 
  Allanite-(Ce) R080092 
  CaCe(Al2 Fe2+ )[Si2 O7 ][SiO4 ]O(OH) 
  University of Arizona Mineral Museum 4499 
  Arendal, Norway 
  
           
 
  Allanite-(La) R070246 
  CaLa(Al2 Fe2+ )[Si2 O7 ][SiO4 ]O(OH) 
  Michael Scott S102978 
  Nueva Vizcaya Mine, Burguillos del Cerro, Badajoz, Extremadura, Spain 
  
           
 
  Allanpringite R080147 
  Fe3+ 3 (PO4 )2 (OH)3 ·5H2 O 
  Steffan Jahn  
  Mark mine, Essershausen, Weilburg, Wetzlar, Hesse, Germany 
  
           
 
  Alleghanyite R060904 
  Mn2+ 5 (SiO4 )2 (OH)2  
  Michael Scott S100995 
  Near Bald Knob, Alleghany County, North Carolina, USA 
  
           
 
  Alleghanyite R070378 
  Mn2+ 5 (SiO4 )2 (OH)2  
  William W. Pinch  
  Franklin, Sussex County, New Jersey, USA 
  
           
 
  Alloclasite R110002 
  CoAsS 
  Marcus Origlieri  
  Bou Azzer, Morocco 
  
           
 
  Allophane R070188 
  Al2 O3 (SiO2 )1.3-2.0 ·2.5-3.0H2 O 
  Michael Scott S102984 
  Old Gold Hill mine, Tooele County, Utah 
  
           
 
  Allophane R120001 
  Al2 O3 (SiO2 )1.3-2.0 ·2.5-3.0H2 O 
  Robert Jenkins  
  Juanita mine, Kelly, New Mexico, USA 
  
           
 
  Alloriite R070560 
  (Na,K,Ca)24 (Na,Ca)4 Ca4 (Si,Al)48 O96 (SO4 )4 (SO3 ,CO3 )2 (OH,Cl)2 (H2 O,OH)4  
  Michael Scott S1001435 
  Monte Cavalluccio, near Campagnano di Roma, Rome, Latium, Italy 
  
           
 
  Alluaudite R160080 
  ◻NaMnFe3+ 2 (PO4 )3  
  Rock Currier  
  Buranga pegmatite, Gatumba District, Western Province, Rwanda 
  
           
 
  Alluaudite R160081 
  ◻NaMnFe3+ 2 (PO4 )3  
  Rock Currier  
  Green Monster mine, Trimble, South Dakota, USA 
  
           
 
  Alluaudite R160082 
  ◻NaMnFe3+ 2 (PO4 )3  
  Rock Currier  
  Custer, South Dakota, USA 
  
           
 
  Alluaudite R140711 
  ◻NaMnFe3+ 2 (PO4 )3  
  Rock Currier  
  Dyke Lode, Custer, Custer District, Custer County, South Dakota, USA 
  
           
 
  Alluaudite R141067 
  ◻NaMnFe3+ 2 (PO4 )3  
  Rob Lavinsky  
  Pleasant Valley pegmatite, Fourmile, Custer District, Custer County, South Dakota, USA 
  
           
 
  Almandine R040076 
  Fe2+ 3 Al2 (SiO4 )3  
  University of Arizona Mineral Museum 7976 
  Barton Garnet mine, Gore Mountain, Warren County, New York, USA 
  
           
 
  Almandine R040079 
  Fe2+ 3 Al2 (SiO4 )3  
  University of Arizona Mineral Museum 13736 
  Ontario, Canada 
  
           
 
  Almandine R040168 
  Fe2+ 3 Al2 (SiO4 )3  
  University of Arizona Mineral Museum 16323 
  Pocos Dos Cavatos, Ceara, Brazil 
  
           
 
  Almandine R050029 
  Fe2+ 3 Al2 (SiO4 )3  
  University of Arizona Mineral Museum 4307 
  Barton Garnet mine, Gore Mountain, Warren County, New York, USA 
  
           
 
  Almandine X050009 
  Fe2+ 3 Al2 (SiO4 )3  
  George R. Rossman GRR-943 
  Riverside County, California, USA 
  
           
 
  Almandine X050010 
  Fe2+ 3 Al2 (SiO4 )3  
  George R. Rossman GRR-1056 
  Wrangel, Alaska, USA 
  
           
 
  Almandine X050011 
  Fe2+ 3 Al2 (SiO4 )3  
  George R. Rossman GRR-43 
  Rutherford #2 mine, Amelia, Virginia, USA 
  
           
 
  Almandine R060099 
  Fe2+ 3 Al2 (SiO4 )3  
  Roland Boehne  
  Alaska, USA 
  
           
 
  Almandine R060450 
  Fe2+ 3 Al2 (SiO4 )3  
  Gemological Institute of America 16606 
  Canada 
  
           
 
  Almandine R070129 
  Fe2+ 3 Al2 (SiO4 )3  
  Michael Scott S100422 
  Wrangell, Wrangell Island, Wrangell-Petersburg Borough, Alaska, USA 
  
           
 
  Almandine R100046 
  Fe2+ 3 Al2 (SiO4 )3  
  William W Pinch  
  Altai, Xinjiang Province, China 
  
           
 
  Almandine R120145 
  Fe2+ 3 Al2 (SiO4 )3  
  Ikram Mineralogy  
  Zagi Mountain, Hameed Abad Kafoor Dheri, Peshawar, Khyber Pakhtunkhwa, Pakistan 
  
           
 
  Almandine R120152 
  Fe2+ 3 Al2 (SiO4 )3  
  Eric Van Valkenburg  
  The garnet schist, Roxbury, Litchfield County, Connecticut, USA 
  
           
 
  Almandine R190023 
  Fe2+ 3 Al2 (SiO4 )3  
  Robert Downs  
  Bella Vista mine, Mitkof Island, Alexander Archipelago, Alaska, USA 
  
           
 
  Alpha-D lactose monohydrate D120008 
  David Blake  
  Synthetic from Aldrich 
  
           
 
  AlSO4(OH) R141118 
  Alan J. Anderson  
  Only one crystal was synthesized hydrothermally at 700°C and ~1.0 GPa. 
  
           
 
  Alstonite R050483 
  BaCa(CO3 )2  
  California Institute of Technology 7890 
  Minerva #1 mine, Cave-in-Rock, Hardin County, Illinois, USA 
  
           
 
  Alstonite R090049 
  BaCa(CO3 )2  
  Bob Jenkins  
  Admiralty flats, Haggs mine, Nentsberry, Cumbria, England 
  
           
 
  Altaite R060939 
  PbTe 
  Michael Scott S100891 
  870 Level, Mattagami mine, Matagami, Quebec, Canada 
  
           
 
  Alterite R180005 
  Zn2 Fe3+ 4 (SO4 )4 (C2 O4 )2 (OH)4 ·17H2 O 
  Malcom Alter  
  Near Marble Canyon, Coconino County, Arizona, USA 
  
           
 
  Althausite R070113 
  Mg4 (PO4 )2 (OH,O)(F,◻) 
  Bob Jenkins  
  Tingelstadtjern, Modum, Norway 
  
           
 
  Alum-(K) R040134 
  KAl(SO4 )2 ·12H2 O 
  University of Arizona Mineral Museum 9391 
  Alunite mine, Esmeralda County, Nevada, USA 
  
           
 
  Alum-(K) R060014 
  KAl(SO4 )2 ·12H2 O 
  American Museum of Natural History 16802 
  Tolfa, Italy 
  
           
 
  Alum-(K) R060528 
  KAl(SO4 )2 ·12H2 O 
  Michael Scott S100782 
  El Desierto mine fumaroles, Potosí, Bolivia 
  
           
 
  Alum-(Na) R110204 
  NaAl(SO4 )2 ·12H2 O 
  Gordon W Downs  
  Flux mine, near Patagonia, Arizona 
  
           
 
  Aluminite R060691 
  Al2 (SO4 )(OH)4 ·7H2 O 
  Michael Scott S101225 
  Newhaven, East Sussex, England, United Kingdom 
  
           
 
  Aluminium R070230 
  Al 
  Michael Scott S103000 
  Mud Volcano, Bulla Apsheren penninsula, Caspian Sea, Qobustan (Gobustan; Kobustan) Rayonu, Azerbaijan 
  
           
 
  Alumohydrocalcite R061067 
  CaAl2 (CO3 )2 (OH)4 ·4H2 O 
  Michael Scott S100395 
  Lubom'ra, Czech Republic 
  
           
 
  Alumohydrocalcite R070516 
  CaAl2 (CO3 )2 (OH)4 ·4H2 O 
  James Shigley  
  Mount Hamiliton, Santa Clara County, California, USA 
  
           
 
  Alumoklyuchevskite R070041 
  K3 Cu2+ 3 AlO2 (SO4 )4  
  Michael Scott S105109 
  main fracture, N breakthrough, Tolbachik Volcano, Kamchatka Peninsula, Russia 
  
           
 
  Alunite R060430 
  KAl3 (SO4 )2 (OH)6  
  Michael Scott S100144 
  Wendy Pit, El Indio Gold mine, Tambo, Coquimbo District, Chile 
  
           
 
  Alunite R070448 
  KAl3 (SO4 )2 (OH)6  
  Bob Jenkins  
  Veta del Medio, Inca del Oro, Chile 
  
           
 
  Alunogen R060015 
  Al2 (SO4 )3 (H2 O)12 ·5H2 O 
  American Museum of Natural History 16646 
  Saxony, Germany 
  
           
 
  Alunogen R070601 
  Al2 (SO4 )3 (H2 O)12 ·5H2 O 
  James Shigley  
  Alum Grotto, Vulcano Island, Aeolian Islands, Messina, Sicily, Italy 
  
           
 
  Amarantite R050153 
  Fe3+ 2 O(SO4 )2 ·7H2 O 
  Jim McGlasson  
  Paposo, Antofagasta, Chile 
  
           
 
  Amber R060569 
  Michael Scott S100337 
  Baltic Sea Region, Poland 
  
           
 
  Amblygonite R040006 
  LiAl(PO4 )F 
  University of Arizona Mineral Museum 4801 
  Pala, San Diego County, California, USA 
  
           
 
  Amblygonite R040067 
  LiAl(PO4 )F 
  University of Arizona Mineral Museum 4802 
  Montebras, France 
  
           
 
  Amblygonite X050012 
  LiAl(PO4 )F 
  RD Shannon 56163- 54 
  Minas Gerais, Brazil 
  
           
 
  Ameghinite R060643 
  NaB3 O3 (OH)4  
  Michael Scott S100815 
  Tinkalayu mine, Salar del Hombre Muerto, Salta province, Argentina 
  
           
 
  Amesite R070132 
  Mg2 Al(AlSiO5 )(OH)4  
  Michael Scott S100414 
  Saranovskii mine, Saranovskaya Village, Gornozavodskii area, Permskaya Oblast', Middle Urals, Russia 
  
           
 
  Amesite R070116 
  Mg2 Al(AlSiO5 )(OH)4  
  Michael Scott S100416 
  Saranovskii Mine (Saranovskoye), Saranovskaya (Sarany; Saranje) Village, Gorozavod area, Permskaya Oblast', Urais Region, Russia 
  
           
 
  Amicite R080066 
  K2 Na2 (Al4 Si4 O16 )·5H2 O 
  Michael Scott S100673 
  Kirovski Drive, Khibiny, Kola Peninsula, Russia 
  
           
 
  Aminoffite R100055 
  Ca3 (BeOH)2 Si3 O10  
  William W Pinch  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Ammineite R120154 
  CuCl2 ·2NH3  
  Ron Gibbs  
  Rowley mine, Maricopa County, Arizona, USA 
  
           
 
  Ammineite R120155 
  CuCl2 ·2NH3  
  Marcus Origlieri  
  Caleta Pabellon de Pica, Punta Colina, Iquique, I Region, Chile 
  
           
 
  Ammonioalunite R060873 
  (NH4 )Al3 (SO4 )2 (OH)6  
  Michael Scott S101298 
  Schöller mine, Kladno, Central Bohemia Region, Bohemia, Czech Republic 
  
           
 
  Ammoniojarosite R060408 
  (NH4 )Fe3+ 3 (SO4 )2 (OH)6  
  American Museum of Natural History 31246 
  Wamsutter, Sweetwater County, Wyoming, USA 
  
           
 
  Ammonioleucite R060104 
  (NH4 )(AlSi2 O6 ) 
  University of Arizona Mineral Museum 16277 
  Tatarazawa Quarry, Fujioka Gunma Prefecture, Hunho Island, Japan 
  
           
 
  Ammoniomagnesiovoltaite R130079 
  (NH4 )2 Mg5 Fe3+ 3 Al(SO4 )12 ·18H2 O 
  Sándor Szakall  
  Pécs-Vasas, Mecsek Mountains, South Hungary 
  
           
 
  Ammoniomathesiusite R200003 
  (NH4 )5 (UO2 )4 (SO4 )4 (VO5 )·4H2 O 
  Travis Olds  
  Burro mine, Slick Rock, Colorado, USA 
  
           
 
  Amphibole R110203 
  Donald Doell  
  Bear Lake diggings, Tory Hill, Monmounth Township, Haliburton Co., Ontario, Canada 
  
           
 
  Analcime R040128 
  Na(AlSi2 O6 )·H2 O 
  Bob Downs  
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Analcime R050094 
  Na(AlSi2 O6 )·H2 O 
  Rock Currier  
  Springfield, Oregon, USA 
  
           
 
  Analcime R060023 
  Na(AlSi2 O6 )·H2 O 
  Bob Downs  
  Dallas, Oregon, USA 
  
           
 
  Analcime R120095 
  Na(AlSi2 O6 )·H2 O 
  Robert Lavinsky  
  Daye area, Hubei, China 
  
           
 
  Anapaite R050510 
  Ca2 Fe2+ (PO4 )2 ·4H2 O 
  University of Arizona Mineral Museum 1437 
  Prats-Sampsor, Spain 
  
           
 
  Anapaite R141081 
  Ca2 Fe2+ (PO4 )2 ·4H2 O 
  Rock Currier  
  Messel mine, Messel, Darmstadt, Hesse, Germany 
  
           
 
  Anatase R060277 
  TiO2  
  Herb Obodda 064 
  Taftan, near Dalbandi, Baluchistan Province, Pakistan 
  
           
 
  Anatase R070582 
  TiO2  
  James Shigley  
  Asker, Akershus, Norway 
  
           
 
  Anatase R120013 
  TiO2  
  Donald Doell  
  Governor's Lake pegmatite, Halifax County, Nova Scotia, Canada 
  
           
 
  Anatase R120064 
  TiO2  
  Donald Doell  
  East Kemptville Tin mine, East Kemptville, Argyle, Yarmouoth Co., Nova Scotia, Canada 
  
           
 
  Ancylite-(Ce) R060218 
  CeSr(CO3 )2 (OH)·H2 O 
  Royal Ontario Museum M40089 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Andalusite R050258 
  Al2 SiO5  
  Marcus Origlieri  
  Bautista Canyon, near Hemet, Riverside County, California, USA 
  
           
 
  Andalusite R050449 
  Al2 SiO5  
  Marcus Origlieri  
  Itinga, Minas Gerais, Brazil 
  
           
 
  Andalusite R050561 
  Al2 SiO5  
  Dave Bunk Minerals  
  Cargo Muchacho Mountain, Imperial County, California 
  
           
 
  Andalusite R050626 
  Al2 SiO5  
  Gemological Center  
  Minas Gerais, Brazil 
  
           
 
  Andalusite R060197 
  Al2 SiO5  
  Marcus Origlieri  
  Brazil 
  
           
 
  Andalusite R060212 
  Al2 SiO5  
  Marcus Origlieri  
  Brazil 
  
           
 
  Andersonite R080133 
  Na2 Ca(UO2 )(CO3 )3 ·5-6H2 O 
  James Shigley  
  Monte Cristo mine, Cane Springs Canyon, near Moab, Grand County, Utah, USA 
  
           
 
  Andesine X050013 
  (Na,Ca)(Si,Al)4 O8  
  George R. Rossman GRR-1604 
  Cima Volcanics, San Bernardino County, California, USA 
  
           
 
  Andradite R040001 
  Ca3 Fe3+ 2 (SiO4 )3  
  University of Arizona Mineral Museum 12923 
  Stanley Butte, Graham County, Arizona, USA 
  
           
 
  Andradite X050015 
  Ca3 Fe3+ 2 (SiO4 )3  
  RD Shannon 56163- 138 
  Val Malenco, Italy 
  
           
 
  Andradite R050256 
  Ca3 Fe3+ 2 (SiO4 )3  
  Marcus Origlieri  
  Franklin, Sussex County, New Jersey, USA 
  
           
 
  Andradite R050311 
  Ca3 Fe3+ 2 (SiO4 )3  
  Eugene Schlepp  
  Calaveras County, California, USA 
  
           
 
  Andradite R050377 
  Ca3 Fe3+ 2 (SiO4 )3  
  University of Arizona Mineral Museum 2983 
  Zlatoust District, South Urals, Russia 
  
           
 
  Andradite R060358 
  Ca3 Fe3+ 2 (SiO4 )3  
  Herb Obodda 010 
  Soghan, near Jiroft, Kerman, Iran 
  
           
 
  Andradite R060350 
  Ca3 Fe3+ 2 (SiO4 )3  
  Michael Scott S100023 
  south of the Gem mine, southern San Benito County, California, USA 
  
           
 
  Andradite R060326 
  Ca3 Fe3+ 2 (SiO4 )3  
  Marcus Origlieri  
  Ultevis, Sweden 
  
           
 
  Andradite R060423 
  Ca3 Fe3+ 2 (SiO4 )3  
  Greg Schmidt  
  Mali 
  
           
 
  Andradite R060449 
  Ca3 Fe3+ 2 (SiO4 )3  
  Gemological Institute of America 31344 
  Namibia 
  
           
 
  Andradite R070722 
  Ca3 Fe3+ 2 (SiO4 )3  
  Royal Ontario Museum M42909 
  Otjosondu, Namibia 
  
           
 
  Andradite R100049 
  Ca3 Fe3+ 2 (SiO4 )3  
  William W Pinch  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Andradite R100138 
  Ca3 Fe3+ 2 (SiO4 )3  
  William W. Pinch  
  Madagascar 
  
           
 
  Andradite R120004 
  Ca3 Fe3+ 2 (SiO4 )3  
  Jack Lowell  
  Chifeng, Inner Mongolia 
  
           
 
  Anglesite R040004 
  Pb(SO4 ) 
  University of Arizona Mineral Museum 7726 
  Erupcion mine, Los Lamentos, Chihuahua, Mexico 
  
           
 
  Anglesite R050052 
  Pb(SO4 ) 
  Eugene Schlepp  
  Touissite, Oujela, Morocco 
  
           
 
  Anglesite R050408 
  Pb(SO4 ) 
  California Institute of Technology W-13 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Anhydrite R040012 
  Ca(SO4 ) 
  University of Arizona Mineral Museum 7792 
  Moundhouse, Nevada, USA 
  
           
 
  Anhydrite R040061 
  Ca(SO4 ) 
  University of Arizona Mineral Museum 6088 
  Chester County, Pennsylvania, USA 
  
           
 
  Anhydrite X050017 
  Ca(SO4 ) 
  Caltech  
  Yerington, Nevada, USA 
  
           
 
  Anhydrite R061102 
  Ca(SO4 ) 
  Michael Scott S103078 
  Taft, Kern County, California 
  
           
 
  Anilite R060514 
  Cu7 S4  
  Michael Scott S100193 
  Villamanin, Carmenes District, Leon Province, Spain 
  
           
 
  Anilite R060688 
  Cu7 S4  
  Michael Scott S101294 
  Horai Halze bei Medenec, Erzgebirge, Czech Republic 
  
           
 
  Ankerite R050181 
  Ca(Fe2+ ,Mg)(CO3 )2  
  Marcus Origlieri  
  Cerro Sapo, Cochabamba Department, Bolivia 
  
           
 
  Ankerite R050197 
  Ca(Fe2+ ,Mg)(CO3 )2  
  Marcus Origlieri  
  Brownley Hill mine, Nenthead, Cumbria, England 
  
           
 
  Ankerite X050018 
  Ca(Fe2+ ,Mg)(CO3 )2  
  American Museum of Natural History 8059 
  Erzberg, Austria 
  
           
 
  Ankerite X050019 
  Ca(Fe2+ ,Mg)(CO3 )2  
  American Museum of Natural History 6376 
  Goldbrath, Austria 
  
           
 
  Ankinovichite R060671 
  NiAl4 (V5+ O3 )2 (OH)12 ·2H2 O 
  Michael Scott S100964 
  Kara-Chagyr Mountain, Fergana, Fergana Valley, Osh Oblast, Kyrgyzstan 
  
           
 
  Annabergite R050462 
  Ni3 (AsO4 )2 ·8H2 O 
  University of Arizona Mineral Museum 2447 
  Plaka mine, Laurium, Attica, Greece 
  
           
 
  Annabergite R060564 
  Ni3 (AsO4 )2 ·8H2 O 
  Michael Scott S100290 
  Candelaria mine, Mineral County, Nevada, USA 
  
           
 
  Annite R060204 
  KFe2+ 3 (AlSi3 O10 )(OH)2  
  Royal Ontario Museum M29662 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Annite R060211 
  KFe2+ 3 (AlSi3 O10 )(OH)2  
  Royal Ontario Museum M51392 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Anorpiment R110016 
  As2 S3  
  Bob Jenkins  
  Palomo mine, Huancavelica Department, Peru 
  
           
 
  Anorthite R040059 
  Ca(Al2 Si2 O8 ) 
  University of Arizona Mineral Museum 4079 
  Miyakejima, Japan 
  
           
 
  Anorthite R050104 
  Ca(Al2 Si2 O8 ) 
  Rock Currier  
  unknown 
  
           
 
  Anorthite X050020 
  Ca(Al2 Si2 O8 ) 
  G.R. Rossman 1597 
  West side, Great Sitkin Island, Aleutian Islands, Alaska 
  
           
 
  Anorthite X050021 
  Ca(Al2 Si2 O8 ) 
  G.R. Rossman 1612 
  Miyakejima, Japan 
  
           
 
  Anorthite R060082 
  Ca(Al2 Si2 O8 ) 
  University of Arizona Mineral Museum 15620 
  Pinacate Mountains, Sonora, Mexico 
  
           
 
  Anorthite R060193 
  Ca(Al2 Si2 O8 ) 
  Bill Barker  
  Mexico 
  
           
 
  Anorthite R060221 
  Ca(Al2 Si2 O8 ) 
  Rock Currier  
  Pinacate lavafield, Sonora, Mexico 
  
           
 
  Anorthite R060275 
  Ca(Al2 Si2 O8 ) 
  Herb Obodda 087 
  Madagascar 
  
           
 
  Anorthite R070510 
  Ca(Al2 Si2 O8 ) 
  James Shigley  
  Larvik, Vestfold, Norway 
  
           
 
  Anorthite R070598 
  Ca(Al2 Si2 O8 ) 
  James Shigley  
  Eyscott Hill, Keswick, Cumberland, England 
  
           
 
  Anorthite R100170 
  Ca(Al2 Si2 O8 ) 
  Mineralogical Museum, Harvard University 135998 
  La Elenda mine, near Nuevo Casas Grandes, Municipio de Nuevo Casas Grandes, Chihuahua, Mexico 
  
           
 
  Anorthite R130296 
  Ca(Al2 Si2 O8 ) 
  Rock Currier  
  Crystal Bay, Minnesota, USA 
  
           
 
  Anorthite R190029 
  Ca(Al2 Si2 O8 ) 
  Mariah Leslie  
  San Louis Obispo Co., California, USA 
  
           
 
  Anorthoroselite R150065 
  Ca2 Co(AsO4 )2 ·2H2 O 
  Bob Jenkins  
  Bou Azzer, Morocco 
  
           
 
  Anthoinite R070025 
  AlWO3 (OH)3  
  Michael Scott S101286 
  Kyakabingu, Bumbogo, Rwanda 
  
           
 
  Anthophyllite X050022 
  ◻Mg2 Mg5 Si8 O22 (OH)2  
  Caltech 22362 
  Winchester, Riverside County, California, USA 
  
           
 
  Anthophyllite R070245 
  ◻Mg2 Mg5 Si8 O22 (OH)2  
  Michael Scott S105774 
  Shartash, Zlatoust, Ilmen Mts, Chelyabinsk Oblast', Urals Region, Russia 
  
           
 
  Anthraxolite R060634 
  Gemological Institute of America 01 
  China 
  
           
 
  Antigorite R070228 
  Mg3 Si2 O5 (OH)4  
  Michael Scott S100701 
  Wood's Chrome Mine (Wood's Mine), Texas, Lancaster County, Pennsylvania, USA 
  
           
 
  Antimony R050654 
  Sb 
  University of Arizona Mineral Museum 3170 
  Sarawak, Borneo 
  
           
 
  Antimony R070318 
  Sb 
  James Shigley  
  Arechuybo, Chihuahua, Mexico 
  
           
 
  Antipinite R160005 
  KNa3 Cu2 (C2 O4 )4  
  Danielle Sotomayor and Keith Wentz  
  Rowley mine, Maricopa County, Arizona, USA 
  
           
 
  Antlerite R050212 
  Cu2+ 3 (SO4 )(OH)4  
  John Dagenais  
  Chuquicamata mine, Calama, Antofagasta Province, Chile 
  
           
 
  Antlerite R110045 
  Cu2+ 3 (SO4 )(OH)4  
  Bob Downs, collected March 2011  
  Childs Aldwinkle mine, Bunker Hill District, Copper Creek, Pinal County, Arizona, USA 
  
           
 
  Apachite R060694 
  Cu2+ 9 Si10 O29 ·11H2 O 
  Bob Jenkins  
  Christmas mine, Gila County, Arizona, USA 
  
           
 
  Aphthitalite R050651 
  K3 Na(SO4 )2  
  University of Arizona Mineral Museum 13723 
  Searles Lake, Trona, San Bernardino County, California, USA 
  
           
 
  Apjohnite R060231 
  Mn2+ Al2 (SO4 )4 ·22H2 O 
  Michael Scott S100270 
  Val d'Adige, Bolzano, Italy 
  
           
 
  Apuanite R060674 
  (Fe2+ Fe3+ 2 )(Fe3+ 2 Sb3+ 4 )O12 S 
  Michael Scott S101123 
  Buca della Vena mine, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy 
  
           
 
  Aqualite R070413 
  (H3 O)8 (Na,K,Sr)5 Ca6 Zr3 Si26 O66 (OH)9 Cl 
  Michael Scott S105760 
  Kovdor Phlogopite mine (Mica mine; Slyuda mine; Kovdorslyuda Shaft), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Aragonite R040078 
  Ca(CO3 ) 
  University of Arizona Mineral Museum 3887 
  Molina, Aragon, Spain 
  
           
 
  Aragonite X050023 
  Ca(CO3 ) 
  Caltech  
  Spain 
  
           
 
  Aragonite R060195 
  Ca(CO3 ) 
  Marcus Origlieri  
  Cicov Hill, Horenec, Czech Republic 
  
           
 
  Aragonite R080142 
  Ca(CO3 ) 
  Renato and Adriana Pagano  
  Miniere di Brosso, Ivrea, Torino, Italy 
  
           
 
  Aragonite R150021 
  Ca(CO3 ) 
  Canan D'Avela  
  Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain 
  
           
 
  Arakiite R060812 
  ZnMn2+ 12 Fe3+ 2 (As3+ O3 )(As5+ O4 )2 (OH)23  
  Michael Scott S101159 
  Nordmark, Sweden 
  
           
 
  Arakiite R070172 
  ZnMn2+ 12 Fe3+ 2 (As3+ O3 )(As5+ O4 )2 (OH)23  
  Michael Scott S100741 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Aramayoite R061071 
  Ag3 Sb2 (Bi,Sb)S6  
  Michael Scott S101420 
  Animas mine, Potosi, Bolivia 
  
           
 
  Arapovite R060672 
  (K1-x ◻x )(Ca,Na)2 U4+ Si8 O20  [x ≈ 0.5] 
  Michael Scott S100969 
  Dara-i-Pioz Glacier, Hait, Alayskiy (Alai) Range, Tien Shan Mountains, Tajikistan 
  
           
 
  Aravaipaite R100004 
  Pb3 AlF9 ·H2 O 
  William W. Pinch  
  Grand Reef mine, Klondyke, Aravaipa District, Graham County, Arizona, USA 
  
           
 
  Aravaipaite R100032 
  Pb3 AlF9 ·H2 O 
  William W. Pinch  
  Grand Reef mine, Klondyke, Aravaipa District, Graham County, Arizona, USA 
  
           
 
  Ardealite R060233 
  Ca2 (PO3 OH)(SO4 )·4H2 O 
  Michael Scott S100314 
  Moorba Cave, Jurien Bay, Western Australia, Australia 
  
           
 
  Ardennite-(As) R060669 
  Mn2+ 4 Al4 (AlMg)(AsO4 )(SiO4 )2 (Si3 O10 )(OH)6  
  Michael Scott S100888 
  Ardennes, Salm Chateau, Belgium 
  
           
 
  Arfvedsonite R040127 
  NaNa2 (Fe2+ 4 Fe3+ )Si8 O22 (OH)2  
  Bob Downs  
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Arfvedsonite R050514 
  NaNa2 (Fe2+ 4 Fe3+ )Si8 O22 (OH)2  
  Frank Hawthorne  
  unknown 
  
           
 
  Arfvedsonite R110049 
  NaNa2 (Fe2+ 4 Fe3+ )Si8 O22 (OH)2  
  Donald M Doell  
  Mount Malosa, Zomba District, Malawi 
  
           
 
  Argandite R130044 
  Mn7 (VO4 )2 (OH)8  
  Joel Brugger  
  Pipji glacier (Pipjigletscher) in the Turtmann valley, Central Alps, Switzerland 
  
           
 
  Argentobaumhauerite R070167 
  Ag1.5 Pb22 As33.5 S72  
  Michael Scott S103086 
  Cerro de Pasco, Alcides Carrión Province, Pasco department, Peru 
  
           
 
  Argentojarosite R060097 
  AgFe3+ 3 (SO4 )2 (OH)6  
  University of Arizona Mineral Museum 5015 
  unknown 
  
           
 
  Argentojarosite R060098 
  AgFe3+ 3 (SO4 )2 (OH)6  
  University of Arizona Mineral Museum 2595 
  Tintic Standard mine, Dividend, Utah, USA 
  
           
 
  Argentopyrite R070173 
  AgFe2 S3  
  Michael Scott S100757 
  St. Joachimsthal, Bohemia, Czech Republic 
  
           
 
  Argentopyrite R090026 
  AgFe2 S3  
  Mark N. Feinglos  
  Schaft 209, Aue, Niederschlema, Erzgebirge, Saxony, Germany 
  
           
 
  Argentopyrite R090027 
  AgFe2 S3  
  Mark N. Feinglos  
  Jáchymov, Ostrov, Krušné Hory Mts, Karlovy Vary Region, Bohemia, Czech Republic 
  
           
 
  Argesite R130008 
  (NH4 )7 Bi3 Cl16  
  Francesco Demartin  
  La Fossa crater, Vulcano, Aeolian Islands, Sicily, Italy 
  
           
 
  Argyrodite R050437 
  Ag8 GeS6  
  University of Arizona Mineral Museum 1540 
  Himmelsfurst mine, Freiberg, Saxony, Germany 
  
           
 
  Arhbarite R060730 
  Cu2 Mg(AsO4 )(OH)3  
  Bob Jenkins  
  Guanaco, Chile 
  
           
 
  Arisite-(La) R120051 
  NaLa2 (CO3 )2 [F2x (CO3 )1-x ]F 
  William W. Pinch  
  Aris quarry, near Windhoek, Namibia 
  
           
 
  Armalcolite R070260 
  (Mg,Fe2+ )Ti2 O5  
  Michael Scott S100770 
  Chelyabinsk Oblast', Urals Region, Russia 
  
           
 
  Armalcolite R110187 
  (Mg,Fe2+ )Ti2 O5  
  Hexiong Yang  
  Synthetic 
  
           
 
  Armalcolite R110188 
  (Mg,Fe2+ )Ti2 O5  
  Hexiong Yang  
  Synthetic 
  
           
 
  Armangite R100041 
  Mn2+ 26 [As3+ 6 (OH)4 O14 ][As3+ 6 O18 ]2 (CO3 ) 
  William W. Pinch  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Armangite R100054 
  Mn2+ 26 [As3+ 6 (OH)4 O14 ][As3+ 6 O18 ]2 (CO3 ) 
  William W Pinch  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Arrojadite-(BaNa) R160077 
  BaNa3 (NaCa)Fe2+ 13 Al(PO4 )11 (PO3 OH)(OH)2  
  James Shigley  
  Victory mine, near Custer, Custer County, South Dakota, USA 
  
           
 
  Arrojadite-(KFe) R070319 
  (KNa)Fe2+ (CaNa2 )Fe2+ 13 Al(PO4 )11 (PO3 OH)(OH)2  
  James Shigley  
  Nickel Plate mine, Keystone District, Pennington County, South Dakota, USA 
  
           
 
  Arrojadite-(KNa) R050107 
  KNa3 (CaNa2 )Fe2+ 13 Al(PO4 )11 (PO3 OH)(OH)2  
  Rock Currier  
  Big-Fish River, Yukon Territory, Canada 
  
           
 
  Arrojadite-(NaFe) R070298 
  Mark Mauthner 2977 
  Boundary Creek, Richardson Mountains, Dawson mining district, Yukon Territory, Canada 
  
           
 
  Arsenbrackebuschite R100184 
  Pb2 (Fe3+ ,Zn)(AsO4 )2 (OH,H2 O) 
  Marcus Origlieri  
  Mina Ojuela (Campo Sur), Mapimi, Durango, Mexico 
  
           
 
  Arsendescloizite R060947 
  PbZn(AsO4 )(OH) 
  Bob Jenkins  
  Ojuela mine, Mapimi, Durango, Mexico 
  
           
 
  Arsendescloizite R140430 
  PbZn(AsO4 )(OH) 
  University of Arizona Mineral Museum 17511  
  Tsumeb, Namibia 
  
           
 
  Arsenic R050653 
  As 
  University of Arizona Mineral Museum 1237 
  Japan 
  
           
 
  Arseniopleite R070144 
  NaCaMnMn2 (AsO4 )3  
  Michael Scott S100755 
  Sjögruvan mine, Grythyttan, Västmanland, Sweden 
  
           
 
  Arseniopleite R070166 
  NaCaMnMn2 (AsO4 )3  
  Michael Scott S104846 
  Varenche Mine, Saint-Barthélemy, Nus, Aosta Valley, Italy 
  
           
 
  Arseniosiderite R150062 
  Ca2 Fe3+ 3 O2 (AsO4 )3 ·3H2 O 
  Michael Scott S104843 
  Benjamin Hill, Sonora, Mexico 
  
           
 
  Arseniosiderite R150061 
  Ca2 Fe3+ 3 O2 (AsO4 )3 ·3H2 O 
  Bob Jenkins  
  Las Animas mine, La Mur, Sonora, Mexico 
  
           
 
  Arsenogorceixite R060686 
  BaAl3 (AsO4 )(AsO3 OH)(OH)6  
  Michael Scott S101271 
  Clara mine, Rankach Valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany 
  
           
 
  Arsenohauchecornite R070347 
  Ni18 Bi3 AsS16  
  Michael Scott S104840 
  Vermilion Mine, Denison Township, Sudbury District, Ontario, Canada 
  
           
 
  Arsenolamprite R060680 
  As 
  Michael Scott S101370 
  Copiapo, Atacama, Chile 
  
           
 
  Arsenolite R050383 
  As2 O3  
  University of Arizona Mineral Museum 3603 
  Eureka, Nevada, USA 
  
           
 
  Arsenolite R080095 
  As2 O3  
  University of Arizona Mineral Museum 16128 
  Jáchymov, Erzgebirge Region, Czech Republic 
  
           
 
  Arsenopyrite R050071 
  FeAsS 
  Rock Currier  
  Yaogangxian mine, Yizhang County, Hunan Province, China 
  
           
 
  Arsenopyrite R061082 
  FeAsS 
  Lloyd Twaites LT 1516 
  Little Gem mine, Goldbridge, British Columbia, Canada 
  
           
 
  Arsenopyrite R070585 
  FeAsS 
  James Shigley  
  Standard Consolidated mine, Sumpter District, Baker County, Oregon, USA 
  
           
 
  Arsentsumebite R060949 
  Pb2 Cu(AsO4 )(SO4 )(OH) 
  Bob Jenkins  
  Capitana mine, Copiapo, Chile 
  
           
 
  Arsentsumebite R070629 
  Pb2 Cu(AsO4 )(SO4 )(OH) 
  Royal Ontario Museum  
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Arsentsumebite R110041 
  Pb2 Cu(AsO4 )(SO4 )(OH) 
  William W Pinch 11513 
  Tsumeb, Namibia 
  
           
 
  Arsenuranospathite R100008 
  Al(UO2 )2 (AsO4 )2 F·20H2 O 
  William Pinch  
  Krunkelbach valley, Menzenschwand, Schwarzwald, Germany 
  
           
 
  Artemisinin D120011 
  David Blake  
  Synthetic from Sensapharm 
  
           
 
  Artesunate D120001 
  David Blake  
  Synthetic from Sensapharm 
  
           
 
  Artesunate D120022 
  David Blake  
  Synthetic; pill is from Guilin Pharmaceutical Co., Ltd., China 
  
           
 
  Artesunate D120023 
  David Blake  
  Synthetic; pill is from Guilin Pharmaceutical Co., Ltd., China 
  
           
 
  Artesunate D120024 
  David Blake  
  Synthetic; pill is from Guilin Pharmaceutical Co., Ltd., China 
  
           
 
  Arthurite R060235 
  CuFe3+ 2 (AsO4 )2 (OH)2 ·4H2 O 
  Michael Scott S100155 
  Copper Stope, Majuba Hill mine, Pershing County, Nevada, USA 
  
           
 
  Artinite R060166 
  Mg2 (CO3 )(OH)2 ·3H2 O 
  Marcus Origlieri  
  San Benito County, California, USA 
  
           
 
  Artinite R060234 
  Mg2 (CO3 )(OH)2 ·3H2 O 
  Michael Scott S100297 
  southern San Benito County, California, USA 
  
           
 
  Artroeite R100034 
  PbAlF3 (OH)2  
  Natural History Museum of Los Angeles County LACMNH 39338 
  Grand Reef mine, Klondyke, Aravaipa District, Graham County, Arizona, USA 
  
           
 
  Asbecasite R060719 
  Ca3 TiAs6 Be2 Si2 O20  
  Bob Jenkins  
  Binntal, Wallis, Switzerland 
  
           
 
  Asbolane R070306 
  Mn4+ (O,OH)2 ·(Co,Ni,Mg,Ca)x (OH)2x ·nH2 O 
  James Shigley  
  Porterville, Tulare County, California, USA 
  
           
 
  Asbolane R070359 
  Mn4+ (O,OH)2 ·(Co,Ni,Mg,Ca)x (OH)2x ·nH2 O 
  Michael Scott S101785 
  Hachberg, Saint Avold, Moselle, France 
  
           
 
  Aschamalmite R060690 
  Pb6-3x Bi2+x S9  
  Michael Scott S101236 
  Ascham Alp, Untersulzbach Valley, Salzburg, Austria 
  
           
 
  Ashburtonite R110003 
  HCu4 Pb4 Si4 O12 (HCO3 )4 (OH)4 Cl 
  Bob Jenkins  
  Tonopah-Belmont mine, Maricopa County, Arizona, USA 
  
           
 
  Ashburtonite R200010 
  HCu4 Pb4 Si4 O12 (HCO3 )4 (OH)4 Cl 
  Bruce Murphy  
  Rowley mine, Maricopa County, Arizona, USA 
  
           
 
  Ashburtonite R200012 
  HCu4 Pb4 Si4 O12 (HCO3 )4 (OH)4 Cl 
  Bob Jenkins  
  Ashburton Downs Station, Western Australia, Australia 
  
           
 
  Ashcroftine-(Y) R110189 
  K5 Na5 Y12 Si28 O70 (OH)2 (CO3 )8 ·8H2 O 
  Donald Doell  
  Poudrette quarry, Mont Saint-Hilaire, Quebec, Canada 
  
           
 
  Asisite R070635 
  Pb7 SiO8 Cl2  
  Ausrox/Rob Sielicki  
  Kombat mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia 
  
           
 
  Aspedamite R130014 
  ◻12 (Fe3+ ,Fe2+ )3 Nb4 [Th(Nb,Fe3+ )12 O42 ][(H2 O),(OH)]12  
  Frank C. Hawthorne  
  Herrebøkasa quarry, Aspedammen, Østfold, Norway 
  
           
 
  Aspirin D120010 
  David Blake  
  Synthetic 
  
           
 
  Aspirin D120019 
  David Blake  
  Synthetic; pill is from Traphaco 
  
           
 
  Aspirin D120020 
  David Blake  
  Synthetic; pill is from Traphaco 
  
           
 
  Aspirin D120021 
  David Blake  
  Synthetic; pill is from Traphaco 
  
           
 
  Aspirin D200001 
  Bram Mooij  
  Synthetic from E. Merck AG, Darmstadt 
  
           
 
  Astrophyllite R060103 
  K2 NaFe2+ 7 Ti2 (Si4 O12 )2 O2 (OH)4 F 
  University of Arizona Mineral Museum 2924 
  Brivik, Norway 
  
           
 
  Astrophyllite R060202 
  K2 NaFe2+ 7 Ti2 (Si4 O12 )2 O2 (OH)4 F 
  Royal Ontario Museum M27042 
  Demix Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Atacamite R050098 
  Cu2 Cl(OH)3  
  Rock Currier  
  La Farola mine, Tierra Amarilla, Atacama, Chile 
  
           
 
  Atelestite R080139 
  Bi2 O(AsO4 )(OH) 
  William W. Pinch  
  Daniel mine, Schneeberg, Saxony, Germany 
  
           
 
  Atelisite-(Y) R130043 
  Y4 Si3 O8 (OH)8  
  Thomas Malcherek  
  Stetind quarry, Tysfjord, Norway 
  
           
 
  Atencioite R060893 
  Ca2 Fe2+ 3 Mg2 Be4 (PO4 )6 (OH)4 ·6H2 O 
  Michael Scott S100875 
  Linópolis, Minas Gerais, Brazil 
  
           
 
  Atenolol D120017 
  David Blake  
  Synthetic; pill is from Germany 
  
           
 
  Atenolol D120018 
  David Blake  
  Synthetic; pill is from Germany 
  
           
 
  Atorvastatin D120015 
  David Blake  
  Synthetic; pill is from Vietnam 
  
           
 
  Atorvastatin D120016 
  David Blake  
  Synthetic; pill is from Vietnam 
  
           
 
  Attikaite R070217 
  Ca3 Cu2 Al2 (AsO4 )4 (OH)4 ·2H2 O 
  Michael Scott S100433 
  Christiana Mine,  Kamareza Mines,  Agios Konstantinos [St Constantine] (Kamareza; Kamariza),  Lavrion District Mines,  Lavrion District,  Attikí (Attica; Attika) Prefecture,  Greece 
  
           
 
  Aubertite R060751 
  Cu2+ Al(SO4 )2 Cl·14H2 O 
  Bob Jenkins  
  Quetena mine, Chuquicamata, Chile 
  
           
 
  Augelite R050060 
  Al2 (PO4 )(OH)3  
  Rock Currier  
  Machacamarca, Potosi Department, Bolivia 
  
           
 
  Augelite R050100 
  Al2 (PO4 )(OH)3  
  Rock Currier  
  Rapid Creek, Yukon Territory, Canada 
  
           
 
  Augelite R050316 
  Al2 (PO4 )(OH)3  
  Eugene Schlepp  
  Rapid Creek, Yukon Territory, Canada 
  
           
 
  Augite X050024 
  (Ca,Mg,Fe)2 Si2 O6  
  G.R. Rossman 583 
  Cedar Butte, Oregon, USA 
  
           
 
  Augite X050025 
  (Ca,Mg,Fe)2 Si2 O6  
  G.R. Rossman 1646 
  Hopi Butte, Diatreme #6, Holbrook, Arizona, USA 
  
           
 
  Augite R061086 
  (Ca,Mg,Fe)2 Si2 O6  
  Michael Scott S101798 
  Boreslav, Teplitz, Bohemia, Czech Republic 
  
           
 
  Augite R061108 
  (Ca,Mg,Fe)2 Si2 O6  
  Michael Scott S101803 
  Monti Rossi, near Mt. Etna, Sicily, Italy 
  
           
 
  Augite R070231 
  (Ca,Mg,Fe)2 Si2 O6  
  Michael Scott S105901 
  Old Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA 
  
           
 
  Augite R110063 
  (Ca,Mg,Fe)2 Si2 O6  
  Marcus Origlieri  
  Betroka, Madagascar 
  
           
 
  Augite R190030 
  (Ca,Mg,Fe)2 Si2 O6  
  Mariah Leslie  
  San Louis Obispo Co., California, USA 
  
           
 
  Aurichalcite R050297 
  (Zn,Cu)5 (CO3 )2 (OH)6  
  George Godas, John Callahan  
  79 mine, 4th level, Hayden, Gila County, Arizona, USA 
  
           
 
  Aurichalcite R060426 
  (Zn,Cu)5 (CO3 )2 (OH)6  
  Michael Scott S100291 
  Bisbee, Cochise County, Arizona, USA 
  
           
 
  Aurostibite R060923 
  AuSb2  
  Michael Scott S100862 
  Krásná Hora, Czech Republic 
  
           
 
  Austinite R060703 
  CaZn(AsO4 )(OH) 
  Bob Jenkins  
  Gold Hill mine, Tooele County, Utah, USA 
  
           
 
  Avdoninite R061024 
  K2 Cu5 Cl8 (OH)4 ·2H2 O 
  Michael Scott S101385 
  Blyava Cu mine, Sakmara, Orenburgskaya, Ural Mountains, Russia 
  
           
 
  Avdoninite R070080 
  K2 Cu5 Cl8 (OH)4 ·2H2 O 
  Michael Scott S105106 
  main fracture, N breakthrough, Tolbachik Volcano, Kamchtka Peninsula, Russia 
  
           
 
  Avicennite R070262 
  Tl2 O3  
  Michael Scott S105807 
  Thallium Prospect, Little Valley, Tooele County, Utah, USA 
  
           
 
  Avogadrite R110062 
  KBF4  
  James Shigley  
  Mount Vesuvius, near Naples, Campania, Italy 
  
           
 
  Awaruite R061020 
  Ni3 Fe 
  Michael Scott S100895 
  Oregon, USA 
  
           
 
  Awaruite R070671 
  Ni3 Fe 
  James Shigley  
  Heazlewood District, Tasmania, Australia 
  
           
 
  Axinite-(Fe) R040074 
  Ca4 Fe2+ 2 Al4 [B2 Si8 O30 ](OH)2  
  University of Arizona Mineral Museum 8402 
  Luning, Nevada, USA 
  
           
 
  Axinite-(Fe) R050061 
  Ca4 Fe2+ 2 Al4 [B2 Si8 O30 ](OH)2  
  Rock Currier  
  Jamestown, California, USA 
  
           
 
  Axinite-(Fe) R050026 
  Ca4 Fe2+ 2 Al4 [B2 Si8 O30 ](OH)2  
  Rock Currier  
  Pouyva mine, Polar Urals, Western Siberian Region, Russia 
  
           
 
  Axinite-(Fe) R060183 
  Ca4 Fe2+ 2 Al4 [B2 Si8 O30 ](OH)2  
  Lloyd Twaites  
  Skagit Bluffs, near Manning Park, British Columbia, Canada 
  
           
 
  Axinite-(Fe) R060194 
  Ca4 Fe2+ 2 Al4 [B2 Si8 O30 ](OH)2  
  Herbert Obodda  
  near Dalbandi, Baluchistan Province, Pakistan 
  
           
 
  Axinite-(Fe) R060558 
  Ca4 Fe2+ 2 Al4 [B2 Si8 O30 ](OH)2  
  Gemological Institute of America 14110 
  unknown 
  
           
 
  Axinite-(Mg) R070133 
  Ca4 Mg2 Al4 [B2 Si8 O30 ](OH)2  
  Michael Gray  
  Merelani, Tanzania 
  
           
 
  Axinite-(Mn) R050299 
  Ca4 Mn2+ 2 Al4 [B2 Si8 O30 ](OH)2  
  Eugene Schlepp  
  Dalnegorsk, Russia 
  
           
 
  Axinite-(Mn) R061121 
  Ca4 Mn2+ 2 Al4 [B2 Si8 O30 ](OH)2  
  Michael Scott S103393 
  Franklin, Sussex County, New Jersey, USA 
  
           
 
  Axinite-(Mn) R160079 
  Ca4 Mn2+ 2 Al4 [B2 Si8 O30 ](OH)2  
  Carl Richardson  
  Huachuca Mountains, Cochise County, Arizona, USA 
  
           
 
  Azurite R050497 
  Cu3 (CO3 )2 (OH)2  
  Marcus Origlieri  
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Azurite R050638 
  Cu3 (CO3 )2 (OH)2  
  University of Arizona Mineral Museum 13399 
  Zacatecas, Mexico 
  
           
 
  Babingtonite X050027 
  Ca2 Fe2+ Fe3+ Si5 O14 (OH) 
  G.R. Rossman 1887 
  Kandivill, India 
  
           
 
  Babingtonite R060093 
  Ca2 Fe2+ Fe3+ Si5 O14 (OH) 
  University of Arizona Mineral Museum 8742 
  Iron Cap mine, Aravaipa District, Graham County, Arizona, USA 
  
           
 
  Babingtonite R060083 
  Ca2 Fe2+ Fe3+ Si5 O14 (OH) 
  University of Arizona Mineral Museum 17001 
  Hampden Quarry, Springfield, Massachusetts, USA 
  
           
 
  Babingtonite R060084 
  Ca2 Fe2+ Fe3+ Si5 O14 (OH) 
  University of Arizona Mineral Museum 4198 
  Winchester Highlands, Massachusetts, USA 
  
           
 
  Baddeleyite R060016 
  ZrO2  
  American Museum of Natural History 110614 
  Wet Loo, Myanmar 
  
           
 
  Baddeleyite R060078 
  ZrO2  
  Marcus Origlieri  
  Wetloo mine, Mogok, Burma 
  
           
 
  Baddeleyite R100171 
  ZrO2  
  Mauricio Ibanez-Mejia  
  Palabora Mine, Phalaborwa, Transvaal, Republic of South Africa  
  
           
 
  Bahianite R050627 
  Al5 Sb5+ 3 O14 (OH)2  
  Gemological Center  
  Paramirim Region, Bahia, Brazil 
  
           
 
  Bahianite R060433 
  Al5 Sb5+ 3 O14 (OH)2  
  Michael Scott S100255 
  Paramirim Region, Bahia, Brazil 
  
           
 
  Bairdite R190040 
  Pb2 Cu2+ 4 Te6+ 2 O10 (OH)2 (SO4 )·H2 O 
  Mike Shannon  
  Tombstone, Cochise County, Arizona, USA 
  
           
 
  Bakerite R050423 
  Ca4 B5 (SiO4 )3 (O3 (OH)5 ) 
  Marcus Origlieri  
  Corkscrew Canyon, Death Valley, California, USA 
  
           
 
  Bakhchisaraitsevite R060607 
  Na2 Mg5 (PO4 )4 ·7H2 O 
  Michael Scott S100971 
  Kovdor Massif,  Kola Peninsula,  Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Balangeroite R060244 
  Mg21 Si8 O27 (OH)20  
  Michael Scott S100332 
  San Vittore mine, Balangero Serpentinite, Lanzo Valley, Piedmont, Italy 
  
           
 
  Bannisterite R060817 
  (Ca,K,Na)(Mn2+ ,Fe2+ )10 (Si,Al)16 O38 (OH)8 ·nH2 O 
  Bob Jenkins  
  Broken Hill, New South Wales, Australia 
  
           
 
  Baotite R060251 
  Ba4 (Ti,Nb,W)8 O16 (SiO3 )4 Cl 
  William W. Pinch  
  Baiyun-Obo mine, Inner Mongolia, China 
  
           
 
  Baotite R060414 
  Ba4 (Ti,Nb,W)8 O16 (SiO3 )4 Cl 
  Herb Obodda 112 
  Zagi Mountain, near Hammedabad, Khaffor Dehri, North-West Frontier Province, Pakistan 
  
           
 
  Barbosalite R070358 
  Fe2+ Fe3+ 2 (PO4 )2 (OH)2  
  Michael Scott S104945 
  Bull Moose mine, Custer, Custer District, Custer County, South Dakota, USA 
  
           
 
  Bariandite R060602 
  Al0.6 (V5+ ,V4+ )8 O20 ·9H2 O 
  Michael Scott S101070 
  Mounana mine, Franceville, Haut-Ogooué, Gabon 
  
           
 
  Barićite R061045 
  (Mg,Fe)3 (PO4 )2 ·8H2 O 
  Michael Scott S100392 
  Rapid Creek, Yukon, Canada 
  
           
 
  Bario-olgite R060614 
  Na(Na,Sr,Ce)2 Ba(PO4 )2  
  Michael Scott S100949 
  Palitra pegmatite, Kedykverpakhk Mountain, Lovozero massif, Kola Peninsula, Russia 
  
           
 
  Barioperovskite R110180 
  BaTiO3  
  Guangtian Zou  
  Synthetic 
  
           
 
  Bariopharmacosiderite R060571 
  Ba0.5 Fe3+ 4 (AsO4 )3 (OH)4 ·5H2 O 
  Michael Scott S100251 
  Barrus mine, Pyramid District, Washoe County, Nevada, USA 
  
           
 
  Barlowite R110007 
  Cu4 BrF(OH)6  
  Marcus Origlieri  
  Southwest mine, Bisbee, Cochise County, Arizona, USA 
  
           
 
  Barnesite R060883 
  Na2 V5+ 6 O16 ·3H2 O 
  Bob Jenkins  
  Cactus Rat mine, Grand County, Utah, USA 
  
           
 
  Barrerite R050135 
  Na2 (Si7 Al2 )O18 ·6H2 O 
  Ben Norton  
  Kuiu Island, Alaska, USA 
  
           
 
  Barringerite R070439 
  (Fe,Ni)2 P 
  Paul Roth  
  Dredged from Tampa Bay harbour, Tampa Bay, Florida, USA 
  
           
 
  Bartelkeite R070114 
  PbFe2+ Ge(Ge2 O7 )(OH)2 ·H2 O 
  William W. Pinch  
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Barylite R060606 
  BaBe2 Si2 O7  
  Michael Scott S101023 
  Hackmann Valley, Yukspor Mountain, Khibiny, Kola, Russia 
  
           
 
  Barylite R060620 
  BaBe2 Si2 O7  
  Michael Scott S100829 
  Zomba, Malawi 
  
           
 
  Barysilite R050002 
  Pb8 Mn(Si2 O7 )3  
  University of Arizona Mineral Museum 4265 
  Franklin, Sussex County, New Jersey, USA 
  
           
 
  Barysilite R070651 
  Pb8 Mn(Si2 O7 )3  
  William W. Pinch  
  Kombat mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia 
  
           
 
  Barysilite R100057 
  Pb8 Mn(Si2 O7 )3  
  William W Pinch  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Baryte R040036 
  Ba(SO4 ) 
  University of Arizona Mineral Museum 6093 
  Cumbria County, England 
  
           
 
  Baryte X050028 
  Ba(SO4 ) 
  Caltech  
  Barium Queen mine, Barstow, California, USA 
  
           
 
  Baryte X050029 
  Ba(SO4 ) 
  Caltech  
  Palos Verdes, California, USA 
  
           
 
  Baryte R050342 
  Ba(SO4 ) 
  California Institute of Technology W-22127 
  Palos Verdes, Los Angeles County, California, USA 
  
           
 
  Baryte R050335 
  Ba(SO4 ) 
  California Institute of Technology W-22142 
  Bullion Mountains, San Bernardino County, California, USA 
  
           
 
  Baryte R050375 
  Ba(SO4 ) 
  Eugene Schlepp  
  unknown 
  
           
 
  Barytocalcite R050288 
  BaCa(CO3 )2  
  Marcus Origlieri  
  Cumberland, England 
  
           
 
  Barytocalcite R120099 
  BaCa(CO3 )2  
  Michael Scott S101067 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Barytolamprophyllite R120087 
  (BaK)Ti2 Na3 Ti(Si2 O7 )2 O2 (OH)2  
  Michael Scott S100558 
  Coyote Peak, Orick, Humboldt County, California, USA 
  
           
 
  Bassetite R080027 
  Fe2+ (UO2 )2 (PO4 )2 (H2 O)10  
  Mark N. Feinglos  
  Arcu su Linnarbu, Capoterra, Cagliari, Sardinia 
  
           
 
  Bastnäsite-(Ce) R050409 
  Ce(CO3 )F 
  G.R. Rossman W18 
  Machni, near Warsak Dam, Zagi Mountain, North-West Frontier Province, Pakistan 
  
           
 
  Bastnäsite-(Ce) R060359 
  Ce(CO3 )F 
  Herb Obodda 082 
  Zagi Mountain, near Hammedabad, Khaffor Dehri, North-West Frontier Province, Pakistan 
  
           
 
  Bastnäsite-(Ce) R060629 
  Ce(CO3 )F 
  Gemological Institute of America 03 
  Pakistan 
  
           
 
  Bastnäsite-(Ce) R060550 
  Ce(CO3 )F 
  Gemological Institute of America 24 
  Zagni Mountains, Pakistan 
  
           
 
  Bastnäsite-(Ce) R060737 
  Ce(CO3 )F 
  Herb Obodda 081 
  Zagi Mountain, near Hammedabad, Khaffor Dehri, NW Frontier Provence, Pakistan 
  
           
 
  Bastnäsite-(La) R070142 
  La(CO3 )F 
  Michael Scott S105765 
  Mochalin Log, Kyshtym, Chelyabinsk Oblast', Urals Region, Russia 
  
           
 
  Baumhauerite R050429 
  Pb12 As16 S36  
  University of Arizona Mineral Museum 2862 
  Binntal, Valais, Switzerland 
  
           
 
  Bavenite R060065 
  Ca4 Be2+x Al2-x Si9 O26-x (OH)2+x  (x = 0 to 1) 
  University of Arizona Mineral Museum 16163 
  Tittling, Bavarian Forest, Bavaria, Germany 
  
           
 
  Bavenite R060128 
  Ca4 Be2+x Al2-x Si9 O26-x (OH)2+x  (x = 0 to 1) 
  University of Arizona Mineral Museum 9330 
  Foot mine, Kings Mountain, Cleveland County, North Carolina, USA 
  
           
 
  Bavenite R060790 
  Ca4 Be2+x Al2-x Si9 O26-x (OH)2+x  (x = 0 to 1) 
  Michael Scott S101063 
  Londonderry, West Australia, Australia 
  
           
 
  Bavsiite R150042 
  Ba2 V2 O2 [Si4 O12 ] 
  Gunnar Farber  
  Gun Claim, Yukon Territory, Canada 
  
           
 
  Bayldonite R050670 
  Cu3 PbO(AsO3 OH)2 (OH)2  
  University of Arizona Mineral Museum 4809 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Bayldonite R110033 
  Cu3 PbO(AsO3 OH)2 (OH)2  
  William W Pinch  
  Tsumeb, Namibia 
  
           
 
  Bayleyite R070458 
  Mg2 (UO2 )(CO3 )3 ·18H2 O 
  Michael Scott S101759 
  Hideout mine (Hideout No. 1 mine), Deer Flats, White Canyon, White Canyon District, San Juan County, Utah, USA 
  
           
 
  Bazhenovite R130224 
  Ca8 S5 (S2 O3 )(OH)12 ·20H2 O 
  Rock Currier  
  Korkino, Chelyabinsk coal basin, S. Urals, Russia 
  
           
 
  Beaverite-(Cu) R060400 
  Pb(Fe3+ 2 Cu)(SO4 )2 (OH)6  
  American Museum of Natural History 17785 
  Utah, USA 
  
           
 
  Béhierite R060657 
  Ta(BO4 ) 
  Michael Scott S101149 
  Mount Ibity, Antsirabe, Madagascar 
  
           
 
  Behoite R060659 
  Be(OH)2  
  Michael Scott S101143 
  Mont St. Hilaire, Quebec, Canada 
  
           
 
  Behoite R130229 
  Be(OH)2  
  Rock Currier  
  Clear Creek pegmatite, Burnet County, Texas, USA 
  
           
 
  Behoite R130230 
  Be(OH)2  
  Rock Currier  
  Rode Ranch pegmatite, Llano County, Texas, USA 
  
           
 
  Belendorffite R070346 
  Cu7 Hg6  
  Michael Scott S100517 
  Landsberg Mountain (Moschellandsberg Mountain), Obermoschel, Rhineland-Palatinate, Germany 
  
           
 
  Bellbergite R100201 
  (K,Ba,Sr)2 Sr2 Ca2 (Ca,Na)4 (Si,Al)36 O72 ·30H2 O 
  Jürgen Wachsmuth, Ulm, Germany  
  Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel Mts, Rhineland-Palatinate, Germany 
  
           
 
  Bellingerite R050607 
  Cu3 (IO3 )6 ·2H2 O 
  University of Arizona Mineral Museum  
  Chuquicamata, Chile 
  
           
 
  Belovite-(Ce) R070163 
  NaCeSr3 (PO4 )3 F 
  Michael Scott S105765 
  Mochalin Log, Kyshtym, Chelyabinsk Oblast', Urals Region, Russia 
  
           
 
  Benavidesite R070348 
  Pb4 MnSb6 S14  
  Michael Scott S101751 
  Bear Basin Mines, Bear Basin, North Bend, King County, Washington, USA 
  
           
 
  Bendadaite R080112 
  Fe2+ Fe3+ 2 (AsO4 )2 (OH)2 ·4H2 O 
  Luiz Menezes  
  Almerindo mine, Linópolis district, Divino das Laranjeiras, Minas Gerais, Brazil 
  
           
 
  Benitoite R050320 
  BaTiSi3 O9  
  American Museum of Natural History 17493 
  San Benito County, California, USA 
  
           
 
  Benitoite R050332 
  BaTiSi3 O9  
  California Institute of Technology W-1863 
  Benitoite Gem mine, Santa Rita Peak, San Benito County, California, USA 
  
           
 
  Benitoite X060003 
  BaTiSi3 O9  
  Michael Scott 11306 
  
           
 
  Benjaminite R070399 
  Ag3 Bi7 S12  
  Michael Scott S101746 
  Outlaw Mine, Round Mountain District, Nye County, Nevada, USA 
  
           
 
  Benleonardite R070545 
  Ag15 Cu(Sb,As)2 S7 Te4  
  Michael Scott S101738 
  Moctezuma mine, Moctezuma, Municipio de Moctezuma, Sonora, Mexico 
  
           
 
  Benstonite R050484 
  Ba6 Ca6 Mg(CO3 )13  
  California Institute of Technology W-40011 
  Minerva #1 mine, Cave-in-Rock, Hardin County, Illinois, USA 
  
           
 
  Benyacarite R130130 
  (H2 O)2 Mn2 Ti2 Fe3+ (PO4 )4 (OF)(H2 O)10 ·4H2 O 
  Don Doell (small piece), Rock Currier (large piece)  
  El Criollo mine, Cerro Blanco, Tanti, Punilla, Córdoba, Argentina 
  
           
 
  Beraunite R060464 
  Fe3+ 6 (PO4 )4 O(OH)4 ·6H2 O 
  Michael Scott S100187 
  York mine, Polk County, Arkansas, USA 
  
           
 
  Beraunite R060696 
  Fe3+ 6 (PO4 )4 O(OH)4 ·6H2 O 
  Bob Jenkins  
  Three Oak Gap, Shady, Polk County, Arkansas, USA 
  
           
 
  Berborite X060021 
  Be2 (BO3 )(OH)·H2 O 
  Rainer Thomas 110135 
  Saga, Tvedalen, Langesundfjord/Norge 
  
           
 
  Bergslagite R060243 
  CaBe(AsO4 )(OH) 
  Michael Scott S100249 
  Langban mine dump, Langban, Filipstad, Varmland, Sweden 
  
           
 
  Berlinite R130243 
  Al(PO4 ) 
  Rock Currier  
  Buranga pegmatite, Gatumba District, Western Province, Rwanda 
  
           
 
  Bermanite R130057 
  Mn2+ Mn3+ 2 (PO4 )2 (OH)2 ·4H2 O 
  Thomas A. Loomis TL-13 
  Tip Top mine, Custer, South Dakota, USA 
  
           
 
  Bernardevansite R210010 
  Al2 (Se4+ O3 )3 ·6H2 O 
  Bob Jenkins  
  El Dragon, Potosi, Bolivia 
  
           
 
  Berthierine R110177 
  (Fe2+ ,Fe3+ ,Al)3 (Si,Al)2 O5 (OH)4  
  Donald Doell  
  DeMix quarry, Mont St-Hilaire, Quebec 
  
           
 
  Berthierite R070177 
  FeSb2 S4  
  Michael Scott S101663 
  Baia Sprie mine (Felsöbánya mine), Baia Sprie (Felsöbánya), Maramures County, Romania 
  
           
 
  Bertossaite R060666 
  Li2 CaAl4 (PO4 )4 (OH)4  
  Michael Scott S101293 
  Buranga, Rwanda 
  
           
 
  Bertrandite R060800 
  Be4 Si2 O7 (OH)2  
  Bob Jenkins  
  Golconda mine, Governador Valadares, Minas Gerais, Brazil 
  
           
 
  Bertrandite R110025 
  Be4 Si2 O7 (OH)2  
    
  Foote mine, Kings Mountain, North Carolina, USA 
  
           
 
  Beryl R040002 
  Be3 Al2 Si6 O18  
  University of Arizona Mineral Museum 15681 
  Usakos, Namibia 
  
           
 
  Beryl R050065 
  Be3 Al2 Si6 O18  
  Rock Currier  
  Xuebaoding, Sichuan Province, China 
  
           
 
  Beryl R050120 
  Be3 Al2 Si6 O18  
  Carlos and Paulo Vasconcelos  
  Cruziero mine, San Jose, Minas Gerais, Brazil 
  
           
 
  Beryl R050121 
  Be3 Al2 Si6 O18  
  Carlos and Paulo Vasconcelos  
  Cruziero mine, San Jose, Minas Gerais, Brazil 
  
           
 
  Beryl X050030 
  Be3 Al2 Si6 O18  
  G.R. Rossman 194 
  Brazil 
  
           
 
  Beryl X050031 
  Be3 Al2 Si6 O18  
  G.R. Rossman 121 
  
           
 
  Beryl R050305 
  Be3 Al2 Si6 O18  
  Eugene Schlepp  
  Conselheiro Pena, Minas Gerais, Brazil 
  
           
 
  Beryl R050347 
  Be3 Al2 Si6 O18  
  California Institute of Technology W-2013 
  North Keystone, South Dakota, USA 
  
           
 
  Beryl R050368 
  Be3 Al2 Si6 O18  
  Eugene Schlepp  
  Wah Wah Mountains, Utah, USA 
  
           
 
  Beryl R060942 
  Be3 Al2 Si6 O18  
  Lawrence W. Snee  
  Mingore mine, Swat Valley, Pakistan 
  
           
 
  Beryl R060943 
  Be3 Al2 Si6 O18  
  Lawrence W. Snee  
  Xinjiang, China 
  
           
 
  Beryl R060944 
  Be3 Al2 Si6 O18  
  Lawrence W. Snee  
  Habachtal, Salzburg, Austria 
  
           
 
  Beryl X080008 
  Be3 Al2 Si6 O18  
  Gemological Institute of America 21566 
  Synthetic 
  
           
 
  Beryl X080009 
  Be3 Al2 Si6 O18  
  Gemological Institute of America 28348 
  Synthetic 
  
           
 
  Beryl X080010 
  Be3 Al2 Si6 O18  
  Gemological Institute of America 23386 
  Synthetic 
  
           
 
  Beryl R110100 
  Be3 Al2 Si6 O18  
  Gemological Institute of America 10-12-2010-5 
  Synthetic 
  
           
 
  Beryl R110113 
  Be3 Al2 Si6 O18  
  Gemological Institute of America 10-12-2010-18 
  Synthetic 
  
           
 
  Beryl R110115 
  Be3 Al2 Si6 O18  
  Gemological Institute of America 10-12-2010-20 
  Synthetic 
  
           
 
  Beryl R110118 
  Be3 Al2 Si6 O18  
  Gemological Institute of America 10-22-2010-23 
  Synthetic 
  
           
 
  Beryllonite R060299 
  NaBe(PO4 ) 
  Herb Obodda 023 
  Paprok, near Kamdesh, Nuristan, Kunar Province, Afghanistan 
  
           
 
  Beryllonite R060552 
  NaBe(PO4 ) 
  Gemological Institute of America 22 
  Afghanistan 
  
           
 
  Beryllonite R070249 
  NaBe(PO4 ) 
  Michael Scott S101679 
  Melrose Farm Beryllonite prospects (McAllister prospects),  Stoneham, Oxford County, Maine, USA 
  
           
 
  Beryllonite R100219 
  NaBe(PO4 ) 
  Luiz Menezes  
  Telirio mine, Linopolis, Minas Gerais, Brazil 
  
           
 
  Berzelianite R060260 
  Cu2-x Se (x ≈ 0.12) 
  Michael Scott S100248 
  Bukov mine, near Tisnova, Western Moravia, Czechoslovakia 
  
           
 
  Berzelianite R110159 
  Cu2-x Se (x ≈ 0.12) 
  Mark N Feinglos  
  Facebaja, Romania 
  
           
 
  Berzeliite X060010 
  (NaCa2 )Mg2 (AsO4 )3  
  University of Arizona Mineral Museum 2382 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Berzeliite R061084 
  (NaCa2 )Mg2 (AsO4 )3  
  Michael Scott S101296 
  Jakobsberg mine, Nordmark, Filipstad, Varmland, Sweden 
  
           
 
  Betekhtinite R070087 
  (Cu,Fe)21 Pb2 S15  
  Michael Scott S101421 
  Dzhezkazgan deposit, central Kazakhstan 
  
           
 
  Betpakdalite-CaMg R060242 
  [Ca2 (H2 O)17 Mg(H2 O)6 ][Mo6+ 8 As5+ 2 Fe3+ 3 O36 (OH)] 
  William W. Pinch  
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Beudantite R060985 
  PbFe3+ 3 (AsO4 )(SO4 )(OH)6  
  Bob Jenkins  
  Kintore Opencut, Broken Hill, New South Wales, Australia 
  
           
 
  Beudantite R070189 
  PbFe3+ 3 (AsO4 )(SO4 )(OH)6  
  William W. Pinch  
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Beudantite R070190 
  PbFe3+ 3 (AsO4 )(SO4 )(OH)6  
  William W. Pinch  
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Beudantite R070492 
  PbFe3+ 3 (AsO4 )(SO4 )(OH)6  
  Bob Jenkins  
  Capitana mine, Copiapó Province, Atacama Region, Chile 
  
           
 
  Beudantite R070502 
  PbFe3+ 3 (AsO4 )(SO4 )(OH)6  
  Bob Jenkins  
  Dulcinea, Copiapó Province, Atacama Region, Chile 
  
           
 
  Beudantite R100183 
  PbFe3+ 3 (AsO4 )(SO4 )(OH)6  
  Marcus Origlieri  
  Mina Ojuela (Campo Sur), Mapimi, Durango, Mexico 
  
           
 
  Beusite R160031 
  Mn2+ Mn2+ 2 (PO4 )2  
  Jaroslav Hyršl  
  Santa Ana Pegmatite, Argentina 
  
           
 
  Bianchite R070020 
  Zn(SO4 )·6H2 O 
  Michael Scott S105110 
  Equatorial part of Midatlantic Ridge, 5000 m depth, Atlantic Ocean 
  
           
 
  Bicchulite R220020 
  Ca2 Al2 SiO6 (OH)2  
  Bruce White  
  Mono County, California, USA. 
  
           
 
  Bieberite R070595 
  Co(SO4 )·7H2 O 
  James Shigley  
  Nkana mine, Kitwe, Western Province, Zambia 
  
           
 
  Bigcreekite R060432 
  BaSi2 O5 ·4H2 O 
  Michael Scott S100244 
  Trumbull Peak, Mariposa County, California, USA 
  
           
 
  Bikitaite R050160 
  LiAlSi2 O6 ·H2 O 
  Jim McGlasson  
  Foote mine, Kings Mountain, Cleveland County, North Carolina, USA 
  
           
 
  Bikitaite R060032 
  LiAlSi2 O6 ·H2 O 
  University of Arizona Mineral Museum 5397 
  Al Hyat mine, Bikita, Fort Victoria, Southern Rhodesia 
  
           
 
  Bílinite R070187 
  Fe2+ Fe3+ 2 (SO4 )4 ·22H2 O 
  James Shigley  
  Runge mine, near Edgemont, Fall River County, South Dakota, USA 
  
           
 
  Billietite R070588 
  Ba(UO2 )6 O4 (OH)6 ·8H2 O 
  James Shigley  
  Musonoi mine, Kolwezi, Katanga, Zaire 
  
           
 
  Billietite R070624 
  Ba(UO2 )6 O4 (OH)6 ·8H2 O 
  Joan Abella i Creus  
  Eureka mine, Castell Estaó, La Plana de Mont-ros, La Torre de Capdella, Lleida, Catalonia, Spain 
  
           
 
  Billingsleyite R070350 
  Ag7 AsS6  
  Michael Scott S100507 
  North Lily Mine, East Tintic District, East Tintic Mts, Utah County, Utah, USA 
  
           
 
  Billwiseite R130070 
  Sb3+ 5 Nb3 WO18  
  Frank C. Hawthorne  
  Eastern margin of the Nanga Parbat – Haramosh massif at Stak Nala, 70 km east of Gilgit, Pakistan 
  
           
 
  Bindheimite R050546 
  Pb2 Sb5+ 2 O7  
  University of Arizona Mineral Museum 4882 
  Arabia District, Pershing County, Nevada, USA 
  
           
 
  Biphosphammite R070206 
  (NH4 )H2 (PO4 ) 
  Jacqueline Reynard and Gregory Schmidt  
  Synthetic by Udo J. A. Behner 
  
           
 
  Biphosphammite R070411 
  (NH4 )H2 (PO4 ) 
  Michael Scott S104821 
  Mason Bat Cave, Mason County, Texas, USA 
  
           
 
  Biphosphammite R180019 
  (NH4 )H2 (PO4 ) 
  Peter Megaw  
  Ojuela mine, Mapimí, Municipio de Mapimí, Durango, Mexico 
  
           
 
  Birchite R150100 
  Cd2 Cu2 (PO4 )2 (SO4 )·5H2 O 
  William W. Pinch  
  Block 14 Opencut, Broken Hill, New South Wales, Australia 
  
           
 
  Bisbeeite R060317 
  Herb Obodda 051 
  Shangulowe, Katanga Province, Democratic Republic of Congo 
  
           
 
  Bismite R070185 
  Bi2 O3  
  Michael Scott S104823 
  Berezovskii, Ekaterinberg, Sverdlovskaya Oblast', Ural Region, Russia 
  
           
 
  Bismoclite R100197 
  BiOCl 
  Bob Jenkins  
  El Guanaco Mine, Guanaco (Huanaco), Santa Catalina, Antofagasta Province, Antofagasta Region, Chile 
  
           
 
  Bismuth R050650 
  Bi 
  University of Arizona Mineral Museum 16274 
  Wolfram Camp, Queensland, Australia 
  
           
 
  Bismuth R070375 
  Bi 
  Royal Ontario Museum M14615 
  Frontier mine, South Lorrain, Timiskaming District, Ontario, Canada 
  
           
 
  Bismuthinite R061077 
  Bi2 S3  
  Lloyd Twaites LT1259 
  Jersey mine, Salmo, British Columbia, Canada 
  
           
 
  Bismuthinite R070533 
  Bi2 S3  
  James Shigley  
  Llallagua, Bustillos Province, Potosi, Bolivia 
  
           
 
  Bismuthinite R070617 
  Bi2 S3  
  James Shigley  
  Hachita, Grants County, New Mexico, USA 
  
           
 
  Bismutite R050634 
  Bi2 O2 (CO3 ) 
  University of Arizona Mineral Museum 13158 
  Outpost mine, Wickenburg, White Picacho District, Maricopa County, Arizona, USA 
  
           
 
  Bismutite R060665 
  Bi2 O2 (CO3 ) 
  Michael Scott S101282 
  Ecuador, Rio Grande do Norte, Brazil 
  
           
 
  Bismutotantalite R130254 
  BiTaO4  
  Rock Currier  
  Wampewo Hill, Busiiro Co. (Bushiro Co.), Wakiso District, Uganda 
  
           
 
  Bismutotantalite R130778 
  BiTaO4  
  Rock Currier  
  Mbale Estate, Singo, West of Kanipala, Uganda 
  
           
 
  Bixbyite-(Fe) R050395 
  Fe3+ 2 O3  
  Marcus Origlieri  
  Thomas Range, Juab County, Utah, USA 
  
           
 
  Bjarebyite R130107 
  BaMn2+ 2 Al2 (PO4 )3 (OH)3  
  Rock Currier  
  Buranga mine, Gatumba District, Western Province, Rwanda 
  
           
 
  Bjarebyite R130106 
  BaMn2+ 2 Al2 (PO4 )3 (OH)3  
  Donald Doell (small piece), Rock Currier (large Piece)  
  Palermo #1 mine, North Groton, New Hampshire 
  
           
 
  Blatonite R060594 
  (UO2 )(CO3 )·H2 O 
  Michael Scott S100794 
  Jomac mine, San Juan County, Utah, USA 
  
           
 
  Blixite R070364 
  Pb8 O5 (OH)2 Cl4  
  Michael Scott S106185 
  Upper Bolivia Stope, 185 m level, Nya Schaktet Shaft, Langban, Filipstad, Varmland, Sweden 
  
           
 
  Blödite R050317 
  Na2 Mg(SO4 )2 ·4H2 O 
  American Museum of Natural History 65127 
  Stassfurt, Germany 
  
           
 
  Blödite R050341 
  Na2 Mg(SO4 )2 ·4H2 O 
  George Rossman  
  Soda Lake, San Luis Obispo County, California, USA 
  
           
 
  Bobdownsite R050109 
  Ca9 Mg(PO3 F)(PO4 )6  
  Rock Currier  
  Big Fish River, Yukon Territory, Canada 
  
           
 
  Bobdownsite R070653 
  Ca9 Mg(PO3 F)(PO4 )6  
  Rock Currier  
  Tip Top mine, Custer County, South Dakota, USA 
  
           
 
  Bobdownsite R070654 
  Ca9 Mg(PO3 F)(PO4 )6  
  Rock Currier  
  Tip Top mine, Custer County, South Dakota, USA 
  
           
 
  Bobdownsite R100214 
  Ca9 Mg(PO3 F)(PO4 )6  
  Tom Loomis, Dakota Matrix Minerals #120908W-2 
  Tip Top mine, Custer County, South Dakota, USA 
  
           
 
  Bobdownsite R100215 
  Ca9 Mg(PO3 F)(PO4 )6  
  Tom Loomis, Dakota Matrix Minerals  #120908W-4 
  Tip Top mine, Custer County, South Dakota, USA 
  
           
 
  Bobdownsite R110026 
  Ca9 Mg(PO3 F)(PO4 )6  
  Tom Loomis, Dakota Matrix Minerals #120908W-3 
  Tip Top mine, Custer County, South Dakota, USA 
  
           
 
  Bobfergusonite R160069 
  ◻Na2 Mn2+ 5 Fe3+ Al(PO4 )6  
  Thomas A. Loomis  
  Nancy Pegmatite, Chacabuco Dept, San Luis, Argentina 
  
           
 
  Bobierrite R060681 
  Mg3 (PO4 )2 ·8H2 O 
  Michael Scott S101377 
  Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Bobjonesite R060530 
  V4+ O(SO4 )·3H2 O 
  Michael Scott S100781 
  Petrified log in the North Mesa 5 mine, Temple Mountain, Emery County, Utah, USA 
  
           
 
  Bobjonesite R060577 
  V4+ O(SO4 )·3H2 O 
  Michael Scott S100806 
  Petrified log in the North Mesa 5 mine, Temple Mountain, Emery County, Utah, USA 
  
           
 
  Bobkingite R141030 
  Cu5 Cl2 (OH)8 ·2H2 O 
  William W. Pinch and Robert Pecorini  
  Cerro Minado Mines, Cuesta Alta, Huércal-Overa, Almería, Andalusia, Spain 
  
           
 
  Bobmeyerite R220009 
  Pb4 (Al3 Cu)(Si4 O12 )(S0.5 Si0.5 O4 )(OH)7 Cl(H2 O)3  
  Bob Jenkins  
  Mammoth-Saint Anthony Mine, St. Anthony deposit, Tiger, Mammoth District, Pinal Co., Arizona, USA 
  
           
 
  Bobtraillite R070414 
  (Na,◻)12 (◻,Na)12 Sr12 Zr14 (Si3 O9 )10 [Si2 BO7 (OH)2 ]6 ·12H2 O 
  Michael Scott S101831 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Böhmite R120133 
  AlO(OH) 
  Ivano Rocchetti  
  Maglio-Pornaro, Tretto di Schio, Vicenza, Italy 
  
           
 
  Böhmite R120123 
  AlO(OH) 
  Marcus Origlieri  
  Sagasen, Telemark, Norway 
  
           
 
  Bohseite R220004 
  Ca4 Be3+x Al1-x Si9 O25-x (OH)3+x  (x = 0 to 1) 
  Donald Doell  
  Ermakovska, Buryatia, Siberia, Russia 
  
           
 
  Bokite R060590 
  (Al,Fe)1.3 (V5+ ,V4+ ,Fe3+ )8 O20 ·7.5H2 O 
  Michael Scott S100790 
  Monument #2 mine, Apache County, Arizona, USA 
  
           
 
  Boleite R050022 
  KAg9 Pb26 Cu24 Cl62 (OH)48  
  Eugene Schlepp  
  Amelia mine, Boleo, Baja California, Mexico 
  
           
 
  Boleite R130099 
  KAg9 Pb26 Cu24 Cl62 (OH)48  
  Joe Ruiz  
  Rowley mine, Maricopa County, Arizona, USA 
  
           
 
  Boltwoodite R060753 
  (K,Na)(UO2 )(SiO3 OH)·1.5H2 O 
  Michael Scott S100288 
  Rossing mine, between Rossing & Arandis, near Swakopmund, Namibia 
  
           
 
  Bonattite R070398 
  Cu(SO4 )·3H2 O 
  Michael Scott S102188 
  Undu mine, Nukundamu, Vanua Levu, Fiji 
  
           
 
  Bonattite R070424 
  Cu(SO4 )·3H2 O 
  Bob Downs  
  Grand Reef mine, Klondyke, Aravaipa District, Graham County, Arizona, USA 
  
           
 
  Bonazziite R061028 
  As4 S4  
  Michael Scott S101415 
  Radvanice, Bohemia 
  
           
 
  Boracite R060009 
  Mg3 B7 O13 Cl 
  University of Arizona Mineral Museum  
  Luneberg, Hannover, Germany 
  
           
 
  Boracite R070317 
  Mg3 B7 O13 Cl 
  James Shigley  
  Douglashall, Westereglen, Stassfurt District, Saxony-Anhalt, Germany 
  
           
 
  Boralsilite R140759 
  Al16 B6 O30 (Si2 O7 ) 
  Edward S. Grew 121102A 
  Larsemann Hills, Prydz Bay, Ingrid Christensen Coast, Princess Elizabeth Land, Eastern Antarctica, Antarctica 
  
           
 
  Borax R070168 
  Na2 B4 O5 (OH)4 ·8H2 O 
  Michael Scott S101857 
  Boron, Kramer District, Kern County, California, USA 
  
           
 
  Borcarite R060591 
  Ca4 MgB4 O6 (CO3 )2 (OH)6  
  Michael Scott S100788 
  Fuka mine, Bitchu-cho, Takahashi, Kawakami-gun, Okayama Prefecture, Chugoku Region, Japan 
  
           
 
  Borcarite R110094 
  Ca4 MgB4 O6 (CO3 )2 (OH)6  
  Rob Lavinsky  
  Inner Mongolia, China 
  
           
 
  Bornite R050322 
  Cu5 FeS4  
  Lloyd Twaites  
  Bethlehem Copper mine, Highland Valley, Logan Lake, British Columbia, Canada 
  
           
 
  Bornite R070636 
  Cu5 FeS4  
  Michael Scott S100287 
  mine 65, 180 m. level, Dzheskazgan mining district, central Kazakhstan 
  
           
 
  Borocookeite R080076 
  LiAl4 (Si3 B)O10 (OH)8  
  Michael Scott 1005113 
  Malkhan Range, Central Transbaikal Region, Russia 
  
           
 
  Boromuscovite R070107 
  KAl2 (Si3 B)O10 (OH)2  
  Jeffrey E. Patterson 3,4,5 
  Little 3 mine, Ramona, California, USA 
  
           
 
  Botallackite R070066 
  Cu2 Cl(OH)3  
  Bob Jenkins  
  Levante mine, St. Just, Cornwall, England 
  
           
 
  Botallackite R080012 
  Cu2 Cl(OH)3  
  William W. Pinch  
  Cligga Head, Cornwall, England 
  
           
 
  Botryogen R070362 
  MgFe3+ (SO4 )2 (OH)·7H2 O 
  Michael Scott S102842 
  Queténa Mine, Calama, El Loa Province, Antofagasta Region, Chile 
  
           
 
  Botryogen R070581 
  MgFe3+ (SO4 )2 (OH)·7H2 O 
  James Shigley  
  Redington mine, Knoxville, Napa County, California, USA 
  
           
 
  Bottinoite R060263 
  NiSb5+ 2 (OH)12 ·6H2 O 
  Michael Scott S100250 
  Ramsbeck mine, Dornberg, Sauerland, Germany 
  
           
 
  Boulangerite R050436 
  Pb5 Sb4 S11  
  University of Arizona Mineral Museum 13704 
  Noche Buena mine, Noche Buena, Municipio de Mazapil, Zacatecas, Mexico 
  
           
 
  Boulangerite R050441 
  Pb5 Sb4 S11  
  University of Arizona Mineral Museum 5495 
  Sullivan mine, Kimberley, British Columbia, Canada 
  
           
 
  Bournonite R050111 
  CuPbSbS3  
  He Xin Jian  
  Yao Gang Xian mine, Chenzhou, Hunan Province, China 
  
           
 
  Bournonite R050364 
  CuPbSbS3  
  University of Arizona Mineral Museum 7088 
  Neudorf, Harz Mountains, Austria 
  
           
 
  Boukaite R220022 
  (MoO2 )2 O(SO3 OH)2 (H2 O)2 ·2H2 O 
  Jim McGlasson  
  Cooke's Peak, Cookes Range, Luna County, New Mexico, USA 
  
           
 
  Boussingaultite R061027 
  (NH4 )2 Mg(SO4 )2 ·6H2 O 
  Michael Scott S101482 
  Kladno, Bohmen, Czech Republic 
  
           
 
  Boussingaultite R070597 
  (NH4 )2 Mg(SO4 )2 ·6H2 O 
  James Shigley  
  The Geysers, near Cloverdale, Sonoma County, California, USA 
  
           
 
  Bowieite R070409 
  Rh2 S3  
  Michael Scott S104780 
  Novoseltsi, Burgas Oblast (Bourgas Oblast), Bulgaria 
  
           
 
  Braccoite R220040 
  NaMn2+ 5 [Si5 O14 (OH)](AsO3 )(OH) 
  Fernando Cámara  
  Valletta mine, Maira Valley, Piedmont, Italy 
  
           
 
  Brackebuschite R050547 
  Pb2 Mn3+ (VO4 )2 (OH) 
  University of Arizona Mineral Museum 2423 
  Cordoba, Argentina 
  
           
 
  Brackebuschite R100087 
  Pb2 Mn3+ (VO4 )2 (OH) 
  Mark Ascher  
  C & B mine, Hayden, Gila County, Arizona, USA 
  
           
 
  Bradaczekite R070029 
  NaCuCuCu2 (AsO4 )3  
  Michael Scott S105114 
  main fracture, N breakthrough, Tolbachik Volcano, Kamchatka Peninsula, Russia 
  
           
 
  Braggite R070567 
  PdPt3 S4  
  James Shigley  
  Minneapolis Adit, J M Reef, Stillwater Complex, Beartooth Mountains, Stillwater County, Montana, USA 
  
           
 
  Braitschite-(Ce) R060008 
  Ca6.15 Na0.85 REE2.08 [B6 O7 (OH)3 (O,OH)3 ]4 ·H2 O 
  University of Arizona Mineral Museum 11435 
  Texas Gulf Sulfur Potash mine, Cisco, Utah, USA 
  
           
 
  Branchite R180006 
  C20 H34  
  Rock Currier  
  Santa Barbara mine, San Giovanni, Valdarno, Italy 
  
           
 
  Brandtite R070170 
  Ca2 Mn2+ (AsO4 )2 ·2H2 O 
  Michael Scott S103207 
  Harstigen Mine, Pajsberg, Filipstad, Varmland, Sweden 
  
           
 
  Brannerite R060613 
  UTi2 O6  
  Michael Scott S100886 
  Crocker's Well, South Australia, Australia 
  
           
 
  Brannerite R080091 
  UTi2 O6  
  Michael Scott S100886 
  Crocker's Well, South Australia, Australia 
  
           
 
  Brannockite R070278 
  KSn2 (Li3 Si12 )O30  
  Michael Scott S101215 
  Foote Lithium County mine (Foote mine), Kings Mountain District, Cleveland County, North Carolina, USA 
  
           
 
  Brannockite R070410 
  KSn2 (Li3 Si12 )O30  
  Michael Scott S102814 
  Foote Lithium County mine (Foote mine), Kings Mountain District, Cleveland County, North Carolina, USA 
  
           
 
  Brassite R060042 
  Mg(AsO3 OH)·4H2 O 
  University of Arizona Mineral Museum 16150 
  Bohemia Region, Svornost mine, Jachymov, Czech Republic 
  
           
 
  Braunite R050385 
  Mn2+ Mn3+ 6 O8 (SiO4 ) 
  University of Arizona Mineral Museum 3754 
  Jhabua District, Madhya Pradesh, India 
  
           
 
  Braunite R050388 
  Mn2+ Mn3+ 6 O8 (SiO4 ) 
  University of Arizona Mineral Museum 3751 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Braunite R050390 
  Mn2+ Mn3+ 6 O8 (SiO4 ) 
  University of Arizona Mineral Museum 7721 
  Oehrenstock, Thuringia, Germany 
  
           
 
  Braunite R090057 
  Mn2+ Mn3+ 6 O8 (SiO4 ) 
  Marshall Sussman  
  N'Chwaning III Mine, N'Chwaning Mines, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Brazilianite R050126 
  NaAl3 (PO4 )2 (OH)4  
  Carlos and Paulo Vasconcelos  
  Linopolis, Minas Gerais, Brazil 
  
           
 
  Brazilianite R050319 
  NaAl3 (PO4 )2 (OH)4  
  American Museum of Natural History 71603 
  Minas Gerais, Brazil 
  
           
 
  Brazilianite R050504 
  NaAl3 (PO4 )2 (OH)4  
  Marcus Origlieri  
  Córrego Frio, Minas Gerais, Brazil 
  
           
 
  Breithauptite R060928 
  NiSb 
  Royal Ontario Museum M9968 
  Cobalt, Ontario, Canada 
  
           
 
  Brendelite R130059 
  (Bi,Pb)2 (Fe3+ ,Fe2+ )O2 (OH)(PO4 ) 
  William W. Pinch  
  Güldener Falk mine, Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany 
  
           
 
  Brenkite R060247 
  Ca2 (CO3 )F2  
  Michael Scott S100302 
  Schellkopf, Brenk, Eifel, Germany 
  
           
 
  Brewsterite-Ba R070120 
  Ba(Al2 Si6 )O16 ·5H2 O 
  Michael Scott S100415 
  Strontian, North West Highlands (Argyllshire), Scotland, UK 
  
           
 
  Brewsterite-Sr R070227 
  Sr(Al2 Si6 )O16 ·5H2 O 
  Michael Scott S101852 
  Strontian, North West Highlands (Argyllshire), Scotland, UK 
  
           
 
  Brezinaite R070042 
  Cr3 S4  
  Michael Scott S105111 
  Tucson meteorite, Pima County, Arizona, USA 
  
           
 
  Brianyoungite R060431 
  Zn3 (CO3 )(OH)4  
  Michael Scott S100259 
  Brownley Hill mine, Nenthead, Cumbria, England 
  
           
 
  Bridgesite-(Ce) R230003 
  CaCe2 Cu6 (SO4 )4 (OH)12 ·8H2 O 
  Neil Hubbard  
  Tynebottom Mine, Cumbria, United Kingdom 
  
           
 
  Bridgmanite R210006 
  MgSiO3  
  Jurgen Konzett TP-MA-6 
  Synthesized at at 20-25 GPa and 1600-1700 °C 
  
           
 
  Britholite-(Ce) R130281 
  (Ce,Ca)5 (SiO4 )3 (OH) 
  Rock Currier  
  Oka complex, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada 
  
           
 
  Britvinite R070639 
  Pb14 Mg9 (Si10 O28 )(BO3 )4 (CO3 )2 (OH)12 F2  
  William W. Pinch  
  Kombat mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia 
  
           
 
  Brizziite R060611 
  NaSbO3  
  Michael Scott S101113 
  Le Cetine di Cotorniano, Chiusdino, Siena Province, Tuscany, Italy 
  
           
 
  Brizziite R220041 
  NaSbO3  
  Erica Bittarello  
  Pereta mine, Tuscany, Italy 
  
           
 
  Brochantite R060117 
  Cu4 (SO4 )(OH)6  
  University of Arizona Mineral Museum 16558 
  M'sesa mine, Likasi, Katanga Province, Democratic Republic of the Congo 
  
           
 
  Brochantite R060133 
  Cu4 (SO4 )(OH)6  
  University of Arizona Mineral Museum 13625 
  Shattuck mine, Bisbee, Cochise County, Arizona, USA 
  
           
 
  Brochantite R100199 
  Cu4 (SO4 )(OH)6  
  Donald K Olson  
  Milpillas mine, Municipio de Santa Cruz, Sonora, Mexico 
  
           
 
  Bromargyrite R060661 
  AgBr 
  Michael Scott S101229 
  Schone Aussicht, near Dernbach, Nassau, Germany 
  
           
 
  Bromargyrite R070338 
  AgBr 
  James Shigley  
  Broken Hill Mine, Broken Hill, New South Wales, Australia 
  
           
 
  Bromellite X050194 
  BeO 
  Marcus Origlieri  
  synthetic 
  
           
 
  Brookite R050363 
  TiO2  
  University of Arizona Mineral Museum 10197 
  Magnet Cove, Arkansas, USA 
  
           
 
  Brookite R050591 
  TiO2  
  Wayne Thompson  
  Taftan, near Dalbandi, Baluchistan, Pakistan 
  
           
 
  Brookite R130225 
  TiO2  
  Don Doell  
  Mont St-Hilaire, Quebec, Canada 
  
           
 
  Brownmillerite R130105 
  Ca2 Fe3+ AlO5  
  Donald Doell  
  Ettringer Feld, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany 
  
           
 
  Brucite R040077 
  Mg(OH)2  
  University of Arizona Mineral Museum 7404 
  Gabbs, Nye County, Nevada, USA 
  
           
 
  Brucite R050455 
  Mg(OH)2  
  University of Arizona Mineral Museum 7401 
  Texas, Lancaster County, Pennsylvania, USA 
  
           
 
  Brunogeierite R090012 
  Fe2+ 2 Ge4+ O4  
  William W. Pinch  
  Tsumeb, Namibia 
  
           
 
  Brushite R070554 
  Ca(PO3 OH)·2H2 O 
  Henry J. Sun  
  Biogenic 
  
           
 
  Buddingtonite R061115 
  (NH4 )(AlSi3 )O8  
  Michael Scott S104786 
  Sharon Heights, Menlo Park, Santa Clara County, California, USA 
  
           
 
  Bukovskýite R050630 
  Fe3+ 2 (AsO4 )(SO4 )(OH)·7H2 O 
  University of Arizona Mineral Museum 10053 
  Kutna Hora, Bohemia, Czechoslovakia 
  
           
 
  Bulachite R070243 
  Al6 (AsO4 )3 (OH)9 (H2 O)4 ·2H2 O 
  Michael Scott S101848 
  Sa Malesa, Sarroch, Cagliari Province, Sardinia, Italy 
  
           
 
  Bultfonteinite R050088 
  Ca2 SiO3 (OH)F·H2 O 
  Rock Currier  
  N'Chwaning II mine, Kuruman, South Africa 
  
           
 
  Bunsenite R080121 
  NiO 
  William W. Pinch R-5794-1 
  Johanngeorgenstadt, Saxony, Germany 
  
           
 
  Burangaite R070408 
  NaFe2+ Al5 (PO4 )4 (OH)6 ·2H2 O 
  Michael Scott S100534 
  Buranga pegmatite, Gatumba District, Gisenyi Province, Rwanda 
  
           
 
  Burbankite R050646 
  (Na,Ca)3 (Sr,Ba,Ce)3 (CO3 )5  
  Marcus Origlieri  
  Cerro Sapo, Cochabamba Department, Bolivia 
  
           
 
  Burbankite R110199 
  (Na,Ca)3 (Sr,Ba,Ce)3 (CO3 )5  
  Donald Doell  
  Poudrette quarry, Mont Saint-Hilaire, Quebec, Canada 
  
           
 
  Burbankite R120073 
  (Na,Ca)3 (Sr,Ba,Ce)3 (CO3 )5  
  Donald Doell  
  Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada 
  
           
 
  Burkeite R060112 
  Na4 (SO4 )(CO3 ) 
  University of Arizona Mineral Museum 3517 
  Searles Lake, near Trona, San Bernardino County, California, USA 
  
           
 
  Buseckite R130007 
  (Fe,Zn,Mn)S 
  Chi Ma  
  Zakłodzie meteorite, Zakłodzie, Poland 
  
           
 
  Buserite R070067 
  Na4 Mn14 O27 ·21H2 O (?) 
  Michael Scott S101442 
  Oppu mine (Lower 7 level), Aomori-ken, Japan 
  
           
 
  Bussyite-(Ce) R120059 
  (Ce,REE)3 (Na,H2 O)6 MnSi9 Be5 (O,OH)30 F4  
  Donald Doell  
  Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada 
  
           
 
  Bustamite R040014 
  Mn2 Ca2 MnCa(Si3 O9 )2  
  University of Arizona Mineral Museum 13651 
  Broken Hill, New South Wales, Australia 
  
           
 
  Butlerite R110160 
  Fe3+ (SO4 )(OH)·2H2 O 
  George Rossman, California Institute of Technology CIT-9167, GRR186, USNM 95953 
  United Verde mine, Jerome, Arizona 
  
           
 
  Buttgenbachite R090013 
  Cu36 (NO3 )2 Cl8 (OH)62 ·nH2 O 
  William W. Pinch  
  Likasi Mine, Jadotville, Shaba, Zaire 
  
           
 
  Bystrite R060642 
  Na7 Ca(Al6 Si6 )O24 (S5 )2- Cl1-  
  Michael Scott S100813 
  Malaya Bystvaya, Lapis Deposit, Baikal, Russia 
  
           
 
  Bytownite X050032 
  (Ca,Na)(Si,Al)4 O8  
  G.R. Rossman 1812 
  Crystal Bay, Minnesota, USA 
  
           
 
  Bytownite X050033 
  (Ca,Na)(Si,Al)4 O8  
  G.R. Rossman 1606 
  Casas Grandes, Chihuahua, Mexico 
  
           
 
  Cabalzarite R060658 
  CaMg2 (AsO4 )2 ·2H2 O 
  Michael Scott S101137 
  Falotta, Switzerland 
  
           
 
  Cacoxenite R070141 
  Fe3+ 24 AlO6 (PO4 )17 (OH)12 ·75H2 O 
  Michael Scott S103919 
  Rotläufchen Mine, Waldgirmes, Wetzlar, Hesse, Germany 
  
           
 
  Cadmoindite R060748 
  CdIn2 S4  
  Michael Scott S100948 
  Kudriavy (Kudryaviy) volcano, Iturup island, Kuril Islands, Russia 
  
           
 
  Cafarsite R080118 
  (Ca,Na,◻)19 Ti8 Fe3+ 4 Fe2+ 4 (AsO3 )28 F 
  Renato and Adriana Pagano  
  Monte Cervandone, Val Devero, Piedmont, Italy 
  
           
 
  Cafetite R060872 
  CaTi2 O5 ·H2 O 
  Michael Scott S101254 
  Magnet Cove, Arkansas, USA 
  
           
 
  Caffeine D120006 
  David Blake  
  Synthetic 
  
           
 
  Cahnite R070182 
  Ca2 B(AsO4 )(OH)4  
  Michael Scott S103925 
  Vallerano Quarry, Vallerano, Rome, Rome Province, Latium, Italy 
  
           
 
  Cahnite R110095 
  Ca2 B(AsO4 )(OH)4  
  Rob Lavinsky  
  Inner Mongolia province, China 
  
           
 
  Cairncrossite R150126 
  Sr2 Ca7-x Na2x (Si4 O10 )4 (OH)2 (H2 O)15-x  
  Arnold Gucsik  
  Block 17, Wessels mine, Northern Cape Province, South Africa 
  
           
 
  Calaverite R060134 
  AuTe2  
  University of Arizona Mineral Museum 5414 
  Cripple Creek, Teller County, Colorado, USA 
  
           
 
  Calaverite R070164 
  AuTe2  
  Michael Scott S102751 
  Vindicator mine, Cripple Creek, Teller County, Colorado, USA 
  
           
 
  Calaverite R070397 
  AuTe2  
  Michael Scott S102752 
  Sacarambu, Transylvania, Romania 
  
           
 
  Calcioancylite-(Ce) R060205 
  (Ce,Ca,Sr)(CO3 )(OH,H2 O) 
  Royal Ontario Museum M49550 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Calcioancylite-(Ce) R130005 
  (Ce,Ca,Sr)(CO3 )(OH,H2 O) 
  Don Doell  
  Mont Saint-Hilaire, Rouville RCM, Monteregie, Quebec, Canada 
  
           
 
  Calcioaravaipaite R100033 
  PbCa2 AlF9  
  Natural History Museum of Los Angeles County LACMNH 39338 
  Grand Reef mine, Klondyke, Aravaipa District, Graham County, Arizona, USA 
  
           
 
  Calcioburbankite R070023 
  Na3 (Ca,Ce,Sr,La)3 (CO3 )5  
  Michael Scott S105115 
  Vuoriyarvi Massif, Murmansk region, Russia 
  
           
 
  Calcioburbankite R140485 
  Na3 (Ca,Ce,Sr,La)3 (CO3 )5  
  Rock Currier  
  Eboundja, Kribi, South Region, Cameroon 
  
           
 
  Calcioferrite R120092 
  Ca4 MgFe3+ 4 (PO4 )6 (OH)4 ·12H2 O 
  Bob Jenkins  
  Moculta quarry, Angastan, South Australia, Australia 
  
           
 
  Calciouranoite R070022 
  (Ca,Ba,Pb,K,Na)U2 O7 ·5H2 O 
  Michael Scott S105118 
  Oktyabr'skoye Mo-U deposit,  east Transbaikal region, Russia 
  
           
 
  Calcite R040070 
  Ca(CO3 ) 
  University of Arizona Mineral Museum 6965 
  Pryor Mountain, Big Horn County, Montana, USA 
  
           
 
  Calcite R040170 
  Ca(CO3 ) 
  University of Arizona Mineral Museum 13604 
  Peramea, Lerida Province, Catalonia, Spain 
  
           
 
  Calcite R050048 
  Ca(CO3 ) 
  University of Arizona Mineral Museum 14020-93 
  Magdalena, New Mexico, USA 
  
           
 
  Calcite R050009 
  Ca(CO3 ) 
  Eugene Schlepp  
  Amparo mine, Rodeo, Durango, Mexico 
  
           
 
  Calcite R050127 
  Ca(CO3 ) 
  Dave Bunk Minerals  
  Rodeo, Durango, Mexico 
  
           
 
  Calcite R050128 
  Ca(CO3 ) 
  Dave Bunk Minerals  
  Tie Siding, Albany County, Wyoming, USA 
  
           
 
  Calcite R050130 
  Ca(CO3 ) 
  Dave Bunk Minerals  
  Mexico 
  
           
 
  Calcite X050034 
  Ca(CO3 ) 
  Caltech  
  unknown 
  
           
 
  Calcite X050035 
  Ca(CO3 ) 
  G.R. Rossman 178 
  Hilton Deposit, San Diego County, California, USA 
  
           
 
  Calcite R050307 
  Ca(CO3 ) 
  Eugene Schlepp  
  Zaire 
  
           
 
  Calcite R150020 
  Ca(CO3 ) 
  Canan D'Avela  
  Creel, Chihuahua, Mexico 
  
           
 
  Calcite R150075 
  Ca(CO3 ) 
  Michael Scott  
  Montana, USA 
  
           
 
  Calcurmolite R070028 
  (Ca1-x Nax )2 (UO2 )3 (MoO4 )2 (OH)6-x ·nH2 O 
  Michael Scott S105117 
  Gornoe, Transbaikal region, Russia 
  
           
 
  Calderónite R050538 
  Pb2 Fe3+ (VO4 )2 (OH) 
  Andy Anderson  
  Tres de Mayo, Santa Cruz County, Arizona, USA 
  
           
 
  Calderónite R060427 
  Pb2 Fe3+ (VO4 )2 (OH) 
  Michael Scott S100243 
  Las Colmenitas mine, Santa Marta, Badajoz, Extremadura, Spain 
  
           
 
  Caledonite R060506 
  Cu2 Pb5 (SO4 )3 (CO3 )(OH)6  
  Jim Ricker  
  Rowley mine, Maricopa County, Arizona, USA 
  
           
 
  Caledonite R070321 
  Cu2 Pb5 (SO4 )3 (CO3 )(OH)6  
  James Shigley  
  Soda Lake Mountains, near Baker, San Bernardino County, California, USA 
  
           
 
  CaLiBO3 R110010 
  Jin_Xiao Mi  
  Synthetic 
  
           
 
  Callaghanite R050598 
  Cu2 Mg2 (CO3 )(OH)6 ·2H2 O 
  Marcus Origlieri  
  Basic Refractories mine, Gabbs District, Nye County, Nevada, USA 
  
           
 
  Calomel R070370 
  HgCl 
  Michael Scott S101876 
  Lake County, California, USA 
  
           
 
  Calomel R070499 
  HgCl 
  James Shigley  
  Terlingua, Brewster County, Texas, USA 
  
           
 
  Calzirtite R080084 
  Ca2 Zr5 Ti2 O16  
  Luiz Menezes  
  Jacupiranga mine, Cajati, São Paulo, Brazil 
  
           
 
  Camaronesite R150145 
  Fe3+ 2 (PO3 OH)2 (SO4 )(H2 O)4 ·1-2H2 O 
  Robert Jenkins  
  Camarones Valley, Arica Province, Chile 
  
           
 
  Cancrinite R050352 
  (Na,Ca,◻)8 (Al6 Si6 )O24 (CO3 ,SO4 )2 ·2H2 O 
  California Institute of Technology  
  York River, quarry #2, Dungannon Township, Ontario, Canada 
  
           
 
  Cancrinite R100110 
  (Na,Ca,◻)8 (Al6 Si6 )O24 (CO3 ,SO4 )2 ·2H2 O 
  Robert Woodside  
  French River, Ontario, Canada 
  
           
 
  Cancrinite R100111 
  (Na,Ca,◻)8 (Al6 Si6 )O24 (CO3 ,SO4 )2 ·2H2 O 
  Robert Woodside  
  Dennis Hill, Litchfield, Maine, USA 
  
           
 
  Cannizzarite R060609 
  Pb8 Bi10 S23  
  Michael Scott S100973 
  Kudryavy volcano, Iturup, Kuril Islands, Russia 
  
           
 
  Canosioite R220035 
  Ba2 Fe3+ (AsO4 )2 (OH) 
  Fernando Cámara  
  Valletta mine, Maira Valley, Piedmont, Italy 
  
           
 
  Carbonatecyanotrichite R060600 
  Cu4 Al2 (CO3 )(OH)12 ·2H2 O 
  Michael Scott S100800 
  Jomac mine, San Juan County, Utah, USA 
  
           
 
  Caresite R120028 
  Fe2+ 4 Al2 (OH)12 (CO3 )·3H2 O 
  Donald Doell  
  Mont Saint-Hilaire, Rouville County, Québec, Canada 
  
           
 
  Carletonite R050255 
  KNa4 Ca4 Si8 O18 (CO3 )4 (F,OH)·H2 O 
  Marcus Origlieri  
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Carlosbarbosaite R110162 
  (UO2 )2 Nb2 O6 (OH)2 ·2H2 O 
  Luiz Menezes  
  Jaguaracu, Minas Gerais, Brazil 
  
           
 
  Carlosturanite R060259 
  (Mg,Fe2+ ,Ti)21 (Si,Al)12 O28 (OH)34 ·H2 O 
  Michael Scott S100338 
  Val Varaita, near Sempeyre, Piedmont, Italy 
  
           
 
  Carlsonite R220026 
  (NH4 )5 Fe3+ 3 O(SO4 )6 ·7H2 O 
  Rock Currier  
  Burnside, Northumberland Co., Pennsylvania, USA 
  
           
 
  Carminite R050528 
  PbFe3+ 2 (AsO4 )2 (OH)2  
  University of Arizona Mineral Museum 10370 
  Las Animas mine, Benjamin Hill, Sonora, Mexico 
  
           
 
  Carminite R061061 
  PbFe3+ 2 (AsO4 )2 (OH)2  
  Bob Jenkins  
  San Nicolas mine, Badajoz Province, Spain 
  
           
 
  Carnallite R050353 
  KMgCl3 ·6H2 O 
  California Institute of Technology W-22255 
  Strassfurt, Germany 
  
           
 
  Carnallite R070291 
  KMgCl3 ·6H2 O 
  Michael Scott S105209 
  Leopoldshall, Stassfurt, Stassfurt Deposit, Saxony-Anhalt, Germany 
  
           
 
  Carnotite R070160 
  K2 (UO2 )2 (VO4 )2 ·3H2 O 
  James Shigley  
  Montrose County, Colorado, USA 
  
           
 
  Carnotite R070345 
  K2 (UO2 )2 (VO4 )2 ·3H2 O 
  Michael Scott S101755 
  Pick's Delta mine, Delta, Emery County, Utah, USA 
  
           
 
  Carnotite R070647 
  K2 (UO2 )2 (VO4 )2 ·3H2 O 
  Lloyd Twaites  
  Anderson mine, Yavapai County, Arizona, USA 
  
           
 
  Carpathite R060162 
  C24 H12  
  Marcus Origlieri  
  Picacho mine, San Benito County, California, USA 
  
           
 
  Carpathite R060660 
  C24 H12  
  Michael Scott S101203 
  Prospect 500 meters north of Picachos mine, south of New Idria, San Benito County, California, USA 
  
           
 
  Carpholite R060608 
  Mn2+ Al2 Si2 O6 (OH)4  
  Michael Scott S100908 
  Schlaggenwald, Bohemia, Czechoslovakia 
  
           
 
  Carraraite R130410 
  Ca3 Ge(SO4 )(CO3 )(OH)6 ·12H2 O 
  Don Doell  
  Cape d'Or, Cumberland Co., Nova Scotia, Canada 
  
           
 
  Carrollite R040165 
  CuCo2 S4  
  University of Arizona Mineral Museum 12197 
  Katanga, Democratic Republic of the Congo 
  
           
 
  Carrollite R050089 
  CuCo2 S4  
  Rock Currier  
  Kambove, Katanga, Democratic Republic of the Congo 
  
           
 
  Carrollite R130024 
  CuCo2 S4  
  Isabel Fay  
  Kisanfu, Katanga, Democratic Republic of the Congo 
  
           
 
  Caryinite R060663 
  NaCaCaMn2 (AsO4 )3  
  Michael Scott S101279 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Caryochroite R070008 
  (Na,Sr)3 (Fe3+ ,Mg)10 Ti2 Si12 O37 (H2 O,O,OH)17  
  Michael Scott S100962 
  Umbozero mine, Alluaiv Mt., Lovozero massif, Kola Peninsula, Russia 
  
           
 
  Caryopilite R070180 
  Mn2+ 3 Si2 O5 (OH)4  
  Michael Scott S102435 
  Gambatesa Mine, Graveglia Valley, Ne, Genova Province, Liguria, Italy 
  
           
 
  Cascandite R061048 
  CaScSi3 O8 (OH) 
  Michael Scott S101434 
  Seula Quarry, Baveno, Verbano-Cusio-Ossola, Piedmont, Italy 
  
           
 
  Cassiterite R040017 
  SnO2  
  University of Arizona Mineral Museum 1647 
  Bolivia 
  
           
 
  Cassiterite R040072 
  SnO2  
  University of Arizona Mineral Museum 1612 
  Bolivia 
  
           
 
  Cassiterite R050502 
  SnO2  
  California Institute of Technology W-20696 
  Redruth, Cornwall, England 
  
           
 
  Cassiterite R060563 
  SnO2  
  Gemological Institute of America 17 
  unknown 
  
           
 
  Castellaroite R220036 
  Mn2+ 3 (AsO4 )2 ·4.5H2 O 
  Tony Kampf  
  Monte Nero mine, Rocchetta Vara, La Spezia, Liguria, Italy 
  
           
 
  Castellaroite R220037 
  Mn2+ 3 (AsO4 )2 ·4.5H2 O 
  Tony Kampf  
  Valletta mine, Canosio, Cuneo, Piedmont, Italy 
  
           
 
  Catapleiite R040005 
  Na2 Zr(Si3 O9 )·2H2 O 
  University of Arizona Mineral Museum 16090 
  Langesundsfjord Eikaholmen Vestfold, Norway 
  
           
 
  Catapleiite R060198 
  Na2 Zr(Si3 O9 )·2H2 O 
  Royal Ontario Museum M49592 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Catapleiite R060208 
  Na2 Zr(Si3 O9 )·2H2 O 
  Royal Ontario Museum M49584 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Cattierite R061039 
  CoS2  
  Michael Scott S101473 
  Shinkolobwe, Belgian Congo 
  
           
 
  Cavansite R050400 
  Ca(V4+ O)(Si4 O10 )·4H2 O 
  Eugene Schlepp  
  Poona, India 
  
           
 
  Caysichite-(Y) R080143 
  (Ca,Yb,Er)4 Y4 (Si8 O20 )(CO3 )6 (OH)·7H2 O 
  Mark Feinglos  
  Mt. Malos, Zomba District, Malawi 
  
           
 
  Cebaite-(Ce) R060248 
  Ba3 Ce2 (CO3 )5 F2  
  William W. Pinch  
  Baiyun-Obo mine, Inner Mongolia, China 
  
           
 
  Čechite R070363 
  PbFe2+ (VO4 )(OH) 
  Michael Scott S102426 
  Alexander mine, Vrancice, Příbram, Central Bohemia Region, Bohemia, Czech Republic 
  
           
 
  Čechite R170047 
  PbFe2+ (VO4 )(OH) 
  Joan Rosell, Tariq Jawhari, Jordi Ibáñez and Xavier Llovet (CCiTUB Barcelona)  
  Maria Magdalena mine, Ulldemolins, Priorat, Tarragona, Catalonia, Spain 
  
           
 
  Celestine R040007 
  Sr(SO4 ) 
  University of Arizona Mineral Museum 12000 
  Coahuila, Mexico 
  
           
 
  Celestine R050008 
  Sr(SO4 ) 
  Eugene Schlepp  
  Scofield Quarry, Maybee, Monroe County, Michigan, USA 
  
           
 
  Celsian R060152 
  Ba(Al2 Si2 O8 ) 
  Marcus Origlieri  
  Benallt mine, Lleyn, Wales 
  
           
 
  Celsian R060460 
  Ba(Al2 Si2 O8 ) 
  Michael Scott S100101 
  Benallt mine, Rhiw, Leyen Peninsula, Caernarvonshire, Wales 
  
           
 
  Celsian R170048 
  Ba(Al2 Si2 O8 ) 
  Gunnar Färber  
  Big Creek, Pine Flat Lake, Trimmer, Fresno County, California, USA 
  
           
 
  Centennialite R141189 
  CaCu3 Cl2 (OH)6 ·nH2 O (n ~ 0.7) 
  University of Arizona Mineral Museum 8789 
  4800' level, Centennial mine, Michigan, USA 
  
           
 
  Cerianite-(Ce) R050379 
  CeO2  
  University of Arizona Mineral Museum 16081 
  Sierra de Bermejillo, Durango, Mexico 
  
           
 
  Cerite-(CeCa) R060708 
  (Ce7 Ca2 )◻Mg(SiO4 )3 (SiO3 OH)4 (OH)3  
  Bob Jenkins  
  Bastnas, Riddarhyttan, Sweden 
  
           
 
  Cerite-(CeCa) R130614 
  (Ce7 Ca2 )◻Mg(SiO4 )3 (SiO3 OH)4 (OH)3  
  Don Doell  
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Černýite R070179 
  Cu2 CdSnS4  
  Michael Scott S102410 
  Hugo mine, Keystone, Keystone District, Pennington County, South Dakota, USA 
  
           
 
  Ceruleite R060261 
  CuAl4 (AsO4 )2 (OH)8 (H2 O)4  
  Michael Scott S100068 
  Emma Luisa Gold mine, Huanaco, Taltal Province, Chile 
  
           
 
  Cerussite R040069 
  Pb(CO3 ) 
  University of Arizona Mineral Museum 4206 
  Broken Hill, New South Wales, Australia 
  
           
 
  Cerussite R050011 
  Pb(CO3 ) 
  Eugene Schlepp  
  Daoping Lead and Zinc mine, Gongcheng, Guangxi, China 
  
           
 
  Cerussite R050023 
  Pb(CO3 ) 
  Eugene Schlepp  
  Mammoth - St Anthony mine, Tiger, Pinal County, Arizona, USA 
  
           
 
  Cerussite R050174 
  Pb(CO3 ) 
  Marcus Origlieri  
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Cerussite R050298 
  Pb(CO3 ) 
  Eugene Schlepp  
  Bunker Hill mine, Shoshone County, Idaho, USA 
  
           
 
  Cerussite R060017 
  Pb(CO3 ) 
  American Museum of Natural History 34137 
  Gonessa, Sardinia, Italy 
  
           
 
  Cervandonite-(Ce) R110070 
  (Ce,Nd,La)(Fe3+ ,Ti,Fe2+ ,Al)3 O2 (Si2 O7 )1-x+y (AsO3 )1+x-y (OH)3x-3y  
  Renato & Adriana Pagano  
  Monte Cervandone, Val d'Ossola, Piedmont, Italy 
  
           
 
  Cervantite R060667 
  Sb3+ Sb5+ O4  
  Michael Scott S101322 
  Touliac, Cantal, France 
  
           
 
  Cervantite R070420 
  Sb3+ Sb5+ O4  
  Rafael Barboza  
  Wadley District, Catorce Mountains, San Luis Potosi, Mexico 
  
           
 
  Cesbronite R070198 
  Cu3 Te6+ O4 (OH)4  
  Michael Scott S101825 
  Bambollita mine, Moctezuma, Municipio de Moctezuma, Sonora, Mexico 
  
           
 
  Cesbronite R080003 
  Cu3 Te6+ O4 (OH)4  
  William Pinch  
  Montezuma mine, Sonora, Mexico 
  
           
 
  Chabazite-Ca R050014 
  Ca2 [Al4 Si8 O24 ]·13H2 O 
  University of Arizona Mineral Museum 13680 
  Tablo Mountain, Baja California, Mexico 
  
           
 
  Chabazite-Ca R050075 
  Ca2 [Al4 Si8 O24 ]·13H2 O 
  Rock Currier  
  Victoria, Australia 
  
           
 
  Chabazite-Ca R061096 
  Ca2 [Al4 Si8 O24 ]·13H2 O 
  Michael Scott S102420 
  Tyul'bnyunuai Valley, Lovosero, Kola Pen, Russia 
  
           
 
  Chabazite-Ca R070353 
  Ca2 [Al4 Si8 O24 ]·13H2 O 
  Michael Scott S104696 
  Maze, Niigata perfecture, Japan 
  
           
 
  Chabazite-K R120032 
  (K2 NaCa0.5 )[Al4 Si8 O24 ]·11H2 O 
  Donald Doell  
  Kirovskii mine, Rasvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast, Northern Region, Russia 
  
           
 
  Chabazite-Na R061095 
  (Na3 K)[Al4 Si8 O24 ]·11H2 O 
  Michael Scott S102419 
  Vaitape, Bora Bora, French Polynesia 
  
           
 
  Chabazite-Na R070440 
  (Na3 K)[Al4 Si8 O24 ]·11H2 O 
  Michael Scott S102422 
  Faraglione dei Ciclopi, Aci Castello, Catania Province, Sicily, Italy 
  
           
 
  Chabournéite R070371 
  Agz Tl8-x-z Pb4+2x Sb40-x-y Asy S68  (with 0.00 ≤ x ≤ 0.40, 16.15 ≤ y ≤ 19.11, 0.04 ≤ z ≤ 0.11) 
  Michael Scott S101941 
  Jas Roux, Pelvoux Mt., Valgaudemar, Hautes-Alpes, Provence-Alpes-Côte d'Azur, France 
  
           
 
  Chabournéite R140106 
  Agz Tl8-x-z Pb4+2x Sb40-x-y Asy S68  (with 0.00 ≤ x ≤ 0.40, 16.15 ≤ y ≤ 19.11, 0.04 ≤ z ≤ 0.11) 
  Rock Currier  
  Jas Roux, La Chapelle En Valgaudemard, Hautes-Alpes, Provence-Alpes-Côte D'Azur, France 
  
           
 
  Chalcanthite R050293 
  Cu(SO4 )·5H2 O 
  George Godas, John Callahan  
  79 mine, 4th level, Hayden, Gila County, Arizona, USA 
  
           
 
  Chalcanthite R050354 
  Cu(SO4 )·5H2 O 
  California Institute of Technology W-3954 
  Utah, USA 
  
           
 
  Chalcanthite R060018 
  Cu(SO4 )·5H2 O 
  American Museum of Natural History 25040 
  Chuquicamata, Chile 
  
           
 
  Chalcanthite R060102 
  Cu(SO4 )·5H2 O 
  Jacque Reynard, Greg Schmidt  
  synthetic 
  
           
 
  Chalcoalumite R060752 
  CuAl4 (SO4 )(OH)12 ·3H2 O 
  Bob Jenkins  
  Bisbee, Arizona, USA 
  
           
 
  Chalcocite R050067 
  Cu2 S 
  Rock Currier  
  Flambeau, Rusk County, Wisconsin, USA 
  
           
 
  Chalcocite R070730 
  Cu2 S 
  Michael Scott S102930 
  La Mesa, Chihuahua, Mexico 
  
           
 
  Chalcocite R120090 
  Cu2 S 
  William W Pinch  
  Tsumeb, Namibia 
  
           
 
  Chalcocite R120113 
  Cu2 S 
  Rob Lavinsky  
  Tsumeb, Namibia 
  
           
 
  Chalcocite R130757 
  Cu2 S 
  Rob Lavinsky  
  China 
  
           
 
  Chalcomenite R060586 
  Cu(Se4+ O3 )·2H2 O 
  Michael Scott S100185 
  El Dragon mine, Potosi, Bolivia 
  
           
 
  Chalcomenite R100123 
  Cu(Se4+ O3 )·2H2 O 
  William W. Pinch  
  Baccu Locci mine, Villaputen, Sardinia 
  
           
 
  Chalconatronite R070366 
  Na2 Cu(CO3 )2 ·3H2 O 
  Michael Scott S101835 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Chalconatronite R160004 
  Na2 Cu(CO3 )2 ·3H2 O 
  Danielle Sotomayor and Keith Wentz  
  Rowley mine, Maricopa County, Arizona, USA 
  
           
 
  Chalcophanite R050451 
  ZnMn4+ 3 O7 ·3H2 O 
  University of Arizona Mineral Museum 12296 
  Morenci mine, Morenci, Greenlee County, Arizona, USA 
  
           
 
  Chalcophanite R050605 
  ZnMn4+ 3 O7 ·3H2 O 
  University of Arizona Mineral Museum  
  Mina Ojuela, Mapimi, Durango, Mexico 
  
           
 
  Chalcophanite R060271 
  ZnMn4+ 3 O7 ·3H2 O 
  Michael Scott S100176 
  "Glory Hole", Gold Hill mine, Tooele County, Utah, USA 
  
           
 
  Chalcophyllite R060702 
  Cu18 Al2 (AsO4 )4 (SO4 )3 (OH)24 ·36H2 O 
  Bob Jenkins  
  Majuba Hill, Pershing County, Nevada, USA 
  
           
 
  Chalcopyrite R050018 
  CuFeS2  
  Eugene Schlepp  
  Sudbury, Ontario, Canada 
  
           
 
  Chalcopyrite R050208 
  CuFeS2  
  Lloyd Twaites  
  Kidd Creek mine, Timmins, Ontario, Canada 
  
           
 
  Chalcopyrite R050222 
  CuFeS2  
  Bob Downs  
  Iron Cap mine, Landsman Camp, Graham County, Arizona, USA 
  
           
 
  Chalcopyrite R050559 
  CuFeS2  
  Dave Bunk Minerals  
  Recuerdo Vein, Haunzala mine, Huallanca District, Dos de Mayo Province, Huanuco Department, Peru 
  
           
 
  Chalcosiderite R060007 
  CuFe3+ 6 (PO4 )4 (OH)8 ·4H2 O 
  William W. Pinch, Bob Jenkins  
  Cerro Negro mine, Carrizalillo, Chile 
  
           
 
  Chalcosiderite R060339 
  CuFe3+ 6 (PO4 )4 (OH)8 ·4H2 O 
  Michael Scott S100184 
  Gunheath Pit, St. Austell, Cornwall, England 
  
           
 
  Chalcostibite R060262 
  CuSbS2  
  Michael Scott S100331 
  Rar el Anz, Wadi of Cherrat, east of Casablanca, Morocco 
  
           
 
  Chambersite R050337 
  Mn3 B7 O13 Cl 
  University of Arizona Mineral Museum 11445 
  Barber's Hill salt dome, Mont Belvieu, Chambers County, Texas, USA 
  
           
 
  Chambersite R060425 
  Mn3 B7 O13 Cl 
  Michael Scott S100076 
  Venice Dome, Plaquemines Parish, Louisiana, USA 
  
           
 
  Chamosite R060188 
  (Fe2+ ,Mg,Al,Fe3+ )6 (Si,Al)4 O10 (OH,O)8  
  Lloyd Twaites  
  Slesse Creek, Chilliwack, British Columbia, Canada 
  
           
 
  Chamosite R070728 
  (Fe2+ ,Mg,Al,Fe3+ )6 (Si,Al)4 O10 (OH,O)8  
  Michael Scott S103487 
  Mount Shasta, Michigamme, Michigan, USA 
  
           
 
  Changoite R110213 
  Na2 Zn(SO4 )2 ·4H2 O 
  Gunnar Farber  
  La Compania mine, Caracoles, Sierra Gorda, II Region, Atacama Desert, Chile 
  
           
 
  Chapmanite R060910 
  Fe3+ 2 Sb3+ (Si2 O5 )O3 (OH) 
  Royal Ontario Museum M14075 
  Cobalt, Ontario, Canada 
  
           
 
  Charoite R060376 
  (K,Sr,Ba,Mn)15-16 (Ca,Na)32 [Si70 (O,OH)180 ](OH,F)4 ·nH2 O 
  Michael Scott S100019 
  Chara River area, Murun Massif, northwest Aldan, Siberia, U.S.S.R. 
  
           
 
  Charoite R060557 
  (K,Sr,Ba,Mn)15-16 (Ca,Na)32 [Si70 (O,OH)180 ](OH,F)4 ·nH2 O 
  Gemological Institute of America 32163 
  Russia 
  
           
 
  Chayesite R080059 
  KMg4 Fe3+ [Si12 O30 ] 
  Michael Scott S101274 
  Pauliberg by Landsee, Burgenland, Austria 
  
           
 
  Chayesite R070367 
  KMg4 Fe3+ [Si12 O30 ] 
  Michael Scott S100519 
  Moon Canyon, Woodland, Summit County, Utah, USA 
  
           
 
  Chenevixite R040166 
  CuFe3+ (AsO4 )(OH)2  
  Andy Anderson  
  Volcanic Sunnyside mine, Santa Cruz County, Arizona, USA 
  
           
 
  Chenevixite R100177 
  CuFe3+ (AsO4 )(OH)2  
  Joe Ruiz  
  Patagonia Mountains, Harshaw District, Santa Cruz County, Arizona 
  
           
 
  Chenite R130276 
  CuPb4 (SO4 )2 (OH)6  
  Rock Currier  
  Silbershulte, Altenau, Harz Mountains, Germany 
  
           
 
  Chenite R130278 
  CuPb4 (SO4 )2 (OH)6  
  Neil Hubbard  
  Haltcliff Smelter, Caldbeck Fells, Cumbria, England 
  
           
 
  Chernovite-(Y) R070368 
  Y(AsO4 ) 
  Michael Scott S100535 
  Squaw Creek mine, Taylor Creek Tin District (Black Range Tin District), Sierra County, New Mexico, USA 
  
           
 
  Chervetite R080096 
  Pb2 V5+ 2 O7  
  William W. Pinch  
  Franceville, Gabon, Africa 
  
           
 
  Chesnokovite R070234 
  Na2 SiO2 (OH)2 ·8H2 O 
  Michael Scott S100431 
  Kedykverpakhk Mt, Lovozero Massif, Kola Peninsula, Murmanskaya Oblast'; Northern Region, Russia 
  
           
 
  Chestermanite R070351 
  Mg2 (Fe3+ ,Mg,Al,Sb5+ )O2 (BO3 ) 
  Michael Scott S100529 
  Twin Lakes region, Kaiser Peak quadrangle, Fresno County, California, USA 
  
           
 
  Chevkinite-(Ce) R060282 
  Ce4 (Ti,Fe2+ ,Fe3+ )5 O8 (Si2 O7 )2  
  Herb Obodda 093 
  Arondu, Basha Valley, Baltistan, Pakistan 
  
           
 
  Chevkinite-(Ce) R060419 
  Ce4 (Ti,Fe2+ ,Fe3+ )5 O8 (Si2 O7 )2  
  Herb Obodda 110 
  Arondu, Basha Valley, Baltistan, Pakistan 
  
           
 
  Chiavennite R070349 
  CaMn2+ (BeOH)2 Si5 O13 ·2H2 O 
  Michael Scott S104801 
  Tvedalen, Larvik, Vestfold, Norway 
  
           
 
  Childrenite R060146 
  Fe2+ Al(PO4 )(OH)2 ·H2 O 
  Marcus Origlieri  
  George and Charlotte mine, Tavistock, Devon, England 
  
           
 
  Childrenite R070538 
  Fe2+ Al(PO4 )(OH)2 ·H2 O 
  James Shigley  
  Llallagua, Bustillos Province, Potosi, Bolivia 
  
           
 
  Chiolite R050412 
  Na5 Al3 F14  
  G.R. Rossman MK299 
  Ivigtut cryolite deposit, Arsuk Fjord, Greenland 
  
           
 
  Chistyakovaite R070024 
  Al(UO2 )2 (AsO4 )2 F·6.5H2 O 
  Michael Scott S105087 
  Bota-Burum U deposit, Kazakhstan 
  
           
 
  Chkalovite R060682 
  Na2 BeSi2 O6  
  Michael Scott S101378 
  Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Chlorapatite R060192 
  Ca5 (PO4 )3 Cl 
  Luiz Menezes  
  Parelhas, Rio Grande de Norte, Brazil 
  
           
 
  Chlorargyrite R050360 
  AgCl 
  University of Arizona Mineral Museum 13643 
  Broken Hill, New South Wales, Australia 
  
           
 
  Chlorartinite R060878 
  Mg2 (CO3 )Cl(OH)·2.5H2 O 
  Michael Scott S100952 
  500m level, Quarry of Udachnaya-Vostochnaya pipe, Yakutia, Russia 
  
           
 
  Chlorbartonite R070178 
  K6 Fe24 S26 Cl 
  Michael Scott S100508 
  Coyote Peak, Orick, Humboldt County, California, USA 
  
           
 
  Chlorbartonite R070369 
  K6 Fe24 S26 Cl 
  Michael Scott S104805 
  Koashva Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Chloritoid R050334 
  Fe2+ Al2 O(SiO4 )(OH)2  
  George Rossman 2341 
  Selçuk, Mugla Province, Turkey 
  
           
 
  Chloritoid R060292 
  Fe2+ Al2 O(SiO4 )(OH)2  
  Herb Obodda 080 
  Pech, Kunar Province, Afghanistan 
  
           
 
  Chlormayenite R130063 
  Ca12 Al14 O32 [◻4 Cl2 ] 
  Chi Ma  
  Northwest Africa (NWA) 1934 meteorite 
  
           
 
  Chlorophoenicite R140135 
  (Mn,Mg,Zn)3 Zn2 (AsO4 )(OH,O)6  
  Rock Currier  
  Franklin, Franklin Mining District, Sussex County, New Jersey, USA 
  
           
 
  Chloroquine diphosphate D120013 
  David Blake  
  Synthetic from Sigma 
  
           
 
  Chloroxiphite R060267 
  Pb3 CuO2 Cl2 (OH)2  
  Michael Scott S100325 
  Merehead Quarry, Mendips, Somerset, England 
  
           
 
  Choloalite R070140 
  (Pb,Ca)3 (Cu,Sb)3 Te6 O18 Cl 
  Michael Scott S104811 
  McAlpine Mine, Moccasin, Tuolumne County, California, USA 
  
           
 
  Choloalite R180017 
  (Pb,Ca)3 (Cu,Sb)3 Te6 O18 Cl 
  Mark Feinglos  
  Bambollita mine, Moctezuma, Sonora, Mexico 
  
           
 
  Chondrodite R040016 
  Mg5 (SiO4 )2 F2  
  University of Arizona Mineral Museum 4521 
  Vastmanland, Kafveltorp, Sweden 
  
           
 
  Chondrodite R110158 
  Mg5 (SiO4 )2 F2  
  Marcus Origlieri  
  Pein Pyit, Mogok, Mandalay Division, Burma 
  
           
 
  Christelite R060792 
  Zn3 Cu2 (SO4 )2 (OH)6 ·4H2 O 
  Bob Jenkins  
  San Francisco mine, Sierra Gorda, Chile 
  
           
 
  Christofschäferite-(Ce) R141090 
  (Ce,La,Ca)4 Mn(Ti,Fe)3 (Fe,Ti)(Si2 O7 )2 O8  
  Ch. and H. Schäfer  
  Wingertsberg pumice quarry, Laach lake volcano, Mendig, Eifel, Germany 
  
           
 
  Chromatite R130086 
  CaCr6+ O4  
  Jessy Gillot (Laboratory Manager Imaging & Microstructural Analysis, Saint-Gobain Recherche, France)  
  Synthetic 
  
           
 
  Chromite R110059 
  Fe2+ Cr2 O4  
  James Shigley  
  Mount Diablo, Contra Costa County, California, USA 
  
           
 
  Chromite R110060 
  Fe2+ Cr2 O4  
  James Shigley  
  Pilliken mine, south of Auburn, El Dorado County, California, USA 
  
           
 
  Chrysoberyl R040073 
  BeAl2 O4  
  University of Arizona Mineral Museum 195 
  Brazil 
  
           
 
  Chrysoberyl X050037 
  BeAl2 O4  
  RD Shannon 56163- 42 
  synthetic 
  
           
 
  Chrysoberyl R080110 
  BeAl2 O4  
  Shinichi Kihara  
  Ratonapura, Sri Lanka 
  
           
 
  Chrysoberyl X080002 
  BeAl2 O4  
  Gemological Institute of America 37457 
  Synthetic 
  
           
 
  Chrysoberyl X080004 
  BeAl2 O4  
  Gemological Institute of America 17018 
  Synthetic 
  
           
 
  Chrysoberyl R100130 
  BeAl2 O4  
  William W. Pinch  
  Ratnapura district, Sri Lanka 
  
           
 
  Chrysoberyl R110103 
  BeAl2 O4  
  Gemological Institute of America 10-12-2010-8 
  Synthetic 
  
           
 
  Chrysoberyl R110114 
  BeAl2 O4  
  Gemological Institute of America 10-12-2010-19 
  Synthetic 
  
           
 
  Chrysoberyl P000032 
  BeAl2 O4  
  ScottLab P000032 
  Virtual 
  
           
 
  Chrysocolla R050053 
  (Cu2-x Alx )H2-x Si2 O5 (OH)4 ·nH2 O 
  University of Arizona Mineral Museum 12921 
  Pima open pit, Pima County, Arizona, USA 
  
           
 
  Chrysocolla R060547 
  (Cu2-x Alx )H2-x Si2 O5 (OH)4 ·nH2 O 
  Gemological Institute of America 12169 
  unknown 
  
           
 
  Chrysotile R070088 
  Mg3 Si2 O5 (OH)4  
  Lloyd Twaites LT608 
  Cassiar Asbestos mine, Cassiar, British Columbia, Canada 
  
           
 
  Chrysotile R070355 
  Mg3 Si2 O5 (OH)4  
  Michael Scott S105818 
  Nizhniy Tagil, Ural, Russia 
  
           
 
  Chukhrovite-(Ca) R130040 
  Ca3 Ca1.5 Al2 (SO4 )F13 ·12H2 O 
  Frederic Hatert  
  Val Cavallizza Pb–Zn–Ag mine, Cuasso al Monte, Varese province, Italy 
  
           
 
  Chukhrovite-(Nd) R060601 
  Ca3 NdAl2 (SO4 )F13 ·12H2 O 
  Michael Scott S101019 
  Kara-Oba tungsten deposit, Betpakdala desert, Kazakhstan 
  
           
 
  Churchite-(Y) R050421 
  Y(PO4 )·2H2 O 
  Marcus Origlieri  
  Vesuvius, Virginia, USA 
  
           
 
  Churchite-(Y) R060424 
  Y(PO4 )·2H2 O 
  Michael Scott S100069 
  Indian Mountain, Cherokee County, Alabama, USA 
  
           
 
  Cianciulliite R150124 
  Mg2 Mn2+ Zn2 (OH)10 ·2-4H2 O 
  Van King  
  Franklin Mine, Franklin, Sussex Co., New Jersey, USA 
  
           
 
  Cinnabar R050072 
  HgS 
  Rock Currier  
  Gui Zhu, Hunan Province, China 
  
           
 
  Cinnabar R070532 
  HgS 
  James Shigley  
  Charcas, San Luis Potosi, Mexico 
  
           
 
  Claraite R110020 
  (Cu,Zn)15 (CO3 )4 (AsO4 )2 (SO4 )(OH)14 ·7H2 O 
  Bob Jenkins  
  Sommerau District, Brixlegg - Rattenberg, Brixlegg - Schwaz area, Inn valley, North Tyrol, Tyrol, Austria 
  
           
 
  Claringbullite R090014 
  Cu2+ 4 FCl(OH)6  
  Marcus Origlieri  
  Mina Ojuela, Mapimí, Durango, Mexico 
  
           
 
  Claringbullite R090016 
  Cu2+ 4 FCl(OH)6  
  William W. Pinch  
  Copper Queen Mine, Bisbee, Arizona 
  
           
 
  Claudetite R050313 
  As2 O3  
  University of Arizona Mineral Museum 16128 
  Jáchymov, Erzgebirge Region, Czech Republic 
  
           
 
  Clausthalite R070169 
  PbSe 
  Michael Scott S103945 
  Colquechaca, Chayanta Province, Potosí Department, Bolivia 
  
           
 
  Cleusonite R061019 
  Pb(U4+ ,U6+ )Fe2+ 2 (Ti,Fe2+ ,Fe3+ )18 (O,OH)38  
  Michael Scott S101386 
  Bella Tola, Alpe Roua, St-Luc, Val d'Annivers, Wallis 
  
           
 
  Cliffordite R070407 
  UTe4+ 3 O9  
  Michael Scott S104745 
  Bambollita mine (Oriental mine), Moctezuma, Municipio de Moctezuma, Sonora, Mexico 
  
           
 
  Clinoatacamite R061066 
  Cu2 Cl(OH)3  
  Bob Jenkins  
  Esperanza mine, Diego de Almagro, Chile 
  
           
 
  Clinoatacamite R090062 
  Cu2 Cl(OH)3  
  William W. Pinch  
  Copper Queen Mine, Bisbee, Arizona 
  
           
 
  Clinoatacamite R100198 
  Cu2 Cl(OH)3  
  Bob Jenkins  
  La Vendida mine, Caracoles, Sierra Gorda District, Tocopilla Province, Antofagasta Region, Chile 
  
           
 
  Clinoatacamite R141083 
  Cu2 Cl(OH)3  
  Marcus Origlieri  
  Lily mine, Ica Region, Peru 
  
           
 
  Clinobisvanite R070401 
  Bi(VO4 ) 
  Michael Scott S104748 
  Linka mine (Garnetite mine), Spencer Hot Springs District, Lander County, Nevada, USA 
  
           
 
  Clinocervantite R070385 
  Sb3+ Sb5+ O4  
  Michael Scott S104750 
  Le Cetine di Cotorniano Mine (Le Cetine Mine; Cetine Mine; Rosia), Chiusdino, Siena Province, Tuscany, Italy 
  
           
 
  Clinochalcomenite R110125 
  CuSe4+ O3 ·2H2 O 
  Royal Ontario Museum  
  El Dragon mine, Potosi, Bolivia 
  
           
 
  Clinochlore R060725 
  Mg5 Al(AlSi3 O10 )(OH)8  
  Bob Jenkins  
  Crestmore Quarry, Riverside, California, USA 
  
           
 
  Clinochlore R061080 
  Mg5 Al(AlSi3 O10 )(OH)8  
  Lloyd Twaites LT 1538 
  Callaghan Creek, Whistler, British Columbia, Canada 
  
           
 
  Clinochlore R150146 
  Mg5 Al(AlSi3 O10 )(OH)8  
  Leor Goldberg  
  Kop Dağı, Erzurum, Turkey 
  
           
 
  Clinoclase R050659 
  Cu3 (AsO4 )(OH)3  
  University of Arizona Mineral Museum 7906 
  Carissa mine, Tintic District, Utah, USA 
  
           
 
  Clinoclase R070092 
  Cu3 (AsO4 )(OH)3  
  James Shigley  
  Majuba Hill, Antelope District, Pershing County, Nevada, USA 
  
           
 
  Clinoenstatite X050038 
  Mg2 Si2 O6  
  G.R. Rossman 1654 
  Bonin Island, Japan 
  
           
 
  Clinoenstatite R070276 
  Mg2 Si2 O6  
  Juergen Konzett  
  Synthetic, at 15 GPa and 1600 C by Juergen Konzett 
  
           
 
  Clinofergusonite-(Ce) R070225 
  CeNbO4  
  Michael Scott S105092 
  Hongcheon, Kangwon-Do Province, Korea 
  
           
 
  Clinofergusonite-(Ce) R070300 
  CeNbO4  
  Michael Scott S105149 
  Amherst County, Virginia, USA 
  
           
 
  Clinofergusonite-(Ce) R080102 
  CeNbO4  
  Michael Scott S105149 
  Amherst County, Virginia, USA 
  
           
 
  Clinofergusonite-(Y) R070600 
  YNbO4  
  James Shigley  
  Arendal, Aust-Agder, Norway 
  
           
 
  Clinofergusonite-(Y) R080103 
  YNbO4  
  James Shigley  
  Arendal, Aust-Agder, Norway 
  
           
 
  Clinoferroholmquistite R110165 
  ◻Li2 [Fe2+ 3 Al2 ]Si8 O22 (OH,F)2  
  Donald V Doell  
  Quebec Lithium Corporation mine, La Corne, Abitibi RCM, Abitibi-Témiscamingue, Québec, Canada 
  
           
 
  Clinoferrosilite R141085 
  Fe2+ 2 Si2 O6  
  Ch. and H. Schäfer  
  Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany 
  
           
 
  Clinohedrite R050416 
  CaZn(SiO4 )·H2 O 
  Marcus Origlieri  
  Franklin, Sussex County, New Jersey, USA 
  
           
 
  Clinohedrite R120105 
  CaZn(SiO4 )·H2 O 
  Bob Jenkins  
  Christmas mine, Christmas, Gila County, Arizona, USA 
  
           
 
  Clinohumite R040122 
  Mg9 (SiO4 )4 F2  
  University of Arizona Mineral Museum 13620 
  Anzahamazonono,  Madagascar 
  
           
 
  Clinohumite R050183 
  Mg9 (SiO4 )4 F2  
  Marcus Origlieri  
  Pein Pyit, Mogok, Burma 
  
           
 
  Clinohumite X050039 
  Mg9 (SiO4 )4 F2  
  Caltech  
  
           
 
  Clinohumite R060559 
  Mg9 (SiO4 )4 F2  
  Gemological Institute of America 32060 
  Tadjikistan 
  
           
 
  Clinohumite R070561 
  Mg9 (SiO4 )4 F2  
  www.multicolour.com  
  Unknown 
  
           
 
  Clinophosinaite R070202 
  Na3 Ca(SiO3 )(PO4 ) 
  Michael Scott S100441 
  Tsentrainly mine, Rasvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Clinoptilolite-Ca R060662 
  Ca3 (Si30 Al6 )O72 ·20H2 O 
  Michael Scott S101212 
  Succor Creek, Malheur County, Oregon, USA 
  
           
 
  Clinoptilolite-Ca R061098 
  Ca3 (Si30 Al6 )O72 ·20H2 O 
  Michael Scott S102070 
  Fish Creek Quarry, Clackamas River, Estacada, Clackamas County, Oregon, USA 
  
           
 
  Clinoptilolite-K R110201 
  K6 (Si30 Al6 )O72 ·20H2 O 
  Donald Doell  
  Conejo Volcanics, Agoura, Santa Monica Mountains, Los Angeles County, California, USA 
  
           
 
  Clinoptilolite-Na R061099 
  Na6 (Si30 Al6 )O72 ·20H2 O 
  Michael Scott S102073 
  Richardson Ranch, Madras, Jefferson County, Oregon, USA 
  
           
 
  Clinosafflorite R130389 
  CoAs2  
  Rock Currier  
  Ahrbar, Bou Azzer, Morocco 
  
           
 
  Clinozoisite R040085 
  Ca2 Al3 [Si2 O7 ][SiO4 ]O(OH) 
  University of Arizona Mineral Museum 8562 
  Alamos, Sonora, Mexico 
  
           
 
  Clinozoisite R060284 
  Ca2 Al3 [Si2 O7 ][SiO4 ]O(OH) 
  Herb Obodda 054 
  near Zagi Mountain, Khaffor Dehri, North-West Frontier Province, Pakistan 
  
           
 
  Clintonite R070196 
  CaAlMg2 (SiAl3 O10 )(OH)2  
  California Institute of Technology CIT-2538 
  Crestmore, Riverside County, California, USA 
  
           
 
  Clintonite R070197 
  CaAlMg2 (SiAl3 O10 )(OH)2  
  California Institute of Technology CIT-5324 
  Crestmore Quarry, Riverside County, California, USA 
  
           
 
  Clintonite R070229 
  CaAlMg2 (SiAl3 O10 )(OH)2  
  Michael Scott S102005 
  Amity, Warwick Township, Orange County, New York, USA 
  
           
 
  Coalingite R110196 
  Mg10 Fe3+ 2 (CO3 )(OH)24 ·2H2 O 
  James Shigley  
  San Benito County, California (about 35 miles NW of Coalinga), USA 
  
           
 
  Coalingite R110197 
  Mg10 Fe3+ 2 (CO3 )(OH)24 ·2H2 O 
  Donald Doell  
  Hunting Hill quarry, Rockville, Montgomery County, Maryland, USA 
  
           
 
  Cobaltarthurite R070224 
  CoFe3+ 2 (AsO4 )2 (OH)2 ·4H2 O 
  Michael Scott S100456 
  Dolores prospect, Pastrana, Mazarrón-Aguilas, Murcia, Spain 
  
           
 
  Cobaltaustinite R050536 
  CaCo(AsO4 )(OH) 
  University of Arizona Mineral Museum 16265 
  Dome Rock, Mingary, South Australia, Australia 
  
           
 
  Cobaltite R060907 
  CoAsS 
  Royal Ontario Museum M52498 
  Espanola, Ontario, Canada 
  
           
 
  Cobaltite R070372 
  CoAsS 
  Royal Ontario Museum M11824 
  Hakansboda, Vastmanland, Sweden 
  
           
 
  Cobaltite R100119 
  CoAsS 
  Robert Woodside  
  Deerhorn mine, Cobalt, Ontario, Canada 
  
           
 
  Cobaltlotharmeyerite R070400 
  CaCo2 (AsO4 )2 ·2H2 O 
  Michael Scott S102006 
  Roter Berg District, Schneeberg District, Erzgebirge, Saxony, Germany 
  
           
 
  Cobaltomenite R070352 
  Co(Se4+ O3 )·2H2 O 
  Michael Scott S102060 
  Temple Mountain, San Rafael District (San Rafael Swell), Emery County, Utah, USA 
  
           
 
  Cobaltomenite R110040 
  Co(Se4+ O3 )·2H2 O 
  William W Pinch  
  Musonoi mine extension, Kolwezi, Katanga, Congo 
  
           
 
  Coconinoite R060952 
  Fe3+ 2 Al2 (UO2 )2 (PO4 )4 (SO4 )(OH)2 ·20H2 O 
  Bob Jenkins  
  Jomac mine, White Canyon Mining District, San Juan County, Utah, USA 
  
           
 
  Coesite X050094 
  SiO2  
  G.R. Rossman 1603 
  Kimberly, South Africa 
  
           
 
  Coesite R070565 
  SiO2  
  Charles Prewitt Run #4 
  Synthetic, P = 45 kbar, T = 650 C 
  
           
 
  Coffinite R070402 
  U(SiO4 )·nH2 O 
  Michael Scott S102007 
  Happy Jack mine (Blue Dike mine), Copper Point, White Canyon, White Canyon District, San Juan County, Utah, USA 
  
           
 
  Cohenite R100076 
  CFe3  
  Michael Scott S101369 
  Asuk, Disko, West Greenland, Greenland 
  
           
 
  Colchicine D120005 
  David Blake  
  Synthetic 
  
           
 
  Colchicine D120025 
  David Blake  
  Synthetic; pill is from Global Pharma Healthcare Pvt. Ltd., India 
  
           
 
  Colemanite R050102 
  CaB3 O4 (OH)3 ·H2 O 
  Rock Currier  
  Kramer deposit, Boron, Kern County, California, USA 
  
           
 
  Colemanite X050040 
  CaB3 O4 (OH)3 ·H2 O 
  Caltech  
  Death Valley, California, USA 
  
           
 
  Colemanite R050331 
  CaB3 O4 (OH)3 ·H2 O 
  California Institute of Technology W-20148 
  Thompson mine, Death Valley, Inyo County, California, USA 
  
           
 
  Colinowensite R150109 
  BaCuSi2 O6  
  Yan Chen and Shouhua Feng  
  Synthetic 
  
           
 
  Collinsite R060140 
  Ca2 Mg(PO4 )2 ·2H2 O 
  Mark Mauthner  
  Big Fish River, Yukon Territory, Canada 
  
           
 
  Collinsite R120022 
  Ca2 Mg(PO4 )2 ·2H2 O 
  Dr. Jürgen Wachsmuth  
  Prinz von Hessen mine, Messel, Darmstadt, Hesse, Germany 
  
           
 
  Collinsite R140626 
  Ca2 Mg(PO4 )2 ·2H2 O 
  Rock Currier  
  Near Milgun Station, Meekatharra Shire, Western Australia, Australia 
  
           
 
  Coloradoite R070326 
  HgTe 
  Michael Scott S103193 
  Herald Mine, Sugarloaf, Boulder County, Colorado, USA 
  
           
 
  Colquiriite R070417 
  CaLiAlF6  
  Michael Scott S102008 
  Serra Branca pegmatite, Pedra Lavrada, Picuí, Paraíba; Northeast, Brazil 
  
           
 
  Columbite-(Fe) R050348 
  Fe2+ Nb2 O6  
  California Institute of Technology  
  Lord Hill mine, Stoneham, Oxford County, Maine, USA 
  
           
 
  Columbite-(Fe) R060001 
  Fe2+ Nb2 O6  
  Eric Van Valkenburg  
  Gypsy mine, Minas Gerais, Brazil 
  
           
 
  Columbite-(Fe) R070161 
  Fe2+ Nb2 O6  
  James Shigley  
  Tveit mine, Iveland, Setesdal Valley, Aust-Agder, Norway 
  
           
 
  Columbite-(Mn) R040083 
  Mn2+ Nb2 O6  
  University of Arizona Mineral Museum 10964 
  Mina Miramica, Santa Cruz, Bolivia 
  
           
 
  Columbite-(Mn) R050359 
  Mn2+ Nb2 O6  
  University of Arizona Mineral Museum 5452 
  Black Hills, South Dakota, USA 
  
           
 
  Colusite R070568 
  Cu13 VAs3 S16  
  James Shigley  
  East Colusa mine, Butte, Silver Bow County, Montana, USA 
  
           
 
  Comancheite R060734 
  Hg2+ 55 N3- 24 (NH2 ,OH)4 (Cl,Br)34  
  Bob Jenkins  
  Terlinguia, Texas, USA 
  
           
 
  Congolite R070149 
  Fe2+ 3 B7 O13 Cl 
  James Shigley  
  Lower Saxony, Germany 
  
           
 
  Congolite R110153 
  Fe2+ 3 B7 O13 Cl 
  Donald M Doell and Brian Roulston  
  Potash Corporation of Saskatchewan mine, Penobsquis, Kings County, New Brunswick, Canada 
  
           
 
  Conichalcite R040167 
  CaCu(AsO4 )(OH) 
  University of Arizona Mineral Museum 750 
  Ojuela mine, Mapimi, Durango, Mexico 
  
           
 
  Conichalcite R050028 
  CaCu(AsO4 )(OH) 
  Eugene Schlepp  
  Mapimi, Durango, Mexico 
  
           
 
  Conichalcite R050506 
  CaCu(AsO4 )(OH) 
  University of Arizona Mineral Museum 5665 
  Higgins mine, Bisbee, Arizona, USA 
  
           
 
  Conichalcite R070447 
  CaCu(AsO4 )(OH) 
  Bob Jenkins  
  Copper Creek District, Mammoth, Arizona, USA 
  
           
 
  Conichalcite R070430 
  CaCu(AsO4 )(OH) 
  Bob Jenkins  
  Maria Catalina mine, Pampa Larga Mining District, Tierra Amarilla, Chile 
  
           
 
  Conichalcite R120017 
  CaCu(AsO4 )(OH) 
  Ron Gibbs  
  New Cornelia mine, Ajo, Arizona, USA 
  
           
 
  Connellite X060006 
  Cu36 (SO4 )(OH)62 Cl8 ·6H2 O 
  University of Arizona Mineral Museum 1166 
  Czar mine, Bisbee, Cochise County, Arizona, USA 
  
           
 
  Connellite R060503 
  Cu36 (SO4 )(OH)62 Cl8 ·6H2 O 
  University of Arizona Mineral Museum 1188 
  Shattuck mine, Bisbee, Cochise County, Arizona, USA 
  
           
 
  Cookeite R061103 
  (Al,Li)3 Al2 (Si,Al)4 O10 (OH)8  
  Michael Scott S102013 
  Green mine, Saline County, Arkansas, USA 
  
           
 
  Copiapite R060821 
  Fe2+ Fe3+ 4 (SO4 )6 (OH)2 ·20H2 O 
  Bob Jenkins  
  Alcaparrosa mine, Tierra Amarilla, Chile 
  
           
 
  Copper R061078 
  Cu 
  Lloyd Twaites LT55 
  Afton mine, Kamloops, British Columbia, Canada 
  
           
 
  Copper R070329 
  Cu 
  James Shigley  
  Bad Ems, Lahn Valley, Rhineland-Palatinate, Germany 
  
           
 
  Coquimbite R060638 
  AlFe3 (SO4 )6 (H2 O)12 ·6H2 O 
  University of Arizona Mineral Museum 15636 
  Dexter no. 7 mine, Calf Mesa, San Rafael Swell, Emery County, Utah, USA 
  
           
 
  Coquimbite R070666 
  AlFe3 (SO4 )6 (H2 O)12 ·6H2 O 
  Michael Scott S105523 
  United Verde Mine, Jerome, Verde District, Black Hills (Black Hill Range), Yavapai County, Arizona, USA 
  
           
 
  Coquimbite R110210 
  AlFe3 (SO4 )6 (H2 O)12 ·6H2 O 
  Gunnar Farber  
  Mina Alcaparrosa, Cerritos Bayos, Calama, Atacama, II Region, Chile 
  
           
 
  Corderoite R130560 
  Hg3 S2 Cl2  
  Marcus Origlieri  
  Oriental mine, El Hembrar, Chovar, Castellon, Valencian, Spain 
  
           
 
  Corderoite R190022 
  Hg3 S2 Cl2  
  Michael Cox  
  McDermitt mine, Humboldt Co., Nevada, USA 
  
           
 
  Cordierite R040081 
  Mg2 Al4 Si5 O18  
  University of Arizona Mineral Museum 15667 
  Laramie Range, Wyoming, USA 
  
           
 
  Cordierite R040082 
  Mg2 Al4 Si5 O18  
  University of Arizona Mineral Museum 4260 
  Madagascar 
  
           
 
  Cordierite R040084 
  Mg2 Al4 Si5 O18  
  University of Arizona Mineral Museum 4261 
  Norway 
  
           
 
  Cordierite X050041 
  Mg2 Al4 Si5 O18  
  RD Shannon 56163- 90 
  
           
 
  Cordierite R100141 
  Mg2 Al4 Si5 O18  
  William W. Pinch  
  Madagascar 
  
           
 
  Cordierite R100150 
  Mg2 Al4 Si5 O18  
  William W. Pinch  
  India 
  
           
 
  Cordylite-(Ce) R110181 
  (Na,Ca,◻)BaCe2 (CO3 )4 (F,O) 
  Donald Doell  
  Demix Quarry, Mont St-Hilaire, Quebec, Canada 
  
           
 
  Corkite R050522 
  PbFe3+ 3 (SO4 )(PO4 )(OH)6  
  University of Arizona Mineral Museum 2490 
  near Dernbach, Nassau, Germany 
  
           
 
  Corkite R070403 
  PbFe3+ 3 (SO4 )(PO4 )(OH)6  
  Michael Scott S101909 
  Waldschacht mine (shaft 26), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany 
  
           
 
  Corkite R070491 
  PbFe3+ 3 (SO4 )(PO4 )(OH)6  
  Bob Jenkins  
  Iron Crag, Roughton Gill, Caldbeck Fells, Cumbria (Cumberland), England, United Kingdom 
  
           
 
  Cornetite R040163 
  Cu3 (PO4 )(OH)3  
  University of Arizona Mineral Museum 13901 
  Kalabi, Katanga, Democratic Republic of the Congo 
  
           
 
  Cornetite R050151 
  Cu3 (PO4 )(OH)3  
  Jim McGlasson  
  Manto Russo, El Salado, Chile 
  
           
 
  Cornwallite R050469 
  Cu5 (AsO4 )2 (OH)4  
  University of Arizona Mineral Museum 7906 
  Carissa mine, Tintic District, Utah, USA 
  
           
 
  Cornwallite R110146 
  Cu5 (AsO4 )2 (OH)4  
  The University of Arizona Mineral Museum 17398 
  Arkaroola Station, flinders Ranges, South Australia, Australia 
  
           
 
  Coronadite R060258 
  Pb(Mn4+ 6 Mn3+ 2 )O16  
  Michael Scott S100062 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Coronadite R070320 
  Pb(Mn4+ 6 Mn3+ 2 )O16  
  James Shigley  
  Broken Hill, New South Wales, Australia 
  
           
 
  Coronadite R090056 
  Pb(Mn4+ 6 Mn3+ 2 )O16  
  Bob Downs  
  Taouz, Er Rachidia Province, Meknès-Tafilalet Region, Morocco 
  
           
 
  Correianevesite R060701 
  Fe2+ Mn2+ 2 (PO4 )2 ·3H2 O 
  Bob Jenkins  
  Linopolis, Minas Gerais, Brazil 
  
           
 
  Correianevesite R090069 
  Fe2+ Mn2+ 2 (PO4 )2 ·3H2 O 
  Royal Ontario Museum M54960 
  Cigana mine, Galiléia, Minas Gerais  Brazil 
  
           
 
  Correianevesite R130692 
  Fe2+ Mn2+ 2 (PO4 )2 ·3H2 O 
  Rob Lavinsky  
  Hagendorf South Pegmatite, Hagendorf, Waidhaus, Vohenstrauß, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany 
  
           
 
  Corundum R040096 
  Al2 O3  
  University of Arizona Mineral Museum 11567 
  Sri Lanka 
  
           
 
  Corundum X050042 
  Al2 O3  
  G.R. Rossman 1020b 
  Australia 
  
           
 
  Corundum X050043 
  Al2 O3  
  G.R. Rossman 1333 
  Malacachita, Minas Gerais, Brazil 
  
           
 
  Corundum X050044 
  Al2 O3  
  G.R. Rossman 1054 
  Queensland, Australia 
  
           
 
  Corundum X050045 
  Al2 O3  
  G.R. Rossman 1380b 
  Queenland, Australia 
  
           
 
  Corundum R060020 
  Al2 O3  
  American Museum of Natural History 98807 
  Yogo Gulch, Montana, USA 
  
           
 
  Corundum X080003 
  Al2 O3  
  Gemological Institute of America 28544 
  Synthetic 
  
           
 
  Corundum X080005 
  Al2 O3  
  Gemological Institute of America 19519 
  Synthetic 
  
           
 
  Corundum X080006 
  Al2 O3  
  Gemological Institute of America 24224 
  Synthetic 
  
           
 
  Corundum X080007 
  Al2 O3  
  Gemological Institute of America 30078 
  Synthetic 
  
           
 
  Corundum R100131 
  Al2 O3  
  William W. Pinch  
  Madagascar 
  
           
 
  Corundum R100142 
  Al2 O3  
  William W. Pinch  
  Nepal 
  
           
 
  Corundum R110096 
  Al2 O3  
  Gemological Institute of America 10-12-2010-1 
  Synthetic 
  
           
 
  Corundum R110097 
  Al2 O3  
  Gemological Institute of America 10-12-2010-2 
  Synthetic 
  
           
 
  Corundum R110098 
  Al2 O3  
  Gemological Institute of America 10-12-2010-3 
  Synthetic 
  
           
 
  Corundum R110099 
  Al2 O3  
  Gemological Institute of America 10-12-2010-4 
  Synthetic 
  
           
 
  Corundum R110110 
  Al2 O3  
  Gemological Institute of America 10-12-2010-15 
  Synthetic 
  
           
 
  Corundum R110111 
  Al2 O3  
  Gemological Institute of America 10-12-2010-16 
  Synthetic 
  
           
 
  Corundum R110116 
  Al2 O3  
  Gemological Institute of America 10-12-2010-21 
  Synthetic 
  
           
 
  Corundum R110117 
  Al2 O3  
  Gemological Institute of America 10-22-2010-22 
  Synthetic 
  
           
 
  Corundum R110119 
  Al2 O3  
  Gemological Institute of America 10-22-2010-24 
  Synthetic 
  
           
 
  Corundum P000033 
  Al2 O3  
  ScottLab P000033 
  Virtual 
  
           
 
  Corvusite R060265 
  (Na,Ca,K)1-x (V5+ ,V4+ ,Fe2+ )8 O20 ·4H2 O 
  Michael Scott S100247 
  Monument no. 2 mine, Monument Valley, Apache County, Arizona, USA 
  
           
 
  Cosalite R060229 
  Pb2 Bi2 S5  
  Michael Scott S100150 
  Amax mine, Kitsault, near Alice Arm, British Columbia, Canada 
  
           
 
  Cosalite R060625 
  Pb2 Bi2 S5  
  Michael Scott S100857 
  Wells, British Columbia, Canada 
  
           
 
  Cosalite R060988 
  Pb2 Bi2 S5  
  Bob Jenkins  
  San Nicolas mine, Badajoz Provence, Spain 
  
           
 
  Cotunnite R060655 
  PbCl2  
  Michael Scott S101165 
  Mount Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy 
  
           
 
  Covellite R060129 
  CuS 
  University of Arizona Mineral Museum 5418 
  Butte, Montana, USA 
  
           
 
  Covellite R060143 
  CuS 
  Marcus Origlieri  
  Butte, Montana, USA 
  
           
 
  Covellite R060306 
  CuS 
  Michael Scott S100126 
  3800' level, Leonard mine, Butte, Silver Bow County, Montana, USA 
  
           
 
  Cowlesite R060627 
  Ca(Al2 Si3 )O10 ·5-6H2 O 
  Michael Scott S100860 
  Goble, Colombia County, Oregon, USA 
  
           
 
  Coyoteite R070143 
  NaFe3 S5 ·2H2 O 
  Michael Scott S100521 
  Coyote Peak, Orick, Humboldt County, California, USA 
  
           
 
  Crandallite R140429 
  CaAl3 (PO4 )(PO3 OH)(OH)6  
  Ron Gibbs  
  Savannah Pit, Tyrone mine, Grant County, New Mexico, USA 
  
           
 
  Creaseyite R130418 
  Cu2 Pb2 Fe3+ 2 Si5 O17 ·6H2 O 
  Bob Jenkins  
  Navojoa, Municipio de Navojoa, Sonora, Mexico 
  
           
 
  Creaseyite R140557 
  Cu2 Pb2 Fe3+ 2 Si5 O17 ·6H2 O 
  Ron Gibbs  
  Evening Star mine, Tiger Wash, Belmont Mountain, Tonopah, Osborn District, Big Horn Mts, Maricopa County, Arizona, USA 
  
           
 
  Crednerite R070404 
  CuMnO2  
  Michael Scott S102157 
  Merehead, Mendip Hills, Somerset, England, United Kingdom 
  
           
 
  Creedite R050141 
  Ca3 Al2 (SO4 )(OH)2 F8 ·2H2 O 
  Dave Bunk Minerals  
  Mina de Navidad, Rodeo, Durango, Mexico 
  
           
 
  Crichtonite R060314 
  Sr(Mn,Y,U)Fe2 (Ti,Fe,Cr,V)18 (O,OH)38  
  Michael Scott S100254 
  Fazenda Guariba, Minas Gerais, Brazil 
  
           
 
  Crichtonite R090006 
  Sr(Mn,Y,U)Fe2 (Ti,Fe,Cr,V)18 (O,OH)38  
  Luiz Menezes  
  Presidente Kubitschek, Minas Gerias, Brazil 
  
           
 
  Cristobalite X050046 
  SiO2  
  G.R. Rossman 1350 
  
           
 
  Cristobalite X050047 
  SiO2  
  CIT 8520 
  Mayen, Eifel, Germany 
  
           
 
  Cristobalite X050048 
  SiO2  
  CIT 9208 
  Mayen, Eifel, Germany 
  
           
 
  Cristobalite X050049 
  SiO2  
  Caltech  
  Utah, USA 
  
           
 
  Cristobalite R060648 
  SiO2  
  Gemological Institute of America 29236 
  Idaho, USA 
  
           
 
  Cristobalite R061064 
  SiO2  
  Harvard Mineralogical Museum 97849 
  Ellora Caves, India 
  
           
 
  Cristobalite R061107 
  SiO2  
  Michael Scott S101270 
  Vechec, Slovakia 
  
           
 
  Crocoite R040053 
  Pb(CrO4 ) 
  Bob Downs  
  Dundas, Tasmania 
  
           
 
  Crocoite R050044 
  Pb(CrO4 ) 
  Eugene Schlepp  
  Red Ledge mine, Dundas, Tasmania 
  
           
 
  Crocoite R160016 
  Pb(CrO4 ) 
  Marcus Origlieri  
  Beresovsk, Ural Mountains, Russia 
  
           
 
  Cronstedtite R061026 
  (Fe2+ ,Fe3+ )3 (Si,Fe3+ )2 O5 (OH)4  
  Michael Scott S101349 
  Kisbanya, Hungary 
  
           
 
  Crookesite R061025 
  Cu7 TlSe4  
  Michael Scott S101468 
  Skrikerum mine, Ostergotland, Sweden 
  
           
 
  Cryolite R050287 
  Na2 NaAlF6  
  Marcus Origlieri  
  Ivigtut, Greenland 
  
           
 
  Cryolite R120026 
  Na2 NaAlF6  
  Donald Doell  
  Francon quarry, Montréal, Québec, Canada 
  
           
 
  Cryolite R120027 
  Na2 NaAlF6  
  Donald Doell  
  Francon quarry, Montréal, Québec, Canada 
  
           
 
  Cryolithionite R080051 
  Na3 Al2 (LiF4 )3  
  Michael Scott S102718 
  Zapot mine, Zapot amazonite-topaz-zinnwaldite pegmatite, Gillis Range, Mineral County, Nevada, USA 
  
           
 
  Cubanite R061068 
  CuFe2 S3  
  Lloyd Twaites LT1378 
  Henderson #2 mine, Chibougamau, Quebec, Canada 
  
           
 
  Cubic zirconia R040142 
  Bob Downs  
  synthetic 
  
           
 
  Cubic zirconia X080012 
  Gemological Institute of America 11874 
  Synthetic 
  
           
 
  Cubic zirconia R110112 
  Gemological Institute of America 10-12-2010-17 
  Synthetic 
  
           
 
  Cumengeite R060079 
  Pb21 Cu20 Cl42 (OH)40 ·6H2 O 
  Marcus Origlieri  
  Amelia mine, Santa Rosalia, Baja California, Mexico 
  
           
 
  Cuprite R050374 
  Cu2 O 
  Eugene Schlepp  
  unknown 
  
           
 
  Cuprite R050384 
  Cu2 O 
  University of Arizona Mineral Museum 9678 
  Lavender Pit, Bisbee, Warren District, Cochise County, Arizona, USA 
  
           
 
  Cuprite R140763 
  Cu2 O 
  Marcus Origlieri UAMM19820 
  Milpillas mine, Municipio de Santa Cruz, Sonora, Mexico 
  
           
 
  Cuproiridsite R070035 
  Cu(Ir3+ Ir4+ )S4  
  Michael Scott S105084 
  Miass River, Urals, Russia 
  
           
 
  Cuprosklodowskite R060570 
  Cu(UO2 )2 (SiO3 OH)2 ·6H2 O 
  Michael Scott S100303 
  Musonoi Extension mine, near Kolwezi, Shaba Province, Zaire 
  
           
 
  Cuprostibite R060838 
  Cu2 (Sb,Tl) 
  Michael Scott S100912 
  Mount Nakalak, Ilimaussaq, Greenland 
  
           
 
  Curienite R050548 
  Pb(UO2 )2 (VO4 )2 ·5H2 O 
  University of Arizona Mineral Museum 13480 
  Mounana mine, Franceville, Haut-Ogooué, Gabon 
  
           
 
  Curite R060728 
  Pb3+x [(UO2 )4 O4+x (OH)3-x ]2 ·2H2 O 
  Bob Jenkins  
  Swambo, Katanga, Zaire 
  
           
 
  Curite R070328 
  Pb3+x [(UO2 )4 O4+x (OH)3-x ]2 ·2H2 O 
  James Shigley  
  Kasolo mine, Shinkolobwe, Shaba Zaire 
  
           
 
  Curite R130657 
  Pb3+x [(UO2 )4 O4+x (OH)3-x ]2 ·2H2 O 
  Benjamin N. Schumer  
  Musonoi mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga, Democratic Republic of Congo 
  
           
 
  Cuspidine R060049 
  Ca8 (Si2 O7 )2 F4  
  University of Arizona Mineral Museum 2225 
  Ariccia, Rome, Italy 
  
           
 
  Cuspidine R130002 
  Ca8 (Si2 O7 )2 F4  
  Robert Lavinsky  
  Huanggang(?), Inner Mongolia, China 
  
           
 
  Cuspidine R140776 
  Ca8 (Si2 O7 )2 F4  
  Ch. and H. Schäfer  
  Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany 
  
           
 
  CuZnCl(OH)3  R140401 
  Danielle Sotomayor and Keith Wentz  
  Rowley mine, Maricopa County, Arizona, USA 
  
           
 
  Cuzticite C130838 
  Fe3+ 2 Te6+ O6 ·3H2 O 
  Rock Currier  
  Moctezuma mine, Moctezuma, Municipio de Moctezuma, Sonora, Mexico 
  
           
 
  Cyanochroite R061035 
  K2 Cu(SO4 )2 ·6H2 O 
  Michael Scott S100954 
  Tolbachik Volcano, Main Fracture, N. Breakthrough, Kamchatka, Russia 
  
           
 
  Cyanotrichite R070405 
  Cu4 Al2 (SO4 )(OH)12 (H2 O)2  
  Michael Scott S103915 
  Springbok mine, Okiep Copper District, Namaqualand, Northern Cape Province, South Africa 
  
           
 
  Cyanotrichite R070500 
  Cu4 Al2 (SO4 )(OH)12 (H2 O)2  
  James Shigley  
  Vieja mine, Portrerillos, Chanaral Province, Atacama Region, Chile 
  
           
 
  Cylindrite R050175 
  FePb3 Sn4 Sb2 S14  
  Marcus Origlieri  
  Poopó Province, Oruro Department, Bolivia 
  
           
 
  Cylindrite R050329 
  FePb3 Sn4 Sb2 S14  
  Lloyd Twaites  
  Poopó Province, Oruro Department, Bolivia 
  
           
 
  Cymrite R080032 
  Ba(Si,Al)4 (O,OH)8 ·H2 O 
  Michael Scott S101267 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Cyrilovite R060504 
  NaFe3+ 3 (PO4 )2 (OH)4 ·2H2 O 
  Michael Scott S100184 
  Gunheath pit, St. Austell, Cornwall, England 
  
           
 
  Dachiardite-Ca R061097 
  Ca2 (Si20 Al4 )O48 ·13H2 O 
  Michael Scott S102002 
  Cape Lookout Quarry, Tillamook County, Oregon 
  
           
 
  Dachiardite-Ca R061125 
  Ca2 (Si20 Al4 )O48 ·13H2 O 
  Michael Scott S102165 
  San Piero in Campo, Isle of Elba, Livorno, Toscana, Italy 
  
           
 
  Dachiardite-Na R061116 
  Na4 (Si20 Al4 )O48 ·13H2 O 
  Michael Scott S101988 
  Alpe di Siusi, Bolzano, Trentino-Alto Adige, Italy 
  
           
 
  Dadsonite R060246 
  Pb23 Sb25 S60 Cl 
  William W. Pinch  
  St. Pons, Barconlette, Haute Alpes, France 
  
           
 
  Dalyite R070415 
  K2 ZrSi6 O15  
  Michael Scott S102133 
  Murunskyi Massif, Chara River (Charo River), Davan, Torgo River Basin, Aldan Shield, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia 
  
           
 
  Danalite R060057 
  Be3 Fe2+ 4 (SiO4 )3 S 
  University of Arizona Mineral Museum 14030 
  Iron Mountain, Winston, New Mexico, USA 
  
           
 
  Danburite R040013 
  CaB2 Si2 O8  
  Marcus Origlieri  
  Charcas, San Luis Potosi, Mexico 
  
           
 
  Danburite X050050 
  CaB2 Si2 O8  
  RD Shannon 49022- 44 
  Charcas, San Luis Potosi, Mexico 
  
           
 
  Danburite R050602 
  CaB2 Si2 O8  
  Bill Larson  
  Mogok, Burma 
  
           
 
  Danielsite R070419 
  (Cu,Ag)14 HgS8  
  Michael Scott S102001 
  Coppin Pool, Western Australia, Australia 
  
           
 
  Datolite R050033 
  CaB(SiO4 )(OH) 
  University of Arizona Mineral Museum 4509 
  Westfield, Massachusetts, USA 
  
           
 
  Datolite R050136 
  CaB(SiO4 )(OH) 
  Dave Bunk Minerals  
  Charcas, San Luis Potosi, Mexico 
  
           
 
  Datolite X050051 
  CaB(SiO4 )(OH) 
  RD Shannon 49022- 46 
  Westfield, Massachusetts, USA 
  
           
 
  Davidite-(Ce) R120009 
  Ce(Y,U)Fe2 (Ti,Fe,Cr,V)18 (O,OH,F)38  
  Marcus Origlieri  
  Mount Kaskasnyunchorr, Khibiny Massif, Kola Peninsula, Russia 
  
           
 
  Davidite-(La) R070698 
  La(Y,U)Fe2 (Ti,Fe,Cr,V)18 (O,OH,F)38  
  Michael Scott S101999 
  Pandora prospect, Covered Wells, Quijotoa District, Quijotoa Mts, Pima County, Arizona, USA 
  
           
 
  Davidite-(La) R070697 
  La(Y,U)Fe2 (Ti,Fe,Cr,V)18 (O,OH,F)38  
  Michael Scott S103826 
  Pandora prospect, Covered Wells, Quijotoa District, Quijotoa Mts, Pima County, Arizona, USA 
  
           
 
  Davidite-(La) R110047 
  La(Y,U)Fe2 (Ti,Fe,Cr,V)18 (O,OH,F)38  
  Donald M Doell  
  Billeroo Davidite Prospect, Plumbago Station, Olary Province, South Australia, Australia 
  
           
 
  Davidlloydite R130015 
  Zn3 (AsO4 )2 ·4H2 O 
  Frank C. Hawthorne   
  Tsumeb mine, Otjikoto region, Namibia 
  
           
 
  Davisite R130013 
  CaScAlSiO6  
  Chi Ma  
  Allende meteorite, Pueblito de Allende, Chihuahua, Mexico 
  
           
 
  Davyne R060305 
  [(Na,K)6 (SO4 )0.5 Cl][Ca2 Cl2 ][(Si6 Al6 O24 )] 
  Michael Scott S100269 
  Bellerberg, Ettringen, Laacher See, Germany 
  
           
 
  Davyne R140771 
  [(Na,K)6 (SO4 )0.5 Cl][Ca2 Cl2 ][(Si6 Al6 O24 )] 
  Ch. and H. Schäfer  
  Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy 
  
           
 
  Dawsonite R050645 
  NaAl(CO3 )(OH)2  
  Marcus Origlieri  
  Cerro Sapo, Cochabamba Department, Bolivia 
  
           
 
  Dawsonite R050641 
  NaAl(CO3 )(OH)2  
  University of Arizona Mineral Museum 11410 
  Francon Quarry, Montréal, Québec, Canada 
  
           
 
  Dawsonite R120093 
  NaAl(CO3 )(OH)2  
  Don Doell  
  Francon Quarry, Montréal, Québec, Canada 
  
           
 
  Decrespignyite-(Y) R060302 
  Y4 Cu(CO3 )4 Cl(OH)5 ·2H2 O 
  Michael Scott S100067 
  Paratoo mine, Paratoo, South Australia, Australia 
  
           
 
  Deerite R070393 
  Fe2+ 6 Fe3+ 3 (Si6 O17 )O3 (OH)5  
  Michael Scott S101050 
  Laytonville quarry, Laytonville, Mendocino County, California, USA 
  
           
 
  Defernite R060619 
  Ca6 (CO3 )1.58 (Si2 O7 )0.21 (OH)7 [Cl0.50 (OH)0.08 (H2 O)0.42 ] 
  Michael Scott S100828 
  Kombat mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia 
  
           
 
  Delafossite R050403 
  Cu1+ Fe3+ O2  
  Marcus Origlieri  
  Cole Shaft, Bisbee, Cochise County, Arizona, USA 
  
           
 
  Delhayelite R060816 
  K7 Na3 Ca5 Al2 Si14 O38 F4 Cl2  
  Bob Jenkins  
  Chibiny, Kola Peninsula, Russia 
  
           
 
  Delhayelite R070096 
  K7 Na3 Ca5 Al2 Si14 O38 F4 Cl2  
  Michael Scott S105088 
  Yukspor Mountain, Khibiny Massif, Kola Peninsula, Russia 
  
           
 
  Demesmaekerite R080130 
  Pb2 Cu5 (UO2 )2 (Se4+ O3 )6 (OH)6 ·2H2 O 
  William W. Pinch  
  Musonoi mine, Kolwezi, Katanga, Congo 
  
           
 
  Denisovite R120067 
  KCa2 Si3 O8 F 
  Donald Doell  
  Eveslogchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Denningite R061023 
  CaMn2+ Te4+ 4 O10  
  Michael Scott S100389 
  Bambolla mine, Moctezuma, Sonora, Mexico 
  
           
 
  Derbylite R070382 
  Fe3+ 4 Ti4+ 3 Sb3+ O13 (OH) 
  Michael Scott S103832 
  Buca della Vena Mine,  Stazzema,  Apuan Alps,  Lucca Province,  Tuscany,  Italy 
  
           
 
  Derriksite R100223 
  Cu4 (UO2 )(Se4+ O3 )2 (OH)6  
  William W. Pinch  
  Musonoi mine, Kolwezi, Katanga, Congo 
  
           
 
  Desautelsite R060303 
  Mg6 Mn3+ 2 (CO3 )(OH)16 ·4H2 O 
  Michael Scott S100079 
  1.5 miles west of San Benito mountain, southern San Benito County, California, USA 
  
           
 
  Descloizite R050037 
  PbZn(VO4 )(OH) 
  Eugene Schlepp  
  Berg Aukas mine, Namibia 
  
           
 
  Descloizite R050509 
  PbZn(VO4 )(OH) 
  University of Arizona Mineral Museum 7892 
  Grootfontein district, Namibia 
  
           
 
  Descloizite R120097 
  PbZn(VO4 )(OH) 
  Bob Downs and Hexiong Yang  
  Collins Vein, Mammoth mine, Tiger, Arizona 
  
           
 
  Despujolsite R100208 
  Ca3 Mn4+ (SO4 )2 (OH)6 ·3H2 O 
  Marcus Origlieri  
  N'Chwaning III mine, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Destinezite R050631 
  Fe3+ 2 (PO4 )(SO4 )(OH)·6H2 O 
  University of Arizona Mineral Museum 12690 
  Patagonia Mountains, Arizona, USA 
  
           
 
  Devilline R060126 
  CaCu4 (SO4 )2 (OH)6 ·3H2 O 
  University of Arizona Mineral Museum 300 
  Herrengrund, Hungary 
  
           
 
  Devitoite R130083 
  Ba6 Fe2+ 7 Fe3+ 2 (Si4 O12 )2 (PO4 )2 (CO3 )O2 (OH)4  
  George R. Rossman  
  Big Creek in eastern Fresno County, California, USA 
  
           
 
  Dewindtite R050608 
  H2 Pb3 (UO2 )6 O4 (PO4 )4 ·12H2 O 
  University of Arizona Mineral Museum  
  La Faye pres Grury, Saone et Loire, France 
  
           
 
  Diaboleite R050270 
  CuPb2 Cl2 (OH)4  
  Marcus Origlieri  
  Tiger, Pinal County, Arizona, USA 
  
           
 
  Diaboleite R050372 
  CuPb2 Cl2 (OH)4  
  Eugene Schlepp  
  Collins Vein, Mammoth mine, Tiger, Arizona 
  
           
 
  Diadochite R120021 
  Fe3+ 2 (PO4 )(SO4 )(OH)·6H2 O 
  Dr. Jürgen Wachsmuth  
  Vysočany, Prague, Czech Republic 
  
           
 
  Diamond R050204 
  C 
  Eric Van Valkenburg  
  Unknown 
  
           
 
  Diamond R050205 
  C 
  Eric Van Valkenburg  
  Unknown 
  
           
 
  Diamond R050206 
  C 
  Eric Van Valkenburg  
  Unknown 
  
           
 
  Diamond R050207 
  C 
  Eric Van Valkenburg  
  Unknown 
  
           
 
  Diamond X050052 
  C 
  Caltech  
  Plumas County, California, USA 
  
           
 
  Diamond X050053 
  C 
  G.R. Rossman 1989 
  Synthetic, General Electric 
  
           
 
  Diamond X050054 
  C 
  G.R. Rossman 1838 
  Synthetic, General Electric 
  
           
 
  Diamond X070001 
  C 
  Eric Van Valkenburg  
  Synthetic, DeBeers Element6 
  
           
 
  Diamond X080011 
  C 
  Gemological Institute of America 28754 
  Synthetic 
  
           
 
  Diamond R150105 
  C 
  Rock Currier  
  Synthetic by GE. 
  
           
 
  Diamond R150106 
  C 
  Rock Currier  
  Premier mine, Cullinan, Pretoria, Gauteng Province, South Africa 
  
           
 
  Diamond R150108 
  C 
  Rock Currier  
  Bushimaie River, Belgian Congo 
  
           
 
  Diamond R150107 
  C 
  Rock Currier  
  Zaïre 
  
           
 
  Diamond R150086 
  C 
  Michael Scott  
  unknown 
  
           
 
  Diamond R150087 
  C 
  Michael Scott  
  unknown 
  
           
 
  Diamond R150088 
  C 
  Michael Scott  
  unknown 
  
           
 
  Diamond R150089 
  C 
  Michael Scott  
  unknown 
  
           
 
  Diaoyudaoite R050182 
  NaAl11 O17  
  Marcus Origlieri  
  Port Elizabeth, Essex County, New Jersey, USA 
  
           
 
  Diaoyudaoite R130023 
  NaAl11 O17  
  Ken Roberts  
  Synthetic 
  
           
 
  Diaphorite R060173 
  Ag3 Pb2 Sb3 S8  
  Ty Balacko TB4 
  Van Silver mine, Vancouver, British Columbia, Canada 
  
           
 
  Diaspore X050055 
  AlO(OH) 
  RD Shannon 62047- 42 
  Turkey 
  
           
 
  Diaspore R060287 
  AlO(OH) 
  Herb Obodda 077 
  Selcuk, Mugla Province, Turkey 
  
           
 
  Diaspore R060546 
  AlO(OH) 
  Gemological Institute of America 22868 
  Turkey 
  
           
 
  Dickinsonite-(KMnNa) R160070 
  K(NaMn)CaNa3 AlMn13 (PO4 )12 (OH)2  
  Rock Currier  
  Smith mine, Newport, New Hampshire, USA 
  
           
 
  Dickinsonite-(KMnNa) R160071 
  K(NaMn)CaNa3 AlMn13 (PO4 )12 (OH)2  
  Thomas A. Loomis  
  Nancy Pegmatite, Chacabuco Dept, San Luis, Argentina 
  
           
 
  Dickite R060298 
  Al2 Si2 O5 (OH)4  
  Herb Obodda 019 
  Piast mine, Nowa Ruda, Sudety Mountains, Poland 
  
           
 
  Dickite R090054 
  Al2 Si2 O5 (OH)4  
  Mineralogical Museum, Harvard University  
  Schuylkill county, Pennsylvania, USA 
  
           
 
  Dickthomssenite R070165 
  MgV2 O6 ·7H2 O 
  Michael Scott S100559 
  Firefly-Pigmay mine, La Sal Quadrangle, San Juan County, Utah, USA 
  
           
 
  Diegogattaite R120156 
  Na2 CaCu2 Si8 O20 ·H2 O 
  Marcus Origlieri  
  Wessels mine, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Dietrichite R070381 
  ZnAl2 (SO4 )4 ·22H2 O 
  Michael Scott S103879 
  Baia Sprie mine (Felsöbánya mine), Baia Sprie (Felsöbánya), Maramures County, Romania 
  
           
 
  Dietzeite R130292 
  Ca2 (IO3 )2 (CrO4 )·H2 O 
  Rock Currier  
  Maria Elena mine, Atacama Desert, Tocopilla Province, Antofagasta Region, Chile 
  
           
 
  Digenite R060840 
  Cu1.8 S 
  Michael Scott S101004 
  Butte, Montana, USA 
  
           
 
  Dingdaohengite-(Ce) R150046 
  (Ce,La)4 Fe2+ (Ti,Fe2+ ,Mg,Fe3+ )2 Ti2 Si4 O22  
  Paul Botha  
  Mulanje Massif, Malawi 
  
           
 
  Diopside R040009 
  CaMgSi2 O6  
  University of Arizona Mineral Museum 10012 
  Otter Lake, Quebec, Canada 
  
           
 
  Diopside R040097 
  CaMgSi2 O6  
  University of Arizona Mineral Museum 4142 
  Fassathal, Tyrol 
  
           
 
  Diopside X050056 
  CaMgSi2 O6  
  CIT 3477 
  Maui, Hawaii, USA 
  
           
 
  Diopside X050057 
  CaMgSi2 O6  
  CIT 2135 
  Natural Bridge, New York, USA 
  
           
 
  Diopside X050058 
  CaMgSi2 O6  
  CIT 7524 
  Cherbadung, Binntal, Wallis, Switzerland 
  
           
 
  Diopside X050059 
  CaMgSi2 O6  
  G.R. Rossman 1652 
  Rajasthan, India 
  
           
 
  Diopside X050060 
  CaMgSi2 O6  
  G.R. Rossman 664 
  DeKalb, New York, USA 
  
           
 
  Diopside R050406 
  CaMgSi2 O6  
  University of Arizona Mineral Museum  
  unknown 
  
           
 
  Diopside R050496 
  CaMgSi2 O6  
  California Institute of Technology W-20953 
  New City Quarry, Riverside, Riverside County, Calfornia, USA 
  
           
 
  Diopside R050666 
  CaMgSi2 O6  
  University of Arizona Mineral Museum  
  Franklin, Sussex County, New Jersey, USA 
  
           
 
  Diopside R060061 
  CaMgSi2 O6  
  University of Arizona Mineral Museum 13744 
  Oka, near Montreal, Quebec, Canada 
  
           
 
  Diopside R060085 
  CaMgSi2 O6  
  University of Arizona Mineral Museum 4145 
  Tyrol, Austria 
  
           
 
  Diopside R060171 
  CaMgSi2 O6  
  Guy Ouellet  
  Jeffrey mine, Asbestos, Quebec, Canada 
  
           
 
  Diopside R060276 
  CaMgSi2 O6  
  Herb Obodda 049 
  Inagli, Yakutia, Siberia, Russia 
  
           
 
  Diopside R060861 
  CaMgSi2 O6  
  Jennifer Sano  
  Red Mountain Volcano, NW of Flagstaff, Arizona, USA 
  
           
 
  Diopside R070123 
  CaMgSi2 O6  
  Michael Scott S100417 
  Yates mine, Otter Lake, Huddersfield Township, Pontiac County, Québec, Canada 
  
           
 
  Diopside R090046 
  CaMgSi2 O6  
  Wendell Wilson  
  Merelani, Tanzania 
  
           
 
  Diopside R110128 
  CaMgSi2 O6  
  Jack Lowell  
  Alchori, Pakistan 
  
           
 
  Diopside R120003 
  CaMgSi2 O6  
  Jack Lowell  
  Chifeng, Inner Mongolia 
  
           
 
  Dioptase X050061 
  CuSiO3 ·H2 O 
  University of Arizona Mineral Museum 14052 
  Reneville, Democratic Republic of the Congo 
  
           
 
  Dioptase R040028 
  CuSiO3 ·H2 O 
  University of Arizona Mineral Museum 8501 
  Tantara mine, Democratic Republic of the Congo 
  
           
 
  Dioptase R050010 
  CuSiO3 ·H2 O 
  Eugene Schlepp  
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Dixenite R100044 
  Cu1+ Fe3+ Mn2+ 14 (As5+ O4 )(As3+ O3 )5 (SiO4 )2 (OH)6  
  William W Pinch  
  Moss mine, Nordmark, Varmland, Sweden 
  
           
 
  Djerfisherite R070390 
  K6 (Fe,Cu,Ni)25 S26 Cl 
  Michael Scott S103893 
  Noril'sk, Putoran Mts, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia 
  
           
 
  Djurleite R070333 
  Cu31 S16  
  Michael Scott S101086 
  Cornwall, England 
  
           
 
  Djurleite R100172 
  Cu31 S16  
  Steve Young  
  Butte, Montana, USA 
  
           
 
  Djurleite R100173 
  Cu31 S16  
  Steve Young  
  King Vein, Morenci, Arizona, USA 
  
           
 
  Dmisteinbergite R130085 
  Ca(Al2 Si2 O8 ) 
  Krisztian Fintor  
  CV3 type carbonaceous chondrite NWA 2086 at University of Szeged, Hungary 
  
           
 
  Dmisteinbergite R130087 
  Ca(Al2 Si2 O8 ) 
  Michael Scott S101417 
  Katashina Village, Gunma Prefecture, Japan 
  
           
 
  Dolerophanite R060139 
  Cu2 O(SO4 ) 
  University of Arizona Mineral Museum 9417 
  Vesuvius, Italy 
  
           
 
  Dolerophanite R070652 
  Cu2 O(SO4 ) 
  Michael Scott S102948 
  First scoria cone, Northern Breakthrough (North Breach), Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia 
  
           
 
  Dolomite R040030 
  CaMg(CO3 )2  
  University of Arizona Mineral Museum 1961 
  Austria 
  
           
 
  Dolomite R050129 
  CaMg(CO3 )2  
  Dave Bunk Minerals  
  Black Cloud mine, Leadville, Lake County, Colorado, USA 
  
           
 
  Dolomite X050062 
  CaMg(CO3 )2  
  CIT 9356 
  Chitwood, Missouri, USA 
  
           
 
  Dolomite X050063 
  CaMg(CO3 )2  
  CIT 12849 
  Sunk Magnesite mine, near Trieben, Steiermark, Austria 
  
           
 
  Dolomite R050241 
  CaMg(CO3 )2  
  Marcus Origlieri  
  Eugui quarries, Navarre, Spain 
  
           
 
  Dolomite R050272 
  CaMg(CO3 )2  
  University of Arizona Mineral Museum 13548 
  Eagle mine, Gillman, Colorado, USA 
  
           
 
  Dolomite R050357 
  CaMg(CO3 )2  
  California Institute of Technology  
  Black Rock, Lawrence County, Arkansas, USA 
  
           
 
  Dolomite R050370 
  CaMg(CO3 )2  
  Eugene Schlepp  
  Morro Velho mine, Nova Lima, Minas Gerais, Brazil 
  
           
 
  Dolomite R100118 
  CaMg(CO3 )2  
  Ray Hill and Robert Woodside  
  Bay Mag mine, Mount Brussilof, British Columbia, Canada 
  
           
 
  Dolomite R100168 
  CaMg(CO3 )2  
  Mineralogical Museum, Harvard University 105064 
  Oberdorf An Der Laming Moine near Bruck An Der Mur, Styria, Austria 
  
           
 
  Domeykite R070435 
  Cu3 As 
  Michael Scott S103799 
  Algodones mines, El Algodón, Huasco Province, Atacama Region,Chile 
  
           
 
  Dondoellite R140175 
  Ca2 Fe(PO4 )2 ·2H2 O 
  Rock Currier  
  Messel mine, Messel, Darmstadt, Hesse, Germany 
  
           
 
  Dondoellite R210003 
  Ca2 Fe(PO4 )2 ·2H2 O 
  Donald Doell  
  Grizzly Bear Creek, Stoneman Camp (Area B; Area 2), Rapid Creek, Dawson mining district, Yukon, Canada 
  
           
 
  Dongchuanite R220003 
  Pb4 ZnZn2 (PO4 )4 (OH)2  
  Bob Jenkins  
  Laochang ore field (Laochang Mine), Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China 
  
           
 
  Donnayite-(Y) R110164 
  NaSr3 CaY(CO3 )6 ·3H2 O 
  Donald M Doell  
  Mont St. Hilaire, Quebec, Canada 
  
           
 
  Donpeacorite R060646 
  (Mn,Mg)MgSi2 O6  
  Michael Scott S100819 
  Balmat, Balmat-Edwards Zinc District, St. Lawrence County, New York, USA 
  
           
 
  Downsite R220048 
  K2 (MoO3 )3 (SO4 )·4H2 O 
  Joe Marty  
  Freedom No. 2 mine, Marysvale District, Piute County, Utah, USA 
  
           
 
  Dozyite R100040 
  Mg7 Al2 (Si4 Al2 )O15 (OH)12  
  Jeff Weissman  
  Wood's Chrome mine, Lancaster County, Pennsylvania, USA 
  
           
 
  Dravite R040088 
  NaMg3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  University of Arizona Mineral Museum 10599 
  Yinnietharra Station, Pilbara, Western Australia, Australia 
  
           
 
  Dravite R050059 
  NaMg3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Rock Currier  
  Nepal 
  
           
 
  Dravite R050077 
  NaMg3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Rock Currier  
  Yinnietharra Station, Western Australia, Australia 
  
           
 
  Dravite R060286 
  NaMg3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Herb Obodda 075 
  Badakshan Province, Afghanistan 
  
           
 
  Dravite R060280 
  NaMg3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Herb Obodda 095 
  near Merelani, Tanzania 
  
           
 
  Dravite R060534 
  NaMg3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Gemological Institute of America 21937 
  Sri Lanka 
  
           
 
  Dresserite R060304 
  Ba2 Al4 (CO3 )4 (OH)8 ·3H2 O 
  Michael Scott S100072 
  Francon Quarry, Montreal,  Quebec, Canada 
  
           
 
  Dreyerite R130060 
  Bi(VO4 ) 
  William W. Pinch  
  Ritter mine, Schneeberg District, Erzgebirge, Saxony, Germany 
  
           
 
  Dufrénoysite R070579 
  Pb2 As2 S5  
  James Shigley  
  Lengenbach Quarry, Imfeld, Binnental, Valais, Switzerland 
  
           
 
  Duftite R040160 
  PbCu(AsO4 )(OH) 
  University of Arizona Mineral Museum 744 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Duftite R050507 
  PbCu(AsO4 )(OH) 
  University of Arizona Mineral Museum 11536 
  Mt. Bonney, Northern Territory, Australia 
  
           
 
  Duftite R070474 
  PbCu(AsO4 )(OH) 
  Bob Jenkins  
  Black Pine mine, Phillipsburg, Montana, USA 
  
           
 
  Dugganite R060498 
  Pb3 Zn3 (TeO6 )(AsO4 )2  
  Michael Scott S100078 
  400' level, Empire mine, Tombstone, Cochise County, Arizona, USA 
  
           
 
  Dukeite R070441 
  Bi3+ 24 Cr6+ 8 O57 (OH)6 ·3H2 O 
  Michael Scott S100571 
  Posse mine (Posse Farm), São José de Brejaúba, Conceição do Mato Dentro, Minas Gerais, Brazil 
  
           
 
  Dumortierite X050064 
  AlAl6 BSi3 O18  
  G.R. Rossman 1966 
  Fallbrook, San Diego County, California, USA 
  
           
 
  Dumortierite R060069 
  AlAl6 BSi3 O18  
  University of Arizona Mineral Museum 13827 
  Dehesa, San Diego County, California, USA 
  
           
 
  Dumortierite X050065 
  AlAl6 BSi3 O18  
  Caltech 19190 
  Dehesa, San Diego County, California, USA 
  
           
 
  Dumortierite R050628 
  AlAl6 BSi3 O18  
  Gemological Center  
  Minas Gerais, Brazil 
  
           
 
  Dundasite R060760 
  PbAl2 (CO3 )2 (OH)4 ·H2 O 
  Michael Scott S101361 
  Daoping mine, Guangxi, China 
  
           
 
  Dundasite R090038 
  PbAl2 (CO3 )2 (OH)4 ·H2 O 
  William W. Pinch  
  Tsumeb, Namibia 
  
           
 
  Durangite R060889 
  NaAl(AsO4 )F 
  Bob Jenkins  
  northern end Thomas Range, Juab County, Utah, USA 
  
           
 
  Durangite R120118 
  NaAl(AsO4 )F 
  Michael Shannon  
  Barranca mine, Coneto de Comonfort, Durango, Mexico 
  
           
 
  Dussertite R060398 
  BaFe3+ 3 (AsO4 )(AsO3 OH)(OH)6  
  American Museum of Natural History 21676 
  Constantine, Algeria 
  
           
 
  Dussertite R070486 
  BaFe3+ 3 (AsO4 )(AsO3 OH)(OH)6  
  Bob Jenkins  
  Clara mine, Rankach Valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany 
  
           
 
  Dwornikite R070379 
  Ni(SO4 )·H2 O 
  Michael Scott S103816 
  Lipovka Mine (Lipovskaya Mine; Lipovaya Mine), Lipovka pegmatite field, Rezh District, Central Urals, Urals Region, Russia 
  
           
 
  Dypingite R060758 
  Mg5 (CO3 )4 (OH)2 ·5H2 O 
  Michael Scott S101238 
  Snarum, Norway 
  
           
 
  Dypingite R070086 
  Mg5 (CO3 )4 (OH)2 ·5H2 O 
  James Shigley  
  Clear Creek, New Idria District, San Benito County, California, USA 
  
           
 
  Dyscrasite R061043 
  Ag3+x Sb1-x  (x ≈ 0.2) 
  Michael Scott S101314 
  Uranium mine no. 21, Pribram, Czech Republic 
  
           
 
  Eakerite R060319 
  Ca2 Sn4+ Al2 Si6 O18 (OH)2 ·2H2 O 
  Michael Scott S100186 
  Foote Mineral Company mine, Kings Mountain, North Carolina, USA 
  
           
 
  Earlshannonite R100095 
  Mn2+ Fe3+ 2 (PO4 )2 (OH)2 ·4H2 O 
    
  Foote mine, Kings Mountain, North Carolina 
  
           
 
  Eastonite R100078 
  KAlMg2 (Si2 Al2 )O10 (OH)2  
  Jeff Weissman  
  C.K. Williams & Co. quarry, Northampton County, Pennsylvania, USA 
  
           
 
  Ebnerite R220032 
  (NH4 )Zn(PO4 ) 
  Joe Marty  
  Rowley mine, Maricopa County, Arizona, USA 
  
           
 
  Ecdemite R060738 
  Pb6 As3+ 2 O7 Cl4  
  Michael Scott S101198 
  Laurium, Greece 
  
           
 
  Eckermannite R060320 
  NaNa2 (Mg4 Al)Si8 O22 (OH)2  
  Michael Scott S100151 
  Norra Karr Complex, near Granna, Ostergotsland, Sweden 
  
           
 
  Eclarite R110124 
  (Cu,Fe)Pb9 Bi12 S28  
  Mark Feinglos   
  Crabtree quarry, Wake County, North Carolina, USA 
  
           
 
  Eddavidite R050381 
  Cu12 Pb2 O15 Br2  
  University of Arizona Mineral Museum 12326 
  Southwest mine, Bisbee, Arizona, USA 
  
           
 
  Edenite R050415 
  NaCa2 Mg5 (Si7 Al)O22 (OH)2  
  Marcus Origlieri  
  Mogok, Burma 
  
           
 
  Edenite R060029 
  NaCa2 Mg5 (Si7 Al)O22 (OH)2  
  University of Arizona Mineral Museum 4226 
  Renfrew County, Ontario, Canada 
  
           
 
  Edgarbaileyite R060500 
  Hg1+ 6 Si2 O7  
  Michael Scott S100156 
  Clear Creek claim, southern San Benito County, California, USA 
  
           
 
  Edgarite R060850 
  FeNb3 S6  
  Michael Scott S100920 
  Kukisvumchorr Mountain, Khibina massif, Kola, Russia 
  
           
 
  Edingtonite R040003 
  Ba(Si3 Al2 )O10 ·4H2 O 
  University of Arizona Mineral Museum 2960 
  Bohl, Sweden 
  
           
 
  Edingtonite R040110 
  Ba(Si3 Al2 )O10 ·4H2 O 
  National Museums of Canada 014899 
  2350 level, Brunswick 12 mine, Bathhurst, New Brunswick, Canada 
  
           
 
  Edoylerite R060543 
  Hg2+ 3 (Cr6+ O4 )S2  
  Michael Scott S100047 
  Clear Creek claim, south San Benito County, California, USA 
  
           
 
  Edwindavisite R230005 
  Cu(C2 O4 )(NH3 ) 
  Joe Marty JM-16394 
  125' Level, Rowley mine, Maricopa County, Arizona, USA 
  
           
 
  Effenbergerite R120088 
  BaCuSi4 O10  
  William W Pinch  
  Eastern orebody, Wessels mine, Kalahari manganese field, Cape Province, South Africa 
  
           
 
  Effenbergerite R150110 
  BaCuSi4 O10  
  Yan Chen and Shouhua Feng  
  Synthetic 
  
           
 
  Eglestonite R060612 
  ([Hg1+ ]2 )3 OCl3 (OH) 
  Michael Scott S101060 
  Cahill mine, Poverty Peak District, Humboldt County, Nevada, USA 
  
           
 
  Eglestonite R140234 
  ([Hg1+ ]2 )3 OCl3 (OH) 
  Rock Currier  
  Cinnabar City mine, Spring Valley District, Pershing County, Nevada, USA 
  
           
 
  Ehrleite R180029 
  Ca2 ZnBe(PO4 )2 (PO3 OH)·4H2 O 
  Tom Loomis TLYH-62 
  Tip Top mine, Custer District, Custer Co., South Dakota, USA 
  
           
 
  Eirikite R120006 
  KNa6 Be2 (Si15 Al3 )O39 F2  
  Donald Doell  
  Poudrette quarry, Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada 
  
           
 
  Eitelite R110214 
  Na2 Mg(CO3 )2  
  Gunnar Farber  
  Westvaco mine, Green River, Sweetwater County, Wyoming, USA 
  
           
 
  Ekanite X060007 
  Ca2 ThSi8 O20  
  University of Arizona Mineral Museum 10553 
  Sri Lanka 
  
           
 
  Ekanite R080036 
  Ca2 ThSi8 O20  
   3834 
  Unknown 
  
           
 
  Ekanite R100158 
  Ca2 ThSi8 O20  
  William W. Pinch  
  Ratnapura District, Sri Lanka 
  
           
 
  Ekatite R110136 
  (Fe3+ ,Fe2+ ,Zn)12 (AsO3 )6 (AsO3 ,SiO3 OH)2 (OH)6  
  William W. Pinch  
  Tsumeb, Namibia 
  
           
 
  Elbaite R050119 
  Na(Al1.5 Li1.5 )Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Carlos and Paulo Vasconcelos  
  Cruziero mine, San Jose, Minas Gerais, Brazil 
  
           
 
  Elbaite X050066 
  Na(Al1.5 Li1.5 )Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  G.R. Rossman 1368 
  Otjimbinque, Namibia 
  
           
 
  Elbaite X050067 
  Na(Al1.5 Li1.5 )Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  G.R. Rossman 815 
  Ware mine, Aguanga Mtns, San Diego County, California, USA 
  
           
 
  Elbaite R050260 
  Na(Al1.5 Li1.5 )Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Marcus Origlieri  
  Minas Gerais, Brazil 
  
           
 
  Elbaite R050487 
  Na(Al1.5 Li1.5 )Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  California Institute of Technology 9365 
  White Queen mine, Pala, San Diego County, California, USA 
  
           
 
  Elbaite R060003 
  Na(Al1.5 Li1.5 )Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Bob Downs  
  Mount Begbie, Revelstoke, British Columbia, Canada 
  
           
 
  Elbaite R060566 
  Na(Al1.5 Li1.5 )Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Gemological Institute of America 30855 
  unknown 
  
           
 
  Elbaite R060631 
  Na(Al1.5 Li1.5 )Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Gemological Institute of America 09 
  unknown 
  
           
 
  Elbaite R060562 
  Na(Al1.5 Li1.5 )Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Gemological Institute of America 14 
  unknown 
  
           
 
  Elbaite R060560 
  Na(Al1.5 Li1.5 )Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Gemological Institute of America 26 
  California, USA 
  
           
 
  Elbaite R070077 
  Na(Al1.5 Li1.5 )Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Tommy Wu  
  Canary mine, Lundazi area of eastern Zambia 
  
           
 
  Elbaite R070564 
  Na(Al1.5 Li1.5 )Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Gemological Institute of America 30855 
  unknown 
  
           
 
  Elbaite R100137 
  Na(Al1.5 Li1.5 )Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  William W. Pinch  
  Nigeria 
  
           
 
  Eliseevite R130075 
  Na1.5 Li{Ti2 O2 [Si4 O10.5 (OH)1.5 ]}·2H2 O 
  Sergey V. Krivovichev  
  Mt. Alluaiv, Lovozero alkaline massif, Kola Peninsula, Russia 
  
           
 
  Ellenbergerite R070395 
  Mg6 (Mg,Ti,Zr,◻)2 (Al,Mg)6 Si8 O28 (OH)10  
  Michael Scott S104599 
  Case Parigi, Martiniana Po, Varaita Valley, Dora Maira Massif, Cuneo Province, Piedmont, Italy 
  
           
 
  Elpasolite R061029 
  K2 NaAlF6  
  Michael Scott S101431 
  Le Cetine mine, Rosia, Siena Province, Tuscany, Italy 
  
           
 
  Elpidite R060064 
  Na2 ZrSi6 O15 ·3H2 O 
  University of Arizona Mineral Museum 2921 
  Narsarsuk, Greenland 
  
           
 
  Elpidite R060200 
  Na2 ZrSi6 O15 ·3H2 O 
  Royal Ontario Museum M44301 
  Poudrette Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Elpidite R060214 
  Na2 ZrSi6 O15 ·3H2 O 
  Royal Ontario Museum M52211 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Elyite R090024 
  CuPb4 (SO4 )O2 (OH)4 ·H2 O 
  William W. Pinch  
  Tsumeb, Namibia 
  
           
 
  Elyite R130277 
  CuPb4 (SO4 )O2 (OH)4 ·H2 O 
  Neil Hubbard  
  Haltcliff Smelter, Caldbeck Fells, Cumbria 
  
           
 
  Emeleusite R061034 
  Na2 LiFe3+ Si6 O15  
  Michael Scott S101307 
  Igdlutalig, Ilimaussaq, Greenland 
  
           
 
  Emmonsite R060802 
  Fe3+ 2 (Te4+ O3 )3 ·2H2 O 
  Michael Scott S100201 
  Moctezuma mine, Moctezuma, Sonora, Mexico 
  
           
 
  Emmonsite R120126 
  Fe3+ 2 (Te4+ O3 )3 ·2H2 O 
  Robert A. Jenkins  
  Wendy open pit, Tambo mine, El Indio deposit, Elqui Province, Coquimbo Region, Chile 
  
           
 
  Emmonsite R130473 
  Fe3+ 2 (Te4+ O3 )3 ·2H2 O 
  Rock Currier  
  Tombstone, Arizona, USA 
  
           
 
  Emplectite R070307 
  CuBiS2  
  James Shigley  
  Schwarzenberg District, Erzgebirge, Saxony, Germany 
  
           
 
  Empressite R200013 
  AgTe 
  Joan Rosell, Jordi Ibáñez (Geo3BCN, Barcelona) and Tariq Jawhari (CCiTUB Barcelona) RM2970 
  Empress Josephine mine , Bonanza, Bonanza Mining District, Saguache Co., Colorado, USA 
  
           
 
  Enargite R050373 
  Cu3 AsS4  
  Eugene Schlepp  
  Butte, Silver Bow County, Montana, USA 
  
           
 
  Enargite R050435 
  Cu3 AsS4  
  University of Arizona Mineral Museum 1803 
  Longfellow mine, Red Mountain Pass, Ouray, Colorado, USA 
  
           
 
  Enargite R050442 
  Cu3 AsS4  
  University of Arizona Mineral Museum 10457 
  Butte, Silver Bow County, Montana, USA 
  
           
 
  Enargite R070176 
  Cu3 AsS4  
  Michael Scott S106193 
  Zuni Mine (Zuñi Mine), Anvil Mountain, Silverton, Silverton District, San Juan County, Colorado, USA 
  
           
 
  Englishite R060825 
  K3 Na2 Ca10 Al15 (OH)7 (PO4 )21 ·26H2 O 
  Michael Scott S101172 
  Clay Canyon, Fairfield, Utah County, Utah, USA 
  
           
 
  Enstatite R040093 
  Mg2 Si2 O6  
  University of Arizona Mineral Museum 4637 
  Castle Rock, Pennsylvania, USA 
  
           
 
  Enstatite R040094 
  Mg2 Si2 O6  
  University of Arizona Mineral Museum 4719 
  unknown 
  
           
 
  Enstatite X050192 
  Mg2 Si2 O6  
  G.R. Rossman 40 
  Bamble, Norway 
  
           
 
  Enstatite X050068 
  Mg2 Si2 O6  
  G.R. Rossman 1655 
  Kygole, Australia 
  
           
 
  Enstatite X050069 
  Mg2 Si2 O6  
  G.R. Rossman 325 
  India 
  
           
 
  Enstatite X050193 
  Mg2 Si2 O6  
  G.R. Rossman 1650 
  India 
  
           
 
  Enstatite X050070 
  Mg2 Si2 O6  
  CIT 11213 
  Webster, Jackson County, North Carolina, USA 
  
           
 
  Enstatite R050644 
  Mg2 Si2 O6  
  Jibamitra Ganguly  
  Morogoro, Tanzania 
  
           
 
  Enstatite R060630 
  Mg2 Si2 O6  
  Gemological Institute of America 11 
  unknown 
  
           
 
  Enstatite R060744 
  Mg2 Si2 O6  
  Herb Obodda 079 
  Orissa, India 
  
           
 
  Enstatite R070097 
  Mg2 Si2 O6  
  Michael Scott S100708 
  Concord, Pennsylvania, USA 
  
           
 
  Enstatite R070418 
  Mg2 Si2 O6  
  Michael Scott S102823 
  India 
  
           
 
  Enstatite R070550 
  Mg2 Si2 O6  
  www.multicolour.com  
  Tanzania 
  
           
 
  Enstatite R070641 
  Mg2 Si2 O6  
  Jibamitra Ganguly  
  Sri Lanka 
  
           
 
  Enstatite R100093 
  Mg2 Si2 O6  
  William W. Pinch  
  Hunan Province, China 
  
           
 
  Enstatite R120168 
  Mg2 Si2 O6  
  Rock Currier  
  Merensky Reef, Rustenburg, Brushveld District, South Africa 
  
           
 
  Enstatite R120174 
  Mg2 Si2 O6  
  Bob Jenkins  
  Nuestra Señora del Carmen Mines, La Celia, Jumilla, Murcia, Spain 
  
           
 
  Eosphorite R050570 
  Mn2+ Al(PO4 )(OH)2 ·H2 O 
  University of Arizona Mineral Museum 9110 
  Lavra da Ilha, Minas Gerais, Brazil 
  
           
 
  Eosphorite R050557 
  Mn2+ Al(PO4 )(OH)2 ·H2 O 
  Dave Bunk Minerals  
  Minas Gerais, Brazil 
  
           
 
  Eosphorite R060293 
  Mn2+ Al(PO4 )(OH)2 ·H2 O 
  Herb Obodda 094 
  Mawi area, Nuristan, Laghman Province, Afghanistan 
  
           
 
  Eosphorite R061055 
  Mn2+ Al(PO4 )(OH)2 ·H2 O 
  Royal Ontario Museum M52510 
  Mendes Pimental Pegmatite, Minas Gerais, Brazil 
  
           
 
  Eosphorite R130480 
  Mn2+ Al(PO4 )(OH)2 ·H2 O 
  Rock Currier  
  Taraqual, Minas Gerais, Brazil 
  
           
 
  Eosphorite R140390 
  Mn2+ Al(PO4 )(OH)2 ·H2 O 
  Gunnar Farber  
  Seco claim, Taquaral, Brazil 
  
           
 
  Ephesite R060848 
  NaLiAl2 (Si2 Al2 )O10 (OH)2  
  Michael Scott S100913 
  Postmaasburg, South Africa 
  
           
 
  Epididymite R060773 
  Na2 Be2 Si6 O15 ·H2 O 
  Michael Scott S101300 
  unknown 
  
           
 
  Epididymite R070580 
  Na2 Be2 Si6 O15 ·H2 O 
  James Shigley  
  Narsarsuk, Narsaq, Kitaa, Greenland 
  
           
 
  Epididymite R110029 
  Na2 Be2 Si6 O15 ·H2 O 
  Marcus Origlieri  
  Mount Malosa, Zomba District, Malawi 
  
           
 
  Epidote R040089 
  Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 
  University of Arizona Mineral Museum 4485 
  Grafton County, New Hampshire, USA 
  
           
 
  Epidote R040092 
  Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 
  University of Arizona Mineral Museum 2179 
  Nahant, Massachusetts, USA 
  
           
 
  Epidote R050064 
  Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 
  Rock Currier  
  East Xichang City, Meigu County, Sichuan Province, China 
  
           
 
  Epidote R050131 
  Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 
  Dave Bunk Minerals  
  Calumet mine, Chaffee County, Colorado, USA 
  
           
 
  Epidote R050191 
  Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 
  Dave Bunk Minerals  
  Pampa Blanca, Castrovirreyna Province, Huancavelica Department, Peru 
  
           
 
  Epidote R050202 
  Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 
  Bob Downs  
  Iron Cap mine, Landsman Camp, Graham County, Arizona, USA 
  
           
 
  Epidote X050073 
  Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 
  RD Shannon, 62047- 72 
  Pakistan 
  
           
 
  Epidote R050303 
  Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 
  Eugene Schlepp  
  San Martin mine, Zacatecas, Mexico 
  
           
 
  Epidote R070205 
  Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 
  Renato and Adriana Pagano  
  Jebel Shacro, Morocco 
  
           
 
  Epidote R100129 
  Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 
  William W. Pinch  
  Pakistan-Afganistan 
  
           
 
  Epidote R100148 
  Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 
  William W. Pinch  
  Ethiopia 
  
           
 
  Epidote R110127 
  Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 
  Jack Lowell  
  Alchori, Pakistan 
  
           
 
  Epidote R110129 
  Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 
  Jack Lowell   
  Quetta, Baluchistan, Pakistan 
  
           
 
  Epistilbite R061105 
  Ca3 [Si18 Al6 O48 ]·16H2 O 
  Michael Scott S104446 
  Berufiord, Iceland 
  
           
 
  Epistolite R070396 
  (Na◻)Nb2 Na3 Ti(Si2 O7 )2 O2 (OH)2 (H2 O)4  
  Michael Scott S104615 
  Tugtup Agtakorfia, Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland 
  
           
 
  Epsomite X050074 
  Mg(SO4 )·7H2 O 
  Caltech  
  Death Valley, Inyo County, California, USA 
  
           
 
  Epsomite R150060 
  Mg(SO4 )·7H2 O 
  Hexiong Yang  
  Synthetic, purchased from Walgreens 
  
           
 
  Erdite R070139 
  NaFeS2 ·2H2 O 
  Michael Scott S100558 
  Coyote Peak, Orick, Humboldt County, California, USA 
  
           
 
  Ericaite R130476 
  Fe2+ 3 B7 O13 Cl 
  Rock Currier  
  Bischofferode, Kreis Worbis, Thuringen, Germany 
  
           
 
  Ericaite R130477 
  Fe2+ 3 B7 O13 Cl 
  Rock Currier  
  Sudahm, Germany 
  
           
 
  Ericssonite R070615 
  BaMn2+ 2 Fe3+ (Si2 O7 )O(OH) 
  Rock Currier (large piece), Michael Scott (small piece) S100162 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Ericssonite R130001 
  BaMn2+ 2 Fe3+ (Si2 O7 )O(OH) 
  Marcus Origlieri  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Erikapohlite R220044 
  (◻0.5 Cu0.5 )CuCaZn2 (AsO4 )3 ·H2 O 
  Robert Lavinsky  
  Tsumeb, Namibia 
  
           
 
  Eriochalcite R070026 
  CuCl2 ·2H2 O 
  Michael Scott S105091 
  Tolbachik Volcano, Kamchatka Peninsula, Russia 
  
           
 
  Erionite-Ca R060836 
  Ca5 [Si26 Al10 O72 ]·30H2 O 
  Michael Scott S100925 
  Moeraki, Otago, South Island, New Zealand 
  
           
 
  Erionite-Ca R061110 
  Ca5 [Si26 Al10 O72 ]·30H2 O 
  Michael Scott S104607 
  Maze, Niigata Prefecture, Japan 
  
           
 
  Erionite-K R061104 
  K10 [Si26 Al10 O72 ]·30H2 O 
  Michael Scott S104442 
  Chase Creek, Falkland, British Columbia, Canada 
  
           
 
  Erionite-Na R061126 
  Na10 [Si26 Al10 O72 ]·30H2 O 
  Michael Scott S104606 
  Dunseverick, Ireland 
  
           
 
  Erlichmanite R070095 
  OsS2  
  Michael Scott S105089 
  placer from Philipp Massif, Kamchatka, Russia 
  
           
 
  Ernstite R141205 
  (Mn2+ ,Fe3+ )Al(PO4 )(OH,O)2  
  Smithsonian 145620 
  
           
 
  Erythrite R050073 
  Co3 (AsO4 )2 ·8H2 O 
  Rock Currier  
  Bou Azzer, Morocco 
  
           
 
  Erythrosiderite R120084 
  K2 Fe3+ Cl5 ·H2 O 
  Robert Jenkins  
  Mount Vesuvius, Campania, Italy 
  
           
 
  Eskebornite R060791 
  CuFeSe2  
  Michael Scott S101151 
  Slavkovice Morava, Czech Republic 
  
           
 
  Eskolaite R060892 
  Cr2 O3  
  Michael Scott S101026 
  Outokumpu, Finland 
  
           
 
  Esperite R060295 
  PbCa2 (ZnSiO4 )3  
  Michael Scott S100232 
  Parker Shaft, Franklin, Sussex County, New Jersey, USA 
  
           
 
  Esperite R070512 
  PbCa2 (ZnSiO4 )3  
  Canadian Museum of Nature LP2006-0222 
  Parker Shaft, Franklin, Sussex County, New Jersey, USA 
  
           
 
  Esseneite R061123 
  CaFe3+ AlSiO6  
  Michael Scott S104474 
  Durham Ranch, South of Gillette, Sublette County, Wyoming, USA 
  
           
 
  Ettringite R070208 
  Ca6 Al2 (SO4 )3 (OH)12 ·27H2 O 
  Michael Scott S100454 
  Hatrurim Formation, Negev Desert, West of Dead Sea, southern Israel 
  
           
 
  Eucairite R060639 
  CuAgSe 
  Michael Scott S100814 
  Mina Santa Brigida, Sierra de Famatina, La Rioja, Argentina 
  
           
 
  Euchlorine R070460 
  KNaCu3 O(SO4 )3  
  Michael Scott S105976 
  Northern Breakthrough (North Breach), Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia 
  
           
 
  Euchroite R050579 
  Cu2 (AsO4 )(OH)·3H2 O 
  University of Arizona Mineral Museum 284 
  Lubietova, Banskobystricky, Slovakia 
  
           
 
  Euclase R050032 
  BeAlSiO4 (OH) 
  University of Arizona Mineral Museum 13802 
  Minas Gerais, Brazil 
  
           
 
  Euclase X050075 
  BeAlSiO4 (OH) 
  RD Shannon 56163- 14 
  Minas Gerais, Brazil 
  
           
 
  Euclase R050623 
  BeAlSiO4 (OH) 
  Gemmological Center  
  Minas Gerais, Brazil 
  
           
 
  Euclase R100157 
  BeAlSiO4 (OH) 
  William W. Pinch  
  Unknown 
  
           
 
  Eucryptite R070248 
  LiAlSiO4  
  Michael Scott S104487 
  Bikita, Masvingo (Fort Victoria), Masvingo District, Mashonaland West, Zimbabwe 
  
           
 
  Eudialyte R050230 
  Na15 Ca6 Fe3 Zr3 Si(Si25 O73 )(O,OH,H2 O)3 (Cl,OH)2  
  Marcus Origlieri  
  Kipawa alkaline complex, near Sheffield Lake, Villedieu Township, Temiscamingue County, Quebec, Canada 
  
           
 
  Eudialyte R060035 
  Na15 Ca6 Fe3 Zr3 Si(Si25 O73 )(O,OH,H2 O)3 (Cl,OH)2  
  University of Arizona Mineral Museum 9530 
  Chibini, Kola Peninsula, Russia 
  
           
 
  Eudialyte R060206 
  Na15 Ca6 Fe3 Zr3 Si(Si25 O73 )(O,OH,H2 O)3 (Cl,OH)2  
  Royal Ontario Museum M27116 
  Desourdy Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Eudidymite R060063 
  Na2 Be2 Si6 O15 ·H2 O 
  University of Arizona Mineral Museum 2909 
  Langesundfjord, Norway 
  
           
 
  Eudidymite R060383 
  Na2 Be2 Si6 O15 ·H2 O 
  Herb Obodda 046 
  Mount Malosa, Zomba District, Malawi 
  
           
 
  Eulytine R060058 
  Bi4 (SiO4 )3  
  University of Arizona Mineral Museum 16129 
  Schneeberg, Saxony, Germany 
  
           
 
  Eulytine R130114 
  Bi4 (SiO4 )3  
  Mark Ascher  
  Flying Saucer Group, Maricopa County, Arizona 
  
           
 
  Eurekadumpite R100039 
  (Cu,Zn)16 (Te4+ O3 )2 (AsO4 )3 Cl(OH)18 ·7H2 O 
  Jeff Weissman  
  Centennial Eureka mine, Juab County, Utah, USA 
  
           
 
  Euxenite-(Y) R060856 
  Y(NbTi)O6  
  Michael Scott S101012 
  Betafo, Madagascar 
  
           
 
  Euxenite-(Y) R070324 
  Y(NbTi)O6  
  James Shigley  
  Impilahti Parish, Lake Ladoga region, Russia 
  
           
 
  Euxenite-(Y) R080101 
  Y(NbTi)O6  
  Michael Scott S101012 
  Betafo, Madagascar 
  
           
 
  Evanichite R220006 
  Pb6 Cr3+ (Cr6+ O4 )2 (SO4 )(OH)7 FCl 
  Daniel Evanich  
  Mammoth-Saint Anthony mine, Tiger, Pinal Co., Arizona, USA 
  
           
 
  Evansite R061030 
  Al3 (PO4 )(OH)6 ·8H2 O 
  Michael Scott S101244 
  Creu Olorde, Barcelona, Spain 
  
           
 
  Eveite R100048 
  Mn2+ 2 (AsO4 )(OH) 
  William W Pinch  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Ezcurrite R060645 
  Na2 B5 O7 (OH)3 ·2H2 O 
  Michael Scott S100818 
  Salar del Hombre Muerto, Catamarca, Argentina 
  
           
 
  Ezcurrite C131036 
  Na2 B5 O7 (OH)3 ·2H2 O 
  Rock Currier  
  Tincalayu mine, Salar Del Hombre Muerto, Salta, Argentina 
  
           
 
  Eztlite R130488 
  Pb2 Fe3+ 3 (Te4+ O3 )3 (SO4 )O2 Cl 
  Rock Currier  
  Moctezuma, Sonora, Mexico 
  
           
 
  Faheyite R100084 
  Be2 Mn2+ Fe3+ 2 (PO4 )4 ·6H2 O 
  Royal Ontaario Museum M56011 
  Sapucaia mine, Galiléia, Minas Gerais, Brazil 
  
           
 
  Fairbankite R140375 
  Pb2+ 12 (Te4+ O3 )11 (SO4 ) 
  Rock Currier  
  Near Tombstone, Tombstone District, Tombstone Hills, Cochise County, Arizona, USA 
  
           
 
  Fairfieldite R050539 
  Ca2 Mn2+ (PO4 )2 ·2H2 O 
  University of Arizona Mineral Museum 9329 
  Foote mine, Kings Mountain, Cleveland County, North Carolina, USA 
  
           
 
  Fairfieldite R070630 
  Ca2 Mn2+ (PO4 )2 ·2H2 O 
  Dakota Matrix Minerals  
  Tip Top mine, Custer County, South Dakota, USA 
  
           
 
  Faizievite R070221 
  Li6 K2 Na(Ca6 Na)Ti4 (Si6 O18 )2 (Si12 O30 )F2  
  Michael Scott S100427 
  Dara-i-Pioz Glacier, Alayskiy (Alai) Range, Tien Shan Mts, Districts of the Republican Subordination, Tajikistan 
  
           
 
  Famatinite R110021 
  Cu3 SbS4  
  William Pinch  
  Mohawk mine, Goldfield, Esmeralda County, Nevada, USA 
  
           
 
  Famatinite R110022 
  Cu3 SbS4  
  William Pinch  
  Quiruvilca, La Libertad Department, Peru 
  
           
 
  Farringtonite R130127 
  Mg3 (PO4 )2  
  Rock Currier  
  Springwater meteorite, Springwater, Canada 
  
           
 
  Faujasite-Ca R070462 
  (Ca,Na,Mg)2 (Si,Al)12 O24 ·15H2 O 
  Michael Scott S104917 
  Table Mountain, San Bernardino County, California, USA 
  
           
 
  Faujasite-Mg R080141 
  (Mg,Na,K,Ca)2 (Si,Al)12 O24 ·15H2 O 
  James Shigley  
  Limburg Quarries, Sasbach, Kaiserstuhl, Baden-Wurttemberg, Germany 
  
           
 
  Faustite R060891 
  ZnAl6 (PO4 )4 (OH)8 ·4H2 O 
  Michael Scott S101025 
  Bingham Copper mine, Salt Lake County, Utah 
  
           
 
  Fayalite X050076 
  Fe2+ 2 (SiO4 ) 
  RD Shannon 62047- 8 
  
           
 
  Fayalite X050077 
  Fe2+ 2 (SiO4 ) 
  G.R. Rossman 618 
  synthetic 
  
           
 
  Fayalite R070157 
  Fe2+ 2 (SiO4 ) 
  James Shigley  
  Coso Hot Springs, Inyo County, California, USA 
  
           
 
  Fayalite R070374 
  Fe2+ 2 (SiO4 ) 
  Michael Scott S104909 
  Little Lake, Lake County, California, USA 
  
           
 
  Fayalite R070293 
  Fe2+ 2 (SiO4 ) 
  Michael Scott S106013 
  Pike's Peak, Teller County, Colorado, USA 
  
           
 
  Fayalite R100102 
  Fe2+ 2 (SiO4 ) 
  American Museum of Natural History B06-045 
  Bushveld Intrusive, 7 km east of Olepane, Limpopo Province, South Africa 
  
           
 
  Fayalite R100103 
  Fe2+ 2 (SiO4 ) 
  American Museum of Natural History 89035 
  Franklin, Sussex County, New Jersey, USA 
  
           
 
  Fayalite R100104 
  Fe2+ 2 (SiO4 ) 
  American Museum of Natural History 75253 
  Dannemora, Uppsala Province, Sweden 
  
           
 
  Fe2 SiO4  spinel X050109 
  G.R. Rossman 471 
  Synthesized by Takehiko Yagi in 1974 at the Institute for Solid State Physics, Tokyo University 
  
           
 
  Fedotovite R070470 
  K2 Cu3 O(SO4 )3  
  Michael Scott S105017 
  Great Fissure (Main Fracture) eruption, Tolbachik volcano,  Kamchatka Oblast', Far-Eastern Region, Russia 
  
           
 
  Feklichevite R120046 
  Na11 Ca9 (Fe3+ ,Fe2+ )2 Zr3 Nb(Si25 O73 )(OH,H2 O,Cl,O)5  
  Donald Doell  
  Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Felsőbányaite R060239 
  Al4 (SO4 )(OH)10 ·4H2 O 
  Michael Scott S100241 
  El Dragon mine, Potosi, Bolivia 
  
           
 
  Felsőbányaite R060565 
  Al4 (SO4 )(OH)10 ·4H2 O 
  Michael Scott S100318 
  near Weymouth, Dorset, England 
  
           
 
  Fenaksite R080135 
  KNaFe2+ Si4 O10  
  Michael Scott S105088 
  Yukspor Mountain, Khibiny Massif, Kola Peninsula, Russia 
  
           
 
  Fencooperite R061032 
  Ba6 Fe3+ 3 Si8 O23 (CO3 )2 Cl3 ·H2 O 
  Michael Scott S101302 
  Trumbull Peak, Mariposa County, California, USA 
  
           
 
  Ferberite R040044 
  Fe2+ (WO4 ) 
  University of Arizona Mineral Museum 2033 
  Chocote, Bolivia 
  
           
 
  Ferberite R050090 
  Fe2+ (WO4 ) 
  Rock Currier  
  Yaogangxian mine, Cheng Zhu City, South Hunan, China 
  
           
 
  Ferberite R050632 
  Fe2+ (WO4 ) 
  University of Arizona Mineral Museum 15596 
  Chance mine, Boulder, Colorado, USA 
  
           
 
  Fergusonite-(Ce) R110050 
  CeNbO4 ·0.3H2 O 
  Donald M Doell  
  Mount Malosa, Zomba District, Malawi 
  
           
 
  Fernandinite R070694 
  (Ca,Na,K)0.9 (V5+ ,V4+ ,Fe2+ ,Ti)8 O20 ·4H2 O 
  James Shigley  
  Ragra mine, Junin, Cerro de Pasco, Pasco, Peru 
  
           
 
  Ferri-kaersutite R150047 
  NaCa2 (Mg3 Fe3+ Ti)(Si6 Al2 )O22 O2  
  Donald Doell  
  Rothenberg quarry, Mendig, Eifel, Germany 
  
           
 
  Ferri-pedrizite R070344 
  NaLi2 (Mg2 Fe3+ 2 Li)Si8 O22 (OH)2  
  Michael Scott S105090 
  east Pedriza Massif, Sierra de Guadarrama, Spain 
  
           
 
  Ferri-winchite R060038 
  ◻(NaCa)(Mg4 Fe3+ )Si8 O22 (OH)2  
  University of Arizona Mineral Museum 17021 
  Imerina, Madagascar 
  
           
 
  Ferri-winchite R060704 
  ◻(NaCa)(Mg4 Fe3+ )Si8 O22 (OH)2  
  Michael Scott S101226 
  Tirodi mines, Central Provinces, India 
  
           
 
  Ferriallanite-(Ce) R060813 
  CaCe(Fe3+ AlFe2+ )[Si2 O7 ][SiO4 ]O(OH) 
  Michael Scott S101160 
  Bastnas, Sweden 
  
           
 
  Ferriallanite-(La) R141069 
  CaLa(Fe3+ AlFe2+ )[Si2 O7 ][SiO4 ]O(OH) 
  Ch. and H. Schäfer  
  In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany 
  
           
 
  Ferricopiapite R060721 
  Fe3+ 0.67 Fe3+ 4 (SO4 )6 (OH)2 ·20H2 O 
  University of Arizona Mineral Museum 8033 
  Alcaparrosa mine, near Cerritos Bayos, El Loa Province, Chile 
  
           
 
  Ferrierite-K R110200 
  (K,Na)5 (Si31 Al5 )O72 ·18H2 O 
  Donald Doell  
  Conejo Volcanics, Agoura, Santa Monica Mountains, Los Angeles County, California, USA 
  
           
 
  Ferrierite-Mg R060982 
  [Mg2 (K,Na)2 Ca0.5 ](Si29 Al7 )O72 ·18H2 O 
  Bob Jenkins  
  Monte Lake, British Columbia, Canada 
  
           
 
  Ferrierite-Mg R070091 
  [Mg2 (K,Na)2 Ca0.5 ](Si29 Al7 )O72 ·18H2 O 
  Michael Scott S104861 
  Kamloops Lake, British Columbia, Canada 
  
           
 
  Ferrierite-Mg R070119 
  [Mg2 (K,Na)2 Ca0.5 ](Si29 Al7 )O72 ·18H2 O 
  Michael Scott S100411 
  Libous, Chomutov, Ústí Region, Bohemia (Böhmen; Boehmen), Czech Republic 
  
           
 
  Ferrierite-Mg R070118 
  [Mg2 (K,Na)2 Ca0.5 ](Si29 Al7 )O72 ·18H2 O 
  Michael Scott S100412 
  Monastir, near Cagliari, Sardinia, Italy 
  
           
 
  Ferrilotharmeyerite R060209 
  CaZnFe3+ (AsO4 )2 (OH)·H2 O 
  William W. Pinch  
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Ferrimolybdite R050566 
  Fe3+ 2 (Mo6+ O4 )3 ·7H2 O 
  University of Arizona Mineral Museum 3610 
  Kingman, Arizona, USA 
  
           
 
  Ferrimolybdite R050542 
  Fe3+ 2 (Mo6+ O4 )3 ·7H2 O 
  University of Arizona Mineral Museum 1774 
  Alicante mine, Colorado, USA 
  
           
 
  Ferrinatrite R170042 
  Na3 Fe3+ (SO4 )3 ·3H2 O 
  James Shigley  
  Alcaparrosa, Antofogasta, Chile 
  
           
 
  Ferrisurite R060055 
  Pb2.4 Fe3+ 2 Si4 O10 (CO3 )1.7 (OH)3 ·nH2 O 
  Marcus Origlieri  
  Shirley Ann Claim, Death Valley National Monument, Inyo County, California, USA 
  
           
 
  Ferro-actinolite R060189 
  ◻Ca2 (Mg2.5-0.0 Fe2+ 2.5-5.0 )Si8 O22 (OH)2  
  Lloyd Twaites  
  Merry Widow mine, Vancouver Island, British Columbia, Canada 
  
           
 
  Ferro-edenite R060044 
  NaCa2 Fe2+ 5 (Si7 Al)O22 (OH)2  
  University of Arizona Mineral Museum 13355 
  Barkevik, Norway 
  
           
 
  Ferro-ferri-fluoro-leakeite R070468 
  NaNa2 (Fe2+ 2 Fe3+ 2 Li)Si8 O22 F2  
  Michael Scott S100582 
  Questa, Taos County, New Mexico, USA 
  
           
 
  Ferro-ferri-hornblende R170006 
  ◻Ca2 (Fe2+ 4 Fe3+ )(Si7 Al)O22 (OH)2  
  Renato and Adriana Pagano  
  Miniera di Traversella, Ivrea, Torino, Piedmont, Italy 
  
           
 
  Ferro-gedrite R060330 
  ◻Fe2+ 2 (Fe2+ 3 Al2 )(Si6 Al2 )O22 (OH)2  
  Michael Scott S100310 
  Kawai mine, Ena City, Gifu Prefecture, Japan 
  
           
 
  Ferro-gedrite R070531 
  ◻Fe2+ 2 (Fe2+ 3 Al2 )(Si6 Al2 )O22 (OH)2  
  James Shigley  
  Ludvika, Dalarna District, Kopparberg, Sweden 
  
           
 
  Ferro-holmquistite R070005 
  ◻Li2 (Fe2+ 3 Al2 )Si8 O22 (OH)2  
  Michael Scott S101201 
  Mount Marrion, South Australia, Australia 
  
           
 
  Ferro-katophorite R050633 
  Na(NaCa)(Fe2+ 4 Al)(Si7 Al)O22 (OH)2  
  Marcus Origlieri  
  Taguchi mine, Shidara, Kitashidara-Gun, Aichi Prefecture, Japan 
  
           
 
  Ferro-pargasite R090015 
  NaCa2 (Fe2+ 4 Al)(Si6 Al2 )O22 (OH)2  
  Herb Obodda  
  Basha Valley, Skardu District, Baltistan, Northern Areas, Pakistan 
  
           
 
  Ferroalluaudite R100070 
  NaFe2+ Fe3+ 2 (PO4 )3  
  Royal Ontario Museum  
  Rapid Creek area, Yukon, Canada 
  
           
 
  Ferrobobfergusonite R140993 
  ◻Na2 Fe2+ 5 Fe3+ Al(PO4 )6  
  Rock Currier  
  Victory mine, Custer, Custer District, Custer County, South Dakota, USA 
  
           
 
  Ferrobustamite R140843 
  CaFe2+ Si2 O6  
  Michael Scott S106010 
  Horado mine, Gifu Prefecture, Chubu Region, Honshu Island, Japan 
  
           
 
  Ferroceladonite R070442 
  KFe2+ Fe3+ Si4 O10 (OH)2  
  Michael Scott S104918 
  Gravel Quarry, Mikhailov, Ryazanskaya Oblast', North-Western Region, Russia 
  
           
 
  Ferroericssonite R070406 
  BaFe2+ 2 Fe3+ (Si2 O7 )O(OH) 
  Michael Scott S104468 
  Big Creek, Fresno County, California, USA 
  
           
 
  Ferrofettelite R100124 
  [Ag6 As2 S7 ][Ag10 FeAs2 S8 ] 
  William W. Pinch  
  Nieder-Berbach, Odenwald, Germany 
  
           
 
  Ferrohögbomite-2N2S R061017 
  (Fe,Mg,Zn,Al)3 (Al,Ti,Fe)8 O15 (OH) 
  Michael Scott S101479 
  Claim Kastor, Vallatjvaratj, Lapland, Sweden 
  
           
 
  Ferrohögbomite-2N2S R070156 
  (Fe,Mg,Zn,Al)3 (Al,Ti,Fe)8 O15 (OH) 
  James Shigley  
  Norway 
  
           
 
  Ferrokentbrooksite R110183 
  Na15 Ca6 Fe2+ 3 Zr3 Nb(Si25 O73 )(O,OH,H2 O)3 (F,Cl)2  
  Donald Doell  
  Poudrette quarry, Mont St-Hilaire, Quebec, Canada 
  
           
 
  Ferrokësterite R060870 
  Cu2 FeSnS4  
  Michael Scott S101027 
  Cligga mine, Perranzabuloe, Cornwall, England 
  
           
 
  Ferrokësterite R110173 
  Cu2 FeSnS4  
  Brian Kosnar  
  San Jose mine, Oruro, Bolivia 
  
           
 
  Ferronigerite-2N 1S R120083 
  (Al,Fe,Zn)2 (Al,Sn)6 O11 (OH) 
  Robert Jenkins  
  Seixoso quarry, Lixa, Portugal 
  
           
 
  Ferronordite-(Ce) R130528 
  Na3 SrCeFe2+ Si6 O17  
  Rock Currier  
  Bolshoi Punkaruaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Ferroselite R070461 
  FeSe2  
  Michael Scott S105137 
  Virgin No. 3 mine, Paradox Valley, Uravan District,  Montrose County, Colorado, USA 
  
           
 
  Ferrosilite X050187 
  Fe2+ 2 Si2 O6  
  Caltech 418 
  unknown 
  
           
 
  Ferrosilite R070386 
  Fe2+ 2 Si2 O6  
  Subrata Ghose, collected by Ramberg  
  Greenland 
  
           
 
  Ferrosilite R070387 
  Fe2+ 2 Si2 O6  
  Jibamitra Ganguly  
  Central Gneissic Complex (Khtada Lake), British Columbia, Canada 
  
           
 
  Ferrostrunzite R100079 
  Fe2+ Fe3+ 2 (PO4 )2 (OH)2 ·6H2 O 
  Jeff Weissman  
  Hornerstown, Monmouth County, New Jersey, USA 
  
           
 
  Ferrowodginite R120166 
  Fe2+ Sn4+ Ta2 O8  
  Rock Currier  
  Nyanga #2 pegmatite, Ankloe, Uganda 
  
           
 
  Ferrowyllieite X050078 
  NaNaFe2+ (Fe2+ Al)(PO4 )3  
  Caltech  
  
           
 
  Ferrowyllieite R060178 
  NaNaFe2+ (Fe2+ Al)(PO4 )3  
  Marcus Origlieri  
  Victory mine, Custer County, South Dakota, USA 
  
           
 
  Ferrowyllieite R160068 
  NaNaFe2+ (Fe2+ Al)(PO4 )3  
  James Shigley  
  Victory mine, near Custer, Custer County, South Dakota, USA 
  
           
 
  Fersmanite R070290 
  Ca4 (Na,Ca)4 (Ti,Nb)4 (Si2 O7 )2 O8 F3  
  Michael Scott S103435 
  Vein No. 1 of Labuntsov, 3rd left tributary of Vuonnemijok river, Eveslogchorr Mt, Khibiny Massif, Kola peninsula, Murmanskaja oblast', Northern Region, Russia 
  
           
 
  Fersmite R060717 
  CaNb2 O6  
  Michael Scott S101205 
  Lueshe carbonatite, Kivu Province, Democratic Republic of the Congo 
  
           
 
  Feruvite R061109 
  CaFe2+ 3 (Al5 Mg)(Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Michael Scott S104927 
  Red Cross Lake, Manitoba, Canada 
  
           
 
  Fetiasite R100014 
  (Fe2+ ,Fe3+ ,Ti4+ )3 O2 As3+ 2 O5  
  William Pinch  
  Gorb, Binnental, Valais, Switzerland 
  
           
 
  Fettelite R100083 
  [Ag6 As2 S7 ][Ag10 HgAs2 S8 ] 
  William W Pinch  
  Chanarcillo, Chile 
  
           
 
  Fettelite R110042 
  [Ag6 As2 S7 ][Ag10 HgAs2 S8 ] 
  Institute of Mineralogy, University of Heidelberg  
  Nieder-Beerbach mine near Darmstadt, Odenwald, Germany 
  
           
 
  Fianelite R220039 
  Mn2+ 2 V2 O7 ·2H2 O 
  Philippe Roth  
  Fianel mine, Val Ferrera, Grisons, Switzerland 
  
           
 
  Fibroferrite R061076 
  Fe3+ (SO4 )(OH)·5H2 O 
  Michael Scott S101327 
  Cyprus 
  
           
 
  Fichtelite R190001 
  C19 H34  
  Stefan Schorn  
  Moor Bad Feilnbach, Bavaria , Germany 
  
           
 
  Fiedlerite R060859 
  Pb3 Cl4 F(OH)·H2 O 
  Michael Scott S100918 
  Laurium, Attica, Greece 
  
           
 
  Filatovite R070030 
  K(Al,Zn)2 (As,Si)2 O8  
  Michael Scott S105093 
  Great Tolbachik Eruption (1976), Tolbachik Volcano, Kamchatka Peninsula, Russia 
  
           
 
  Fillowite R110143 
  Na3 CaMn2+ 11 (PO4 )9  
  Donald M Doell   
  Gottcha claim, Cross Lake, Manitoba, Canada 
  
           
 
  Fingerite R070614 
  Cu11 O2 (VO4 )6  
  Michael Scott S103064 
  Izalco Volcano, Sonsonate Department, El Salvador 
  
           
 
  Finnemanite R140335 
  Pb5 (As3+ O3 )3 Cl 
  Rock Currier  
  Långban, Filipstad, Värmland, Sweden 
  
           
 
  Finnemanite R140329 
  Pb5 (As3+ O3 )3 Cl 
  Benjamin N. Schumer  
  Långban, Varmland, Sweden 
  
           
 
  Fizélyite R060175 
  Ag5 Pb14 Sb21 S48  
  Ty Balacko TB2 
  Van Silver mine, Squamish, British Columbia, Canada 
  
           
 
  Fizélyite R090068 
  Ag5 Pb14 Sb21 S48  
  Mark N. Feinglos  
  Herja(Kisbanya), Romania 
  
           
 
  Flaggite R210026 
  Pb4 Cu2+ 4 Te6+ 2 (SO4 )2 O11 (OH)2 (H2 O) 
  Anthony Kampf  
  Grand Central mine, Tombstone district, Cochise County, Arizona, USA 
  
           
 
  Flamite R150148 
  Ca8-x (Na,K)x (SiO4 )4-x (PO4 )x  
  S.V. Goryainov  
  The southern Hatrurim Basin, the Negev Desert, Israel 
  
           
 
  Fleischerite R120043 
  Pb3 Ge(SO4 )2 (OH)6 ·3H2 O 
  William W. Pinch  
  Tsumeb, Namibia 
  
           
 
  Flörkeite R141068 
  (K3 Ca2 Na)[Al8 Si8 O32 ]·12H2 O 
  Ch. and H. Schäfer  
  Seekante, Mayener Feld, Southern lava flow, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany 
  
           
 
  Fluckite R130556 
  CaMn2+ (AsO3 OH)2 ·2H2 O 
  Rock Currier  
  Alsace, France 
  
           
 
  Fluellite R070473 
  Al2 (PO4 )F2 (OH)·7H2 O 
  Michael Scott S105146 
  Gold Quarry mine (Maggie claims), Maggie Creek District, Eureka County, Nevada, USA 
  
           
 
  Fluoborite R061042 
  Mg3 (BO3 )F3  
  Royal Ontario Museum M52521 
  Kinmount, Ontario, Canada 
  
           
 
  Fluocerite-(Ce) R110058 
  CeF3  
  Rudy Bolona and Don Doell  
  Little Patsy pegmatite, South Platte Pegmatite District, Jefferson County, Colorado, USA 
  
           
 
  Fluor-buergerite R060132 
  NaFe3+ 3 Al6 (Si6 O18 )(BO3 )3 O3 F 
  University of Arizona Mineral Museum 13422 
  20 km. south of San Luis Potasi, Mexico 
  
           
 
  Fluor-dravite R110031 
  NaMg3 Al6 (Si6 O18 )(BO3 )3 (OH)3 F 
  William W Pinch  
  Kefalos Hill, Skotini Bay, Galissas, Syros Island, Aegean Sea, Greece 
  
           
 
  Fluor-elbaite R130035 
  Na(Li1.5 Al1.5 )Al6 (Si6 O18 )(BO3 )3 (OH)3 F 
  William W. Pinch  
  Aqueana pegmatite, Aracuai, Minas Gerais, Brazil 
  
           
 
  Fluor-liddicoatite R060635 
  Ca(Li2 Al)Al6 (Si6 O18 )(BO3 )3 (OH)3 F 
  Gemological Institute of America 06 
  unknown 
  
           
 
  Fluor-liddicoatite R060969 
  Ca(Li2 Al)Al6 (Si6 O18 )(BO3 )3 (OH)3 F 
  Michael Scott S100388 
  Antandro Komby mine, Manandona River, Antsirabe, Madagascar 
  
           
 
  Fluor-uvite R050172 
  CaMg3 (Al5 Mg)(Si6 O18 )(BO3 )3 (OH)3 F 
  Marcus Origlieri  
  Pierrepont, New York, USA 
  
           
 
  Fluor-uvite R050301 
  CaMg3 (Al5 Mg)(Si6 O18 )(BO3 )3 (OH)3 F 
  Eugene Schlepp  
  Brumado, Bahia, Brazil 
  
           
 
  Fluor-uvite R100151 
  CaMg3 (Al5 Mg)(Si6 O18 )(BO3 )3 (OH)3 F 
  William W. Pinch  
  Mozambique 
  
           
 
  Fluor-uvite R100154 
  CaMg3 (Al5 Mg)(Si6 O18 )(BO3 )3 (OH)3 F 
  William W. Pinch  
  Sri Lanka 
  
           
 
  Fluorapatite R040098 
  Ca5 (PO4 )3 F 
  Marcus Origlieri  
  Cerro de Mercado mine, Durango, Mexico 
  
           
 
  Fluorapatite R050122 
  Ca5 (PO4 )3 F 
  Carlos and Paulo Vasconcelos  
  Cruziero mine, San Jose, Minas Gerais, Brazil 
  
           
 
  Fluorapatite R050194 
  Ca5 (PO4 )3 F 
  Dave Bunk Minerals  
  Siglo XX mine, Llallagua, Bolivia 
  
           
 
  Fluorapatite R050192 
  Ca5 (PO4 )3 F 
  Dave Bunk Minerals  
  Fulford, Eagle County, Colorado, USA 
  
           
 
  Fluorapatite R050274 
  Ca5 (PO4 )3 F 
  Marcus Origlieri  
  Minas Gerais, Brazil 
  
           
 
  Fluorapatite R060070 
  Ca5 (PO4 )3 F 
  Dave Bunk  
  Panasqueira, Portugal 
  
           
 
  Fluorapatite X050079 
  Ca5 (PO4 )3 F 
  Caltech  
  Durango, Mexico 
  
           
 
  Fluorapatite R050340 
  Ca5 (PO4 )3 F 
  California Institute of Technology W-22416 
  Buckingham, Quebec, Canada 
  
           
 
  Fluorapatite R050369 
  Ca5 (PO4 )3 F 
  Eugene Schlepp  
  Russia 
  
           
 
  Fluorapatite R050401 
  Ca5 (PO4 )3 F 
  Bob Downs  
  Urbano mine, Golconda District, Minas Gerais, Brazil 
  
           
 
  Fluorapatite R050529 
  Ca5 (PO4 )3 F 
  University of Arizona Mineral Museum 3007 
  Limburg de an Lahn, Germany 
  
           
 
  Fluorapatite R050617 
  Ca5 (PO4 )3 F 
  University of Arizona Mineral Museum 12013 
  Santa Cruz, Sonora, Mexico 
  
           
 
  Fluorapatite R060184 
  Ca5 (PO4 )3 F 
  Lloyd Twaites  
  Yates mine, Otter Lake, Quebec, Canada 
  
           
 
  Fluorapatite R060333 
  Ca5 (PO4 )3 F 
  Michael Scott S100044 
  Lovozero Massif, Kola Peninsula, U.S.S.R. 
  
           
 
  Fluorapatite R060421 
  Ca5 (PO4 )3 F 
  Michael Scott S100073 
  Levant mine, St. Just, Cornwall, England 
  
           
 
  Fluorapophyllite-(K) R040095 
  KCa4 Si8 O20 F·8H2 O 
  University of Arizona Mineral Museum 6031 
  unknown 
  
           
 
  Fluorapophyllite-(K) R050021 
  KCa4 Si8 O20 F·8H2 O 
  Eugene Schlepp  
  Poona, Maharashtra State, India 
  
           
 
  Fluorapophyllite-(K) R050084 
  KCa4 Si8 O20 F·8H2 O 
  Rock Currier  
  near Ahmednagar, Maharashtra, India 
  
           
 
  Fluorapophyllite-(K) R060554 
  KCa4 Si8 O20 F·8H2 O 
  Gemological Institute of America 20 
  unknown 
  
           
 
  Fluorbritholite-(Ce) R070412 
  (Ce,Ca)5 (SiO4 )3 F 
  Michael Scott S105556 
  Lakarp, Norra Kärr, Gränna, Jönköping, Småland, Sweden 
  
           
 
  Fluorcalciobritholite R141089 
  (Ca,REE)5 (SiO4 ,PO4 )3 F 
  Ch. and H. Schäfer  
  In den Dellen, Laach lake volcano, Mendig, Eifel, Germany 
  
           
 
  Fluorcalciomicrolite R050625 
  (Ca,Na,◻)2 Ta2 O6 F 
  Gemological Center  
  Urubu mine, Itinga, Minas Gerais, Brazil 
  
           
 
  Fluorcalciomicrolite R070100 
  (Ca,Na,◻)2 Ta2 O6 F 
  Michael Scott S101220 
  Urucum mine, near Galilea, Minas Gerais, Brazil 
  
           
 
  Fluorcalciomicrolite R070365 
  (Ca,Na,◻)2 Ta2 O6 F 
  Michael Scott S104775 
  Ponte da Raiz mine, Minas Gerais, Southeast Brazil 
  
           
 
  Fluorcalciomicrolite R080146 
  (Ca,Na,◻)2 Ta2 O6 F 
  Luiz Menezes  
   Ipé mine, Governador, Valadares, Minas Gerias, Brazil 
  
           
 
  Fluorcalciomicrolite R090008 
  (Ca,Na,◻)2 Ta2 O6 F 
  Herb Obodda  
  Shigar Valley, Skardu District, Baltistan, Northern areas, Pakistan 
  
           
 
  Fluorcalciomicrolite R120127 
  (Ca,Na,◻)2 Ta2 O6 F 
  Marcelo Barbosa de Andrade  
  Volta Grande pegmatites (Volta Grande mine), Nazareno, Minas Gerais, Brazil 
  
           
 
  Fluorcalciomicrolite R120163 
  (Ca,Na,◻)2 Ta2 O6 F 
  Marcus Origlieri  
  Alto Ligonha, Mozambique 
  
           
 
  Fluorcalciomicrolite R130019 
  (Ca,Na,◻)2 Ta2 O6 F 
  Royal Ontario Museum M35101 
  Virgem da Lapa, Minas Gerais, Brazil  
  
           
 
  Fluorcalciomicrolite R130022 
  (Ca,Na,◻)2 Ta2 O6 F 
  Royal Ontario Museum M28607 
  Emdal mines, Muiane, Mozambique 
  
           
 
  Fluorcalciopyrochlore R060288 
  (Ca,Na)2 (Nb,Ti)2 O6 F 
  Herb Obodda 090 
  Tatarka River, Krasnoyarskiy Kray, Siberia, Russia 
  
           
 
  Fluorcalciopyrochlore R061003 
  (Ca,Na)2 (Nb,Ti)2 O6 F 
  Michael Scott S101331 
  Verity property, Blue River, British Columbia, Canada 
  
           
 
  Fluorcalciopyrochlore R110198 
  (Ca,Na)2 (Nb,Ti)2 O6 F 
  Donald Doell  
  St Lawrence Columbium mine, Oka complex, Oka, Quebec, Canada 
  
           
 
  Fluorcalcioroméite R120140 
  (Ca,Na)2 Sb5+ 2 O6 F 
  Marcelo Andrade  
  Starlera mine, Starlera Valley, Ferrera, Hinterrhein district, Grishun, Switzerland 
  
           
 
  Fluorcarletonite R180028 
  KNa4 Ca4 Si8 O18 (CO3 )4 F·H2 O 
  Ekaterina Kaneva  
  Murun massif, northwestern part of the Aldan Shield, Siberia, Russia 
  
           
 
  Fluorcarmoite-(BaNa) R220045 
  Ba◻Na2 Na2 ◻CaMg13 Al(PO4 )11 (PO3 OH)F2  
  Fernando Cámara  
  Riverbed of the upper Maremola Creek, Isallo, Savona, Liguria, Italy 
  
           
 
  Fluorellestadite R130124 
  Ca5 (SiO4 )1.5 (SO4 )1.5 F 
  Rock Currier  
  Kopeisk, South Urals, Russia 
  
           
 
  Fluorite R040099 
  CaF2  
  Bob Downs  
  Rock Candy mine, Grand Forks, British Columbia, Canada 
  
           
 
  Fluorite R050045 
  CaF2  
  Eugene Schlepp  
  Hunan Province, China 
  
           
 
  Fluorite R050046 
  CaF2  
  Eugene Schlepp  
  Shangbao, Lei Yang, Hunan Province, China 
  
           
 
  Fluorite R050115 
  CaF2  
  Syed Shah  
  Isthak Valley Iskardu, N.A. Gilgit, Pakistan 
  
           
 
  Fluorite R060548 
  CaF2  
  Gemological Institute of America 18 
  unknown 
  
           
 
  Fluorlamprophyllite R130421 
  (SrNa)Ti2 Na3 Ti(Si2 O7 )2 O2 F2  
  Gunnar Farber  
  Pocos de Caldas Plateau, Minas Gerais, Brazil 
  
           
 
  Fluornatromicrolite R060589 
  (Na1.5 Bi0.5 )Ta2 O6 F 
  Michael Scott S100787 
  Quixaba mine, Frei Martinho, Paraíba, Northeast Region, Brazil 
  
           
 
  Fluornatromicrolite R130021 
  (Na1.5 Bi0.5 )Ta2 O6 F 
  Royal Ontario Museum M47080 
  Fisher’s Ledge, Topsham, Maine, USA. 
  
           
 
  Fluoro-edenite R070003 
  NaCa2 Mg5 (Si7 Al)O22 F2  
  Michael Scott S103392 
  Cobden, Ontario, Canada 
  
           
 
  Fluoro-richterite R040019 
  Na(NaCa)Mg5 Si8 O22 F2  
  University of Arizona Mineral Museum 11037 
  Wilberforce, Ontario, Canada 
  
           
 
  Fluoro-richterite R060290 
  Na(NaCa)Mg5 Si8 O22 F2  
  Herb Obodda 066 
  Koschka Valley, Badakshan Province, Afghanistan 
  
           
 
  Fluorophlogopite R040039 
  KMg3 (Si3 Al)O10 F2  
  University of Arizona Mineral Museum 4635 
  Franklin, Sussex County, New Jersey, USA 
  
           
 
  Fluorophlogopite R040042 
  KMg3 (Si3 Al)O10 F2  
  University of Arizona Mineral Museum 9378 
  Franklin, Sussex County, New Jersey, USA 
  
           
 
  Fluorophlogopite R040075 
  KMg3 (Si3 Al)O10 F2  
  University of Arizona Mineral Museum 1429 
  unknown 
  
           
 
  Foitite R050356 
  ◻(Fe2+ 2 Al)Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  George Rossman  
  Fano mine, Cahuilla Mountain, Riverside County, California, USA 
  
           
 
  Foitite R050495 
  ◻(Fe2+ 2 Al)Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  California Institute of Technology W-20793 
  Coahuila Mountain, California, USA 
  
           
 
  Foitite R100088 
  ◻(Fe2+ 2 Al)Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Mark Mauthner  
  Oceanview mine, Chief Mountain, Pala District, San Diego County, California, USA 
  
           
 
  Foordite R130012 
  Sn2+ Nb2 O6  
  Michael Scott S101429 
  Manono, Shaba, Congo 
  
           
 
  Footemineite R090005 
  Ca2 Mn2+ 5 Be4 (PO4 )6 (OH)4 ·6H2 O 
  Luiz Menezes  
  Foote mine, North Carolina, USA 
  
           
 
  Fornacite R060932 
  CuPb2 (CrO4 )(AsO4 )(OH) 
  Bob Jenkins  
  Tiger, Arizona, USA 
  
           
 
  Fornacite R060986 
  CuPb2 (CrO4 )(AsO4 )(OH) 
  Bob Jenkins  
  Tombstone, Arizona, USA 
  
           
 
  Forsterite R040018 
  Mg2 (SiO4 ) 
  Bob Downs  
  Trudy's mine, San Carlos, Gila County, Arizona, USA 
  
           
 
  Forsterite R040052 
  Mg2 (SiO4 ) 
  Hideki Kanazawa of Kyoto University, Japan  
  Synthetic, Czochralski method 
  
           
 
  Forsterite R040057 
  Mg2 (SiO4 ) 
  Bob Downs  
  Trudy's mine, San Carlos, Gila County, Arizona, USA 
  
           
 
  Forsterite R050117 
  Mg2 (SiO4 ) 
  Farooq and Nazia Sawal  
  Sapat, Gilgit, Pakistan 
  
           
 
  Forsterite X050080 
  Mg2 (SiO4 ) 
  G.R. Rossman 1017 
  synthetic end member 
  
           
 
  Forsterite X050081 
  Mg2 (SiO4 ) 
  G.R. Rossman 1000 
  East Africa 
  
           
 
  Forsterite X050082 
  Mg2 (SiO4 ) 
  G.R. Rossman 1001 
  Morales 
  
           
 
  Forsterite X050085 
  Mg2 (SiO4 ) 
  G.R. Rossman 889 
  Zabargad 
  
           
 
  Forsterite X050086 
  Mg2 (SiO4 ) 
  G.R. Rossman 1345 
  Sri Lanka 
  
           
 
  Forsterite X050087 
  Mg2 (SiO4 ) 
  G.R. Rossman 1107 
  China 
  
           
 
  Forsterite X050088 
  Mg2 (SiO4 ) 
  Caltech  
  San Carlos, Arizona, USA 
  
           
 
  Forsterite X050089 
  Mg2 (SiO4 ) 
  RD Shannon 62047- 46 
  
           
 
  Forsterite X050090 
  Mg2 (SiO4 ) 
  Caltech  
  San Carlos, Arizona, USA 
  
           
 
  Forsterite R060539 
  Mg2 (SiO4 ) 
  Gemological Institute of America 19488 
  Sri Lanka 
  
           
 
  Forsterite R060535 
  Mg2 (SiO4 ) 
  Gemological Institute of America 3600 
  unknown 
  
           
 
  Forsterite R060551 
  Mg2 (SiO4 ) 
  Gemological Institute of America 25 
  Kohiston, Pakistan 
  
           
 
  Forsterite R100099 
  Mg2 (SiO4 ) 
  American Museum of Natural History 110942 
  Synthetic 
  
           
 
  Forsterite R100100 
  Mg2 (SiO4 ) 
  American Museum of Natural History 75382 
  Scott Creek, Jackson County,  North Carolina, USA 
  
           
 
  Forsterite R100101 
  Mg2 (SiO4 ) 
  American Museum of Natural History 75156 
  Yancey County,  North Carolina, USA 
  
           
 
  Forsterite R100140 
  Mg2 (SiO4 ) 
  William W. Pinch  
  Pakistan 
  
           
 
  Foshagite R070098 
  Ca4 (SiO3 )3 (OH)2  
  Michael Scott S101319 
  Crestmore, Califonia, USA 
  
           
 
  Fourmarierite R100187 
  Pb1-x O3-2x (UO2 )4 (OH)4+2x ·4H2 O 
  James Shigley  
  Shinkolobwe mine, Kasolo, Katanga, Congo 
  
           
 
  Francevillite R070159 
  Ba(UO2 )2 (VO4 )2 ·5H2 O 
  James Shigley  
  Mounana mine, Franceville, Haut-Ogooue, Gabon 
  
           
 
  Franciscanite R060056 
  Mn2+ 6 (V5+ ◻)(SiO4 )2 O3 (OH)3  
  Marcus Origlieri  
  Pennsylvania mine, Santa Clara County, California, USA 
  
           
 
  Franckeite R060946 
  Pb21.7 Sn9.3 Fe4.0 Sb8.1 S56.9  
  Lloyd Twaites  
  Hoei tin mine, Kyushu Island, Japan 
  
           
 
  Franckeite R140342 
  Pb21.7 Sn9.3 Fe4.0 Sb8.1 S56.9  
  James Shigley  
  Pacific Limestone Products Quarry, near Santa Cruz, Santa Cruz County, California, USA 
  
           
 
  Franconite R110185 
  NaNb2 O5 (OH)·3H2 O 
  Donald Doell  
  Poudrette quarry, Mont St-Hilaire, Quebec, Canada 
  
           
 
  Frankamenite R060100 
  K3 Na3 Ca5 Si12 O30 F3 (OH)·H2 O 
  University of Arizona Mineral Museum 16842 
  Murun Massif, Sakka, Yakutia, Russia 
  
           
 
  Franklinite R070137 
  ZnFe3+ 2 O4  
  Michael Scott S100420 
  Franklin mine, Franklin, Sussex County, New Jersey, USA 
  
           
 
  Franksousaite R210012 
  PbCu(Se6+ O4 )(OH)2  
  Jim McGlasson #9213 
  El Dragon mine, Potosi, Bolivia 
  
           
 
  Fredrikssonite R130112 
  Mg2 Mn3+ O2 (BO3 ) 
  Rock Currier  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Freieslebenite R060174 
  AgPbSbS3  
  Ty Balacko, TB 3 
  Van Silver mine, Vancouver, British Columbia, Canada 
  
           
 
  Fresnoite R050595 
  Ba2 TiO(Si2 O7 ) 
  Scott Kleine  
  Junnila claim, Clear Creek area, New Idria district, San Benito County, California, USA 
  
           
 
  Friedelite R060364 
  Mn2+ 8 Si6 O15 (OH)10  
  Herb Obodda 037 
  Sterling Hill mine, Ogdensburg, Sussex County, New Jersey, USA 
  
           
 
  Friedelite R070085 
  Mn2+ 8 Si6 O15 (OH)10  
  Bob Jenkins  
  Sterling Hill mine, Ogdensburg, New Jersey, USA 
  
           
 
  Frolovite R070469 
  Ca[B(OH)4 ]2  
  Michael Scott S105794 
  Solongo B deposit, Vitim Plateau, Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia 
  
           
 
  Frondelite R050622 
  (Mn2+ 0.5 Fe3+ 0.5 )2 Fe3+ 3 (PO4 )3 (OH)5  
  University of Arizona Mineral Museum 2647 
  Hagendorf, Bavaria, Germany 
  
           
 
  Froodite R070459 
  PdBi2  
  Michael Scott S105003 
  Oktyabr'sky mine, Noril'sk, Putoran Mountains, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia 
  
           
 
  Furutobeite R060937 
  (Cu,Ag)6 PbS4  
  William W. Pinch  
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Gadolinite-(Y) R060351 
  Y2 Fe2+ Be2 O2 (SiO4 )2  
  Herb Obodda 031 
  Hittero, Vest-Agder, Norway 
  
           
 
  Gadolinite-(Y) R070340 
  Y2 Fe2+ Be2 O2 (SiO4 )2  
  Michael Scott S103589 
  Ytterøya Mine, Røvika, Ytterøya (island), Levanger, Nord-Trøndelag, Norway 
  
           
 
  Gadolinite-(Y) R080129 
  Y2 Fe2+ Be2 O2 (SiO4 )2  
  Michael Scott S103589 
  Ytterøya mine, Røvika, Ytterøya (island), Levanger, Nord-Trøndelag, Norway 
  
           
 
  Gadolinite-(Y) R120138 
  Y2 Fe2+ Be2 O2 (SiO4 )2  
  William Shelton  
  Ytterby, Uppland, Sweden 
  
           
 
  Gadolinium gallium garnet X090005 
  Gemological Institute of America 11872 
  Synthetic 
  
           
 
  Gadolinium gallium garnet X090006 
  Gemological Institute of America 15729 
  Synthetic 
  
           
 
  Gadolinium gallium garnet X090007 
  Gemological Institute of America 11883 
  Synthetic 
  
           
 
  Gadolinium gallium garnet R110102 
  Gemological Institute of America 10-12-2010-7 
  Synthetic 
  
           
 
  Gagarinite-(Y) R060517 
  NaCaYF6  
  Michael Scott S100305 
  Gjerdingen, Nordmark, north of Oslo, Norway 
  
           
 
  Gageite R070471 
  Mn2+ 21 Si8 O27 (OH)20  
  Michael Scott S101448 
  Wessels mine, Hotazel, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Gahnite R040027 
  ZnAl2 O4  
  University of Arizona Mineral Museum 11402 
  Rowe, Franklin County, Massachusetts, USA 
  
           
 
  Gahnite X060004 
  ZnAl2 O4  
  University of Arizona Mineral Museum 3698 
  Claremont, Massachusetts, USA 
  
           
 
  Gahnite R070591 
  ZnAl2 O4  
  James Shigley  
  Jemaa, Kaduna, Nigeria 
  
           
 
  Gahnite R170037 
  ZnAl2 O4  
  Rock Currier  
  Silberberg mine, Bodenmais, Zwiesel, Bavarian Forest, Lower Bavaria, Bavaria, Germany 
  
           
 
  Gaidonnayite R070472 
  Na2 ZrSi3 O9 ·2H2 O 
  Michael Scott S104410 
  Poudrette quarry, Mont Saint-Hilaire, Rouville County, Québec, Canada 
  
           
 
  Gaidonnayite R140540 
  Na2 ZrSi3 O9 ·2H2 O 
  Luiz Menezes  
  Prefeitura quarry, Pocos de Caldas, Minas Gerais, Brazil 
  
           
 
  Gaitite R130625 
  Ca2 Zn(AsO4 )2 ·2H2 O 
  Rock Currier  
  Municipio de Pitiquito, Sonora, Mexico 
  
           
 
  Galaxite R140320 
  Mn2+ Al2 O4  
  Lyle Gordon  
  Bald Knob deposit, Bald Knob, Sparta, Alleghany County, North Carolina, USA 
  
           
 
  Galeite R130025 
  Na15 (SO4 )5 ClF4  
  Marcus Origlieri  
  Searles Lake, Trona, San Bernardino County, California, USA 
  
           
 
  Galeite R160078 
  Na15 (SO4 )5 ClF4  
  Rock Currier  
  Searles Lake, San Bernardino County, California, USA 
  
           
 
  Galena R060187 
  PbS 
  Lloyd Twaites  
  Polaris mine, Little Cornwallis Island, Northwest Territories, Canada 
  
           
 
  Galena R070325 
  PbS 
  James Shigley  
  Cumberland, England 
  
           
 
  Galenobismutite R110057 
  PbBi2 S4  
  William W Pinch  
  Vena Cobalt mines, Bergslagen, Sweden 
  
           
 
  Galkhaite R070394 
  (Hg5 Cu)CsAs4 S12  
  Michael Scott S104412 
  Getchell Mine, Adam Peak, Potosi District, Humboldt County, Nevada, USA 
  
           
 
  Galuskinite R130076 
  Ca7 (SiO4 )3 (CO3 ) 
  Thomas Ambruster  
  Birkhin gabbro massif, Eastern Siberia, Russia 
  
           
 
  Gamagarite R130111 
  Ba2 Fe3+ (VO4 )2 (OH) 
  Don Doell (Small piece), Rock Currier (Large piece)  
  Molinello mine, Graveglia Valley, Genova Province, Liguria, Italy 
  
           
 
  Ganomalite R050387 
  Pb9 Ca6 (Si2 O7 )4 (SiO4 )O 
  University of Arizona Mineral Museum 13168 
  Sells, Pima County, Arizona, USA 
  
           
 
  Garnet R141191 
  Yuntao Wu #177 
  Synthetic 
  
           
 
  Garronite-Ca R050281 
  Ca3 (Al6 Si10 O32 )·14H2 O 
  Marcus Origlieri  
  Pete's Point, Aneroid Lake, Wallowa County, Oregon, USA 
  
           
 
  Gartrellite R060881 
  PbCuFe3+ (AsO4 )2 (OH)·H2 O 
  Bob Jenkins  
  Ashburton Downs, Western Australia 
  
           
 
  Gaspéite R040157 
  Ni(CO3 ) 
  University of Arizona Mineral Museum 10112 
  Lemieux Township, Gaspe Nord County, Gaspe Peninsula, Quebec, Canada 
  
           
 
  Gaspéite R060366 
  Ni(CO3 ) 
  Herb Obodda 011 
  Pilbara Region, Western Australia, Australia 
  
           
 
  Gatumbaite R070388 
  CaAl2 (PO4 )2 (OH)2 ·H2 O 
  Michael Scott S104683 
  Buranga pegmatite, Gatumba District, Gisenyi Province, Rwanda 
  
           
 
  Gaudefroyite R050675 
  Ca4 Mn3+ 3 (BO3 )3 (CO3 )O3  
  University of Arizona Mineral Museum 14749 
  Wessels mine, Cape Province, South Africa 
  
           
 
  Gaylussite R040146 
  Na2 Ca(CO3 )2 ·5H2 O 
  University of Arizona Mineral Museum 13258 
  Searles Lake, Trona, San Bernardino County, California, USA 
  
           
 
  Gearksutite R050657 
  CaAlF4 (OH)·H2 O 
  University of Arizona Mineral Museum 13284 
  Jamestown, Colorado, USA 
  
           
 
  Gedrite R050339 
  ◻Mg2 (Mg3 Al2 )(Si6 Al2 )O22 (OH)2  
  California Institute of Technology W-203 
  Bamble, Telemark, Norway 
  
           
 
  Gehlenite R060841 
  Ca2 Al(SiAl)O7  
  Michael Scott S101000 
  Monzoni, Tyrol, Italy 
  
           
 
  Gehlenite R061091 
  Ca2 Al(SiAl)O7  
  Michael Scott S101599 
  Carneal Plug, Glenoe Larne District, County Antrim, Northern Ireland 
  
           
 
  Gehlenite R070478 
  Ca2 Al(SiAl)O7  
  Michael Scott S104474 
  Durham Ranch, South of Gillette, Sublette County, Wyoming, USA 
  
           
 
  Geikielite R070479 
  MgTiO3  
  Royal Ontario Museum M14941 
  Colombo, Sri Lanka 
  
           
 
  Gelosaite R120031 
  BiMo6+ (2-5x) Mo5+ 6x O7 (OH)·H2 O (0 < x < 0.4) 
  Pete Williams and Bill Pinch  
  Old 25 pipe, Kingsgate, New South Wales, Australia 
  
           
 
  Geminite R070434 
  Cu2+ (AsO3 OH)·H2 O 
  Michael Scott S104403 
  Jáchymov (St Joachimsthal), Ostrov, Krusné Hory Mountains (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic 
  
           
 
  Geminite R100200 
  Cu2+ (AsO3 OH)·H2 O 
  Bob Jenkins  
  Salsigne mine, Aude France 
  
           
 
  Genthelvite R080134 
  Be3 Zn4 (SiO4 )3 S 
  James Shigley  
  Rockport, Essex County, Massachusetts, USA 
  
           
 
  Georgbarsanovite R070101 
  Na12 (Mn,Sr,REE)3 Ca6 Fe2+ 3 Zr3 NbSi25 O76 Cl2 ·H2 O 
  Michael Scott S105094 
  Petrelius Mountain, Khibiny Massif, Kola Peninsula, Russia 
  
           
 
  Georgbokiite R070111 
  Cu5 O2 (Se4+ O3 )2 Cl2  
  Michael Scott S105096 
  Tolbachik Volcano, Kamchatka Peninsula, Russia 
  
           
 
  Georgechaoite R100082 
  KNaZrSi3 O9 ·2H2 O 
  Luiz Menezes   
  Pocos de Caldas, Minas Gerais, Brazil 
  
           
 
  Georgerobinsonite R110148 
  Pb4 (CrO4 )2 (OH)2 FCl 
  The University of Arizona Mineral Museum 5194 and 10550 
  Mammoth mine, Tiger, Pinal County, Arizona, USA 
  
           
 
  Gerdtremmelite R100224 
  ZnAl2 (AsO4 )(OH)5  
  William Pinch  
  Tsumeb, Namibia 
  
           
 
  Gerhardtite R120082 
  Cu2 (NO3 )(OH)3  
  Joe Ruiz  
  Tonapah-Belmont mine, Marizopa County, Arizona, USA 
  
           
 
  Germanite R050439 
  Cu13 Fe2 Ge2 S16  
  University of Arizona Mineral Museum 10953 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Gersdorffite R070343 
  NiAsS 
  Michael Scott S103593 
  Mitterberg, Salzburg, Austria 
  
           
 
  Gersdorffite R070304 
  NiAsS 
  Michael Scott S104592 
  Aït Ahmane, Bou Azzer, Anti-Atlas Mts, Morocco 
  
           
 
  Gersdorffite R070341 
  NiAsS 
  Michael Scott S104663 
  Lubietová (Libethen), Banská Bystrica (Neusohl) District, Banskobystrický kraj, Slovak Republic 
  
           
 
  Gerstleyite R060255 
  Na2 (Sb,As)8 S13 ·2H2 O 
  Michael Scott S100166 
  Western mine, Boron, Kern County, California, USA 
  
           
 
  Gerstleyite R060510 
  Na2 (Sb,As)8 S13 ·2H2 O 
  Michael Scott S100174 
  Baker mine, Boron, Kern County, California, USA 
  
           
 
  Gerstmannite R130646 
  Mn2+ MgZn(SiO4 )(OH)2  
  Rock Currier  
  Sterling mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex County, New Jersey, USA 
  
           
 
  Getchellite R050156 
  SbAsS3  
  Jim McGlasson  
  Khaidarkan, Kyrgyzstan 
  
           
 
  Getchellite R060109 
  SbAsS3  
  University of Arizona Mineral Museum 16076 
  Getchell mine, Humboldt County, Nevada, USA 
  
           
 
  Gianellaite R130648 
  (Hg2 N)2 (SO4 )(H2 O)x  
  Rock Currier  
  Perry Pit, Mariposa mine, Terlingua District, Brewster County, Texas, USA 
  
           
 
  Gibbsite R190038 
  Al(OH)3  
  Jim McGlasson  
  Mokrá, Žlutice, Karlovy Vary District, Karlovy Vary Region, Czech Republic 
  
           
 
  Gillardite R100074 
  Cu3 NiCl2 (OH)6  
  Marcus Origlieri  
  132 North deposit, Widgiemooltha, Western Australia, Australia 
  
           
 
  Gillardite R110068 
  Cu3 NiCl2 (OH)6  
  Renato & Adriana Pagano  
  132 North deposit, Widgiemooltha, Western Australia, Australia 
  
           
 
  Gillespite R060060 
  BaFe2+ Si4 O10  
  University of Arizona Mineral Museum 9721 
  Incline, California, USA 
  
           
 
  Gillespite R061031 
  BaFe2+ Si4 O10  
  Michael Scott S101347 
  La Madrelena mine, Tres Pozos, Municipio de Tecate, Baja California Norte, Mexico 
  
           
 
  Gillulyite R070433 
  Tl2 As7.5 Sb0.3 S13  
  Michael Scott S104722 
  Mercur Gold mine, Mercur District (Camp Floyd District), Oquirrh Mountains, Tooele County, Utah, USA 
  
           
 
  Gilmarite R130688 
  Cu2+ 3 (AsO4 )(OH)3  
  Bob Jenkins  
  El Guanaco mine, Guanaco, Santa Catalina, Antofagasta Province, Antofagasta Region, Chile 
  
           
 
  Giniite R060765 
  Fe2+ Fe3+ 4 (PO4 )4 (OH)2 ·2H2 O 
  Michael Scott S101093 
  Sandamab, Namibia 
  
           
 
  Ginorite R070305 
  Ca2 B14 O20 (OH)6 ·5H2 O 
  James Shigley  
  Mott Mine, Twenty Mule Team Canyon, Death Valley, Inyo County, California, USA 
  
           
 
  Gismondine-Ca R060809 
  Ca2 (Si4 Al4 )O16 ·8H2 O 
  Michael Scott S101162 
  Arensberg, Eifel Mountains, Germany 
  
           
 
  Gladiusite R070432 
  Fe3+ 2 Fe2+ 4 (PO4 )(OH)11 ·H2 O 
  Michael Scott S104714 
  Kovdor mine, Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Glass R170056 
  Rock Currier  
  Macusani Basin, Carabaya Province, Puno Department, Peru 
  
           
 
  Glass-(Ce) R110075 
  Elizabeth Cairns, University of Edinburgh  
  Synthetic 
  
           
 
  Glass-(Dy) R110082 
  Elizabeth Cairns, University of Edinburgh  
  Synthetic 
  
           
 
  Glass-(Er) R110084 
  Elizabeth Cairns, University of Edinburgh  
  Synthetic 
  
           
 
  Glass-(Eu) R110079 
  Elizabeth Cairns, University of Edinburgh  
  Synthetic 
  
           
 
  Glass-(Gd) R110080 
  Elizabeth Cairns, University of Edinburgh  
  Synthetic 
  
           
 
  Glass-(Ho) R110083 
  Elizabeth Cairns, University of Edinburgh  
  Synthetic 
  
           
 
  Glass-(La) R110074 
  Elizabeth Cairns, University of Edinburgh  
  Synthetic 
  
           
 
  Glass-(Lu) R110087 
  Elizabeth Cairns, University of Edinburgh  
  Synthetic 
  
           
 
  Glass-(Nd) R110077 
  Elizabeth Cairns, University of Edinburgh  
  Synthetic 
  
           
 
  Glass-(Pr) R110076 
  Elizabeth Cairns, University of Edinburgh  
  Synthetic 
  
           
 
  Glass-(Sm) R110078 
  Elizabeth Cairns, University of Edinburgh  
  Synthetic 
  
           
 
  Glass-(Tb) R110081 
  Elizabeth Cairns, University of Edinburgh  
  Synthetic 
  
           
 
  Glass-(Tm) R110085 
  Elizabeth Cairns, University of Edinburgh  
  Synthetic 
  
           
 
  Glass-(Y) R110073 
  Elizabeth Cairns, University of Edinburgh  
  Synthetic 
  
           
 
  Glass-(Yb) R110086 
  Elizabeth Cairns, University of Edinburgh  
  Synthetic 
  
           
 
  Glauberite R050350 
  Na2 Ca(SO4 )2  
  California Institute of Technology  
  Soda Lake, San Luis Obispo County, California, USA 
  
           
 
  Glauberite R070322 
  Na2 Ca(SO4 )2  
  James Shigley  
  Salton Sea, Imperial County, California, USA 
  
           
 
  Glaucocerinite R060831 
  (Zn1-x Alx )(SO4 )x/2 (OH)2 ·nH2 O (x < 0.5, n > 3x/2) 
  Michael Scott S101197 
  Laurion, Greece 
  
           
 
  Glaucodot R070644 
  (Co0.5 Fe0.5 )AsS 
  Michael Scott S104702 
  Hakansboda, Lindesberg, Västmanland, Sweden 
  
           
 
  Glaucodot R070294 
  (Co0.5 Fe0.5 )AsS 
  Michael Scott S104712 
  Hakansboda, Lindesberg, Västmanland, Sweden 
  
           
 
  Glauconite R070295 
  (K,Na)(Fe3+ ,Al,Mg)2 (Si,Al)4 O10 (OH)2  
  Michael Scott S104721 
  Hope Green Point, Coringa island, Queensland, Australia 
  
           
 
  Glaucophane R050333 
  ◻Na2 (Mg3 Al2 )Si8 O22 (OH)2  
  California Institute of Technology W-204 
  Cazadero, Sonoma County, California, USA 
  
           
 
  Glaucophane R070515 
  ◻Na2 (Mg3 Al2 )Si8 O22 (OH)2  
  James Shigley  
  La Beaume, near Turin, Piedmont, Italy 
  
           
 
  Glaucophane R120002 
  ◻Na2 (Mg3 Al2 )Si8 O22 (OH)2  
  Gunnar Farber  
  Cape Marmari, Grammata Bay, Syros Island, Aegean Sea, Greece 
  
           
 
  Glecklerite R230002 
  Na(C2 H3 O3 ) 
  Warren Lazar  
  Pusch Ridge, Santa Catalina Mountains, Tucson, Pima County, Arizona, USA 
  
           
 
  Glucine R070050 
  CaBe4 (PO4 )2 (OH)4 ·0.5H2 O 
  Michael Scott S105095 
  Boevskoye deposit, Middle Urals, Russia 
  
           
 
  Glushinskite R060318 
  Mg(C2 O4 )·2H2 O 
  Michael Scott S100313 
  Route 238, 25 miles west of Maricopa, Maricopa County, Arizona, USA 
  
           
 
  Gmelinite-Ca R061130 
  Ca2 (Si8 Al4 )O24 ·11H2 O 
  Michael Scott S104698 
  Fara Vicentino, Vicenza, Veneto, Italy 
  
           
 
  Gmelinite-Ca R070283 
  Ca2 (Si8 Al4 )O24 ·11H2 O 
  Michael Scott S104697 
  Montecchio Maggiore, Vicenza Province, Veneto, Italy 
  
           
 
  Gmelinite-Na R050371 
  Na4 (Si8 Al4 )O24 ·11H2 O 
  Eugene Schlepp  
  Cairns Bay, Flinders Range, Australia 
  
           
 
  Gmelinite-Na R060168 
  Na4 (Si8 Al4 )O24 ·11H2 O 
  Guy Ouellet  
  Five Islands, Nova Scotia, Canada 
  
           
 
  Gmelinite-Na R070354 
  Na4 (Si8 Al4 )O24 ·11H2 O 
  Michael Scott S104705 
  Island of Finders, Australia 
  
           
 
  Gmelinite-Na R110191 
  Na4 (Si8 Al4 )O24 ·11H2 O 
  Donald Doell  
  Mont St-Hilaire, Quebec, Canada 
  
           
 
  Godovikovite R070108 
  (NH4 )Al(SO4 )2  
  Michael Scott S100396 
  Kladno, Bohmen, Czech Republic 
  
           
 
  Goedkenite R130091 
  Sr2 Al(PO4 )2 (OH) 
  Mark N. Feinglos  
  Palermo #1 mine, near North Groton, Grafton County, New Hampshire, USA 
  
           
 
  Goedkenite R130667 
  Sr2 Al(PO4 )2 (OH) 
  Rock Currier  
  Palermo No. 1 mine, Groton, Grafton County, New Hampshire, USA 
  
           
 
  Goethite R050142 
  FeO(OH) 
  Dave Bunk Minerals  
  Park County, Colorado, USA 
  
           
 
  Goethite X050091 
  FeO(OH) 
  Caltech  
  Michigan, USA 
  
           
 
  Goethite X050093 
  FeO(OH) 
  Caltech  
  Negaunee, Michigan, USA 
  
           
 
  Goethite R120086 
  FeO(OH) 
  Michael Scott S102426 
  Alexander mine, Vrancice, Příbram, Central Bohemia Region, Bohemia, Czech Republic 
  
           
 
  Gold R070279 
  Au 
  Michael Scott S104564 
  Agua Fria Canyon Mine, Mariposa County, California, USA 
  
           
 
  Goldfieldite R110023 
  (Cu4 ◻2 )Cu6 Te4 S13  
  William Pinch  
  Mohawk mine, Goldfield, Esmeralda County, Nevada, USA 
  
           
 
  Goldichite R120120 
  KFe3+ (SO4 )2 ·4H2 O 
  Marcus Origlieri  
  Dexter #7 mine, San Rafael Swell, Emery County, Utah, USA 
  
           
 
  Goldmanite R061138 
  Ca3 V3+ 2 (SiO4 )3  
  Michael Scott S103402 
  Tetitice, Klatovy, Czechoslovakia 
  
           
 
  Goldmanite R090043 
  Ca3 V3+ 2 (SiO4 )3  
  Kevin Righter V-gar2 
  Synthetic 
  
           
 
  Goldmanite R090044 
  Ca3 V3+ 2 (SiO4 )3  
  Kevin Righter, V-gar3 
  Synthetic 
  
           
 
  Goldschmidtite R190009 
  KNbO3  
  Nicole Meyer  
  Koffiefontein, South Africa 
  
           
 
  Golyshevite R061047 
  Na10 Ca9 Zr3 Fe2 SiNb(Si3 O9 )2 (Si9 O27 )2 (OH)3 (CO3 )·H2 O 
  Michael Scott S100972 
  Mica mine, Kovdor, Kola, Russia 
  
           
 
  Gonnardite R100080 
  (Na,Ca)2 (Si,Al)5 O10 ·3H2 O 
  Ivano Rocchetti  
  Rio Chiavone nero, Fara, Breganze, Vicenza, Italy 
  
           
 
  Gonnardite R100081 
  (Na,Ca)2 (Si,Al)5 O10 ·3H2 O 
  Ivano Rocchetti  
  Chaux de Bergonne, Gignat, Puy de Dome, France 
  
           
 
  Gorceixite R060158 
  BaAl3 (PO4 )(PO3 OH)(OH)6  
  Mark Mauthner 3568 
  16 miles north of the Hess River, Mayo Mining District, Yukon Territory, Canada 
  
           
 
  Gordaite R100059 
  NaZn4 (SO4 )(OH)6 Cl·6H2 O 
  William W Pinch  
  San Francisco mine, Sierra Gorda, Chile 
  
           
 
  Gordonite R070437 
  MgAl2 (PO4 )2 (OH)2 ·8H2 O 
  Michael Scott S104490 
  Amatrice Hill, Stockton, Utah, USA 
  
           
 
  Gordonite R130671 
  MgAl2 (PO4 )2 (OH)2 ·8H2 O 
  Rock Currier  
  Near Milgun Station, Meekatharra Shire, Western Australia, Australia 
  
           
 
  Görgeyite R060578 
  K2 Ca5 (SO4 )6 ·H2 O 
  Michael Scott S100807 
  Inder Lake, West Kazakhstan, Kazakhstan 
  
           
 
  Gormanite R050093 
  Fe2+ 3 Al4 (PO4 )4 (OH)6 ·2H2 O 
  Rock Currier  
  Rapid Creek, Yukon Territory, Canada 
  
           
 
  Gormanite R080075 
  Fe2+ 3 Al4 (PO4 )4 (OH)6 ·2H2 O 
  Michael Scott S100786 
  Linopolis, Minas Gerais, Brazil 
  
           
 
  Götzenite R070449 
  Ca4 NaCa2 Ti(Si2 O7 )2 (OF)F2  
  Michael Scott S104517 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Götzenite R130110 
  Ca4 NaCa2 Ti(Si2 O7 )2 (OF)F2  
  Gunnar Farber  
  Pocos de Caldas, Pocos de Caldas Plateau, Minas Gerais, Brazil 
  
           
 
  Götzenite R140781 
  Ca4 NaCa2 Ti(Si2 O7 )2 (OF)F2  
  Ch. and H. Schäfer  
  Parco Chigi, Ariccia, Alban Hills, Rome Province, Latium, Italy 
  
           
 
  Götzenite R141182 
  Ca4 NaCa2 Ti(Si2 O7 )2 (OF)F2  
  Marcelo B. Andrade  
  Poços De Caldas, Minas Gerais, Brazil 
  
           
 
  Goudeyite R060268 
  Cu6 Al(AsO4 )3 (OH)6 ·3H2 O 
  Michael Scott S100173 
  Copper Stope, Majuba Hill mine, Pershing County, Nevada, USA 
  
           
 
  Gowerite R050673 
  Ca[B5 O8 (OH)][B(OH)3 ]·3H2 O 
  University of Arizona Mineral Museum 9074 
  Death Valley, California, USA 
  
           
 
  Goyazite R061054 
  SrAl3 (PO4 )(PO3 OH)(OH)6  
  Royal Ontario Museum M52410 
  Yukon Territory, Canada 
  
           
 
  Graemite R100207 
  Cu2+ (Te4+ O3 )·H2 O 
  Rob Lavinsky/Evan Jones   
  Cole shaft, Bisbee, Cochise County, Arizona, USA 
  
           
 
  Graeserite R110054 
  Fe3+ 4 Ti3 As3+ O13 (OH) 
  Bob Jenkins  
  Binntal, Wallis, Switzerland 
  
           
 
  Graftonite R070153 
  Fe2+ Fe2+ 2 (PO4 )2  
  James Shigley  
  Bull Moose mine, Custer, Custer County, South Dakota, USA 
  
           
 
  Grandaite R220046 
  Sr2 Al(AsO4 )2 (OH) 
  Fernando Cámara  
  Valletta mine, Maira Valley, Piedmont, Italy 
  
           
 
  Grandidierite R050196 
  MgAl3 O2 (BO3 )(SiO4 ) 
  Marcus Origlieri  
  Madagascar 
  
           
 
  Grandreefite R100012 
  Pb2 (SO4 )F2  
  Natural History Museum of Los Angeles County LACMNH 33608 
  Grand Reef mine, Klondyke, Aravaipa District, Graham County, Arizona, USA 
  
           
 
  Grandviewite R070667 
  Cu3 Al2 (SO4 )(OH)10 ·H2 O 
  George Stevens, Malcom Alter  
  Grand View mine, Coconino County, Arizona, USA 
  
           
 
  Graphite R050503 
  C 
  Marcus Origlieri  
  Sterling mine, Ogdensburg, New Jersey, USA 
  
           
 
  Graphite R090047 
  C 
  Wendell Wilson  
  Merelani, Tanzania 
  
           
 
  Graphite R120025 
  C 
  Donald Doell  
  Saint-Sauveur Graphite occurrence, Saint-Sauveur, Les Pays-d'en-Haut RCM, Laurentides, Québec, Canada 
  
           
 
  Gratonite R050365 
  Pb9 As4 S15  
  University of Arizona Mineral Museum 10998 
  Cerro de Pasco, Peru 
  
           
 
  Gratonite R060956 
  Pb9 As4 S15  
  Bob Jenkins  
  Rio Tinto mine, Rio Tinto, Huelva Province, Spain 
  
           
 
  Gravegliaite R210022 
  Mn2+ (S4+ O3 )·3H2 O 
  Michael Scott S104418 
  Gambatesa Mine, Graveglia Valley, Genova Province, Liguria, Italy 
  
           
 
  Gravegliaite R130676 
  Mn2+ (S4+ O3 )·3H2 O 
  Rock Currier  
  Valgraveglia mine, Reppia, Graveglia Valley, Ne, Genova Province, Liguria, Italy 
  
           
 
  Greenockite R060091 
  CdS 
  University of Arizona Mineral Museum 3396 
  Mono County, California, USA 
  
           
 
  Greenockite R060110 
  CdS 
  University of Arizona Mineral Museum 14972 
  San Juan mine, Dragoon Mountains, Cochise County, Arizona, USA 
  
           
 
  Greenockite R070017 
  CdS 
  Mark Mauthner 1630 
  Siglo XX Mine, Llallagua, Potosi Department, Bolivia 
  
           
 
  Greenockite R090045 
  CdS 
  Carl Ingerson via UAMM  
  Synthetic 
  
           
 
  Greifensteinite R060588 
  Ca2 Be4 Fe2+ 5 (PO4 )6 (OH)4 ·6H2 O 
  Michael Scott S100786 
  João Teodoro mine, Linópolis district, Divino das Laranjeiras, Minas Gerais, Brazil 
  
           
 
  Greifensteinite R070613 
  Ca2 Be4 Fe2+ 5 (PO4 )6 (OH)4 ·6H2 O 
  Dakota Matrix Minerals  
  Tip Top mine, Custer County, South Dakota, USA 
  
           
 
  Greifensteinite R100221 
  Ca2 Be4 Fe2+ 5 (PO4 )6 (OH)4 ·6H2 O 
  Luiz Menezes  
  Xanda mine, Virgem da Lapa, Minas Gerais, Brazil 
  
           
 
  Greigite R120103 
  Fe2+ Fe3+ 2 S4  
  Bob Jenkins  
  Alacrán mine, Pampa Larga district, Tiara Maria, Copiapó, Chile 
  
           
 
  Griceite R070436 
  LiF 
  Michael Scott S104425 
  Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville County, Québec, Canada 
  
           
 
  Grimselite R141028 
  K3 Na(UO2 )(CO3 )3 ·H2 O 
  William W. Pinch  
  Rovnost Mine, Jáchymov, Krušné Hory Mts, Karlovy Vary, Bohemia, Czech Republic 
  
           
 
  Griphite R050618 
  Ca(Mn2+ ,Na,Li)6 Fe2+ Al2 (PO4 )6 (F,OH)2  
  University of Arizona Mineral Museum 7907 
  Pennington County, South Dakota, USA 
  
           
 
  Grischunite R130677 
  NaCa2 Mn2+ 5 Fe3+ (AsO4 )6 ·2H2 O 
  Rock Currier  
  Falotta, Tinizong, Oberhalbstein, Grischun, Switzerland 
  
           
 
  Grossular R040065 
  Ca3 Al2 (SiO4 )3  
  University of Arizona Mineral Museum 11764 
  Feng Tien mine, Taiwan 
  
           
 
  Grossular R040066 
  Ca3 Al2 (SiO4 )3  
  University of Arizona Mineral Museum 7979 
  Redding, Connecticut, USA 
  
           
 
  Grossular X060020 
  Ca3 Al2 (SiO4 )3  
  University of Arizona Mineral Museum 13402 
  Laguna de Jaco, Chihuahua, Mexico 
  
           
 
  Grossular R050081 
  Ca3 Al2 (SiO4 )3  
  Rock Currier  
  Kayes Region, Mali 
  
           
 
  Grossular R050036 
  Ca3 Al2 (SiO4 )3  
  Eugene Schlepp  
  Wah Wah Mountains, Utah, USA 
  
           
 
  Grossular R050312 
  Ca3 Al2 (SiO4 )3  
  Eugene Schlepp  
  Eden Mills mine, Vermont, USA 
  
           
 
  Grossular R060278 
  Ca3 Al2 (SiO4 )3  
  Herb Obodda 063 
  Diakon, Kayes Region, Mali 
  
           
 
  Grossular R060382 
  Ca3 Al2 (SiO4 )3  
  Herb Obodda 041 
  Lalatema, near Mount Kilimanjaro, Tanzania 
  
           
 
  Grossular R060442 
  Ca3 Al2 (SiO4 )3  
  Gemological Institute of America 29 
  Pakistan(?) 
  
           
 
  Grossular R060443 
  Ca3 Al2 (SiO4 )3  
  Gemological Institute of America 16 
  unknown 
  
           
 
  Grossular R060444 
  Ca3 Al2 (SiO4 )3  
  Gemological Institute of America 28 
  Pakistan (?) 
  
           
 
  Grossular R060446 
  Ca3 Al2 (SiO4 )3  
  Gemological Institute of America 4 
  Africa 
  
           
 
  Grossular R060452 
  Ca3 Al2 (SiO4 )3  
  Gemological Institute of America 5796 
  unknown 
  
           
 
  Grossular R060453 
  Ca3 Al2 (SiO4 )3  
  Gemological Institute of America 5796 
  unknown 
  
           
 
  Grossular R060499 
  Ca3 Al2 (SiO4 )3  
  Michael Scott S100295 
  Lake Jaco, Chihuahua, Mexico 
  
           
 
  Grossular R070551 
  Ca3 Al2 (SiO4 )3  
  www.multicolour.com  
  Mali 
  
           
 
  Grossular R100146 
  Ca3 Al2 (SiO4 )3  
  William W. Pinch  
  Sri Lanka 
  
           
 
  Grossular R100152 
  Ca3 Al2 (SiO4 )3  
  William W. Pinch  
  Matara, Sri Lanka 
  
           
 
  Grossular R100160 
  Ca3 Al2 (SiO4 )3  
  William W. Pinch  
  Kataragama, Sri Lanka 
  
           
 
  Grossular R100161 
  Ca3 Al2 (SiO4 )3  
  William W. Pinch  
  Kenya 
  
           
 
  Grossular R141207 
  Ca3 Al2 (SiO4 )3  
  Rock Currier  
  Katkamsandi, Hazaribagh District, Jharkhand, India 
  
           
 
  Groutite R070583 
  Mn3+ O(OH) 
  James Shigley  
  Marble Canyon, Gunnison County, Colorado, USA 
  
           
 
  Groutite R080004 
  Mn3+ O(OH) 
  Michael Scott S101187 
  Roberts mine, Crosby, Minnesota, USA 
  
           
 
  Grunerite R040150 
  ◻Fe2+ 2 Fe2+ 5 Si8 O22 (OH)2  
  University of Arizona Mineral Museum 13760 
  Smallwood mine, Heath Lake, Newfoundland, Canada 
  
           
 
  Grunerite X050095 
  ◻Fe2+ 2 Fe2+ 5 Si8 O22 (OH)2  
  G.R. Rossman 1635 
  Mount Write, Mistassini, Quebec, Canada 
  
           
 
  Grunerite R060062 
  ◻Fe2+ 2 Fe2+ 5 Si8 O22 (OH)2  
  University of Arizona Mineral Museum 16157 
  2C mine, Broken Hill, New South Wales, Australia 
  
           
 
  Grunerite R070204 
  ◻Fe2+ 2 Fe2+ 5 Si8 O22 (OH)2  
  California Institute of Technology CIT-9702 
  Penge mine, Transvaal, South Africa 
  
           
 
  Grunerite R070186 
  ◻Fe2+ 2 Fe2+ 5 Si8 O22 (OH)2  
  California Institute of Technology CIT-6816 
  Homestake mine, 3800' level, Lead, Lawrence County, South Dakota, USA 
  
           
 
  Grunerite R070267 
  ◻Fe2+ 2 Fe2+ 5 Si8 O22 (OH)2  
  Michael Scott S101449 
  Långfall mine (Saxberg mine),  Saxberget ore field,  Ludvika,  Dalarna,  Sweden 
  
           
 
  Guanacoite R060811 
  Cu2 Mg3 (OH)4 (AsO4 )2 ·4H2 O 
  Bob Jenkins  
  Guanaco mine, Tal Tal, Chile 
  
           
 
  Guanajuatite R080140 
  Bi2 Se3  
  James Shigley  
  Falun, Dalarna, Sweden 
  
           
 
  Guangyuanite R210013 
  Pb3 Cl3 (Se4+ O3 )(OH) 
  Jim McGlasson #9213 
  El Dragón mine, Antonio Quijarro Province, Potosí Department, Bolivia 
  
           
 
  Gudmundite R060741 
  FeSbS 
  Michael Scott S101199 
  Pezinok, Czechoslovakia 
  
           
 
  Guilleminite R090007 
  Ba(UO2 )3 (Se4+ O3 )2 O2 ·3H2 O 
  William W. Pinch  
  Musonoi mine, Kolwezi, Katanga, Democratic Republic of the Congo 
  
           
 
  Guite R180022 
  Co2+ Co3+ 2 O4  
  Xiangping Gu  
  Sicomines copper-cobalt mine, near Kolwezi City, Democratic Republic of Congo 
  
           
 
  Gunningite R070571 
  Zn(SO4 )·H2 O 
  James Shigley  
  Rammelsberg, Goslar, Harz Mountains, Lower Saxony, Germany 
  
           
 
  Günterblassite R141209 
  (K,Ca,Ba,Na,◻)3 Fe[(Si,Al)13 O25 (OH,O)4 ]·7H2 O 
  Ch. and H. Schäfer  
  Rother Kopf, Gerolstein, Eifel, Germany 
  
           
 
  Gustavite R100202 
  AgPbBi3 S6  
  William W Pinch  
  Level 390, Vein 14, Mina Herminia, Julcani District, Huancavelica, Peru 
  
           
 
  Gustavite R100203 
  AgPbBi3 S6  
  William W Pinch  
  Level 390, Vein 14, Mina Herminia, Julcani District, Huancavelica, Peru 
  
           
 
  Gustavite R110004 
  AgPbBi3 S6  
  William W Pinch  
  Rotgulden, Murwinkel, Lungau, Salzburg, Austria 
  
           
 
  Gustavite R110011 
  AgPbBi3 S6  
  William Pinch  
  Rotgulden, Salzburg, Austria 
  
           
 
  Guyanaite R070444 
  CrO(OH) 
  Michael Scott S104672 
  Merume river, Kamakusa, Mazaruni District, Guyana 
  
           
 
  Gypsum R040029 
  Ca(SO4 )·2H2 O 
  University of Arizona Mineral Museum 4885 
  Twin Buttes, Pima County, Arizona, USA 
  
           
 
  Gypsum X050096 
  Ca(SO4 )·2H2 O 
  Caltech  
  
           
 
  Gypsum X050097 
  Ca(SO4 )·2H2 O 
  Caltech  
  Cave of Swords, Naica, Chihuahua, Mexico 
  
           
 
  Gypsum X050098 
  Ca(SO4 )·2H2 O 
  Caltech  
  Lake Mead, Arizona, USA 
  
           
 
  Gypsum X050099 
  Ca(SO4 )·2H2 O 
  CIT 628 
  Pomiaia, Italy 
  
           
 
  Gypsum R060509 
  Ca(SO4 )·2H2 O 
  Michael Scott S100215 
  Pierre Shale, Hermosa, Custer County, South Dakota, USA 
  
           
 
  Gyrolite R060163 
  NaCa16 (Si23 Al)O60 (OH)8 ·14H2 O 
  Marcus Origlieri  
  Bombay, India 
  
           
 
  Gysinite-(Nd) R100062 
  PbNd(CO3 )2 (OH)·H2 O 
  William W Pinch  
  Kasompi, 70 km west of Kambove, Katanga, Congo 
  
           
 
  Hafnon X050100 
  Hf(SiO4 ) 
  Caltech  
  synthetic, grown by J.Hanchar 
  
           
 
  Hafnon R060987 
  Hf(SiO4 ) 
  Alex Speer  
  Synthetic 
  
           
 
  Hagendorfite R130128 
  Na2 MnFe2+ Fe3+ (PO4 )3  
  Rock Currier  
  Hagendorf, Waidhaus, Vohenstrauß, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany 
  
           
 
  Hagendorfite R160083 
  Na2 MnFe2+ Fe3+ (PO4 )3  
  Rock Currier  
  Palermo No. 1 mine, Groton, Grafton County, New Hampshire, USA 
  
           
 
  Hainite-(Y) R141183 
  (Ca3 Y)Na(NaCa)Ti(Si2 O7 )2 (OF)F2  
  Marcelo B. Andrade  
  Langesund Fjord, Norway 
  
           
 
  Haiweeite R060732 
  Ca(UO2 )2 (Si5 O12 )(OH)2 ·6H2 O 
  Bob Jenkins  
  Los Azules, Copiapo, Chile 
  
           
 
  Haiweeite R061051 
  Ca(UO2 )2 (Si5 O12 )(OH)2 ·6H2 O 
  Michael Scott S101400 
  Teofoli Otoni, Minas Gerais, Brazil 
  
           
 
  Håleniusite-(La) R060808 
  LaOF 
  Michael Scott S101164 
  Bastnas, Sweden 
  
           
 
  Halite R070292 
  NaCl 
  Michael Scott S104647 
  Stassfurt, Stassfurt Deposit, Saxony-Anhalt, Germany 
  
           
 
  Halite R070534 
  NaCl 
  James Shigley  
  Searles Lake, San Bernadino County, California, USA 
  
           
 
  Halite R070586 
  NaCl 
  James Shigley  
  Heringen, Werra Valley, Hesse, Germany 
  
           
 
  Halotrichite R060118 
  Fe2+ Al2 (SO4 )4 ·22H2 O 
  University of Arizona Mineral Museum 4992 
  Alum Canyon, Patagonia Mountains, Arizona, USA 
  
           
 
  Halotrichite R070673 
  Fe2+ Al2 (SO4 )4 ·22H2 O 
  Malcolm Alter  
  Orphan mine, Grand Canyon, Coconino County, Arizona, USA 
  
           
 
  Hambergite X050101 
  Be2 (BO3 )(OH) 
  Caltech  
  
           
 
  Hambergite R050603 
  Be2 (BO3 )(OH) 
  Bill Larson  
  Momeik, Burma 
  
           
 
  Hambergite R050672 
  Be2 (BO3 )(OH) 
  University of Arizona Mineral Museum 2498 
  Anjanabonoina, Madagascar 
  
           
 
  Hammarite R110028 
  Cu2 Pb2 Bi4 S9  
  Bob Jenkins   
  Baita Mining District (Baita Bihor; Rezbanya), Nucet, Bihor Co., Romania 
  
           
 
  Hanksite R050291 
  KNa22 (SO4 )9 (CO3 )2 Cl 
  Marcus Origlieri  
  Searles Lake, Trona, San Bernardino County, California, USA 
  
           
 
  Hannebachite R060572 
  Ca(SO3 )·0.5H2 O 
  Michael Scott S100164 
  Hannebacher Ley, near Hannebach, Eifel, Germany 
  
           
 
  Hardystonite R040026 
  Ca2 ZnSi2 O7  
  University of Arizona Mineral Museum 9385 
  Franklin, Sussex County, New Jersey, USA 
  
           
 
  Harmotome R070015 
  Ba2 (Si12 Al4 )O32 ·12H2 O 
  Michael Scott S101021 
  Old Kilpatrick, Dumbartonshire, Scotland 
  
           
 
  Harmotome R070016 
  Ba2 (Si12 Al4 )O32 ·12H2 O 
  Michael Scott S101329 
  Idar-Oberstein, Germany 
  
           
 
  Hashemite R100120 
  Ba(CrO4 ) 
  William W. Pinch  
  60 kilometers south east of Aman, West Central Jordan 
  
           
 
  Hastingsite R070124 
  NaCa2 (Fe2+ 4 Fe3+ )(Si6 Al2 )O22 (OH)2  
  Mark Mauthner 1017 
  Clea Claims, Pelly River area, Yukon Territory, Canada 
  
           
 
  Hastingsite R070194 
  NaCa2 (Fe2+ 4 Fe3+ )(Si6 Al2 )O22 (OH)2  
  California Institute of Technology CIT-2030 
  Seglenge, Sweden 
  
           
 
  Hastingsite R070250 
  NaCa2 (Fe2+ 4 Fe3+ )(Si6 Al2 )O22 (OH)2  
  Michael Scott S100448 
  unnamed quarry, Dmitrievka village, Mariupol' Massif (Oktyabr'skii), Azov Sea Region, Donetsk Oblast', Ukraine 
  
           
 
  Hatchite R100058 
  AgTlPbAs2 S5  
  William W Pinch  
  Lengenbach quarry, Binnental, Canton Wallis, Switzerland 
  
           
 
  Hauchecornite R060851 
  Ni9 BiSbS8  
  Michael Scott S100923 
  Vermilion mine, Sudbury, Ontario, Canada 
  
           
 
  Hauerite R070438 
  MnS2  
  Michael Scott S102367 
  Machov, Poland 
  
           
 
  Hauerite R070506 
  MnS2  
  James Shigley  
  Destricella mine, Raddusa, Catania Province, Italy 
  
           
 
  Hausmannite R040090 
  Mn2+ Mn3+ 2 O4  
  University of Arizona Mineral Museum 3747 
  Öhrenstock, Ilmenau, near Thuringia, Germany 
  
           
 
  Hausmannite R040091 
  Mn2+ Mn3+ 2 O4  
  University of Arizona Mineral Museum 13616 
  Germany 
  
           
 
  Hausmannite R060512 
  Mn2+ Mn3+ 2 O4  
  Michael Scott S100308 
  N'Chwaning II mine, Kalahari manganese field, northern Cape Province, Republic of South Africa 
  
           
 
  Hausmannite R110179 
  Mn2+ Mn3+ 2 O4  
  Smithsonian  
  Cumbria, England 
  
           
 
  Haüyne R040023 
  Na3 Ca(Si3 Al3 )O12 (SO4 ) 
  University of Arizona Mineral Museum 6685 
  Cazadero river, Ovalle, Limarí Province, Coquimbo, Chile 
  
           
 
  Haüyne X060005 
  Na3 Ca(Si3 Al3 )O12 (SO4 ) 
  University of Arizona Mineral Museum 10354 
  Teputa, French Polynesia 
  
           
 
  Haüyne R050606 
  Na3 Ca(Si3 Al3 )O12 (SO4 ) 
  University of Arizona Mineral Museum  
  Ariccia, near Rome, Italy 
  
           
 
  Haüyne R070121 
  Na3 Ca(Si3 Al3 )O12 (SO4 ) 
  Michael Scott S100419 
  Hesse, Germany 
  
           
 
  Haüyne R070557 
  Na3 Ca(Si3 Al3 )O12 (SO4 ) 
  Farooq Hashmi  
  Badakhshan, Afghanistan 
  
           
 
  Hawleyite R061010 
  CdS 
  Michael Scott S101323 
  Eureka County, Nevada, USA 
  
           
 
  Haxonite R070034 
  (Fe,Ni)23 C6  
  Michael Scott S105101 
  Egvekinot meteorite, Chukot Province, Russia 
  
           
 
  Haydeeite R120085 
  Cu3 Mg(OH)6 Cl2  
  Bob Jenkins  
  Haydee mine, Salar Grande, Atacama desert, Chile 
  
           
 
  Haynesite R060599 
  (UO2 )3 (Se4+ O3 )2 (OH)2 ·5H2 O 
  Michael Scott S100801 
  Repete mine, San Juan County, Utah, USA 
  
           
 
  Hazenite R100029 
  KNaMg2 (PO4 )2 ·14H2 O 
  Hexiong Yang  
  Mono Lake, California, USA 
  
           
 
  Heazlewoodite R061074 
  Ni3 S2  
  Michael Scott S102794 
  Tasmania, Australia 
  
           
 
  Hectorfloresite R080117 
  Na9 (IO3 )(SO4 )4  
  Bob Jenkins  
  Pampa Rica, Antofagasta Province, Chile 
  
           
 
  Hectorite R050134 
  Na0.3 (Mg,Li)3 Si4 O10 (F,OH)2 ·nH2 O 
  University of Arizona Mineral Museum 10606 
  Hector, California, USA 
  
           
 
  Hedenbergite R050030 
  CaFe2+ Si2 O6  
  University of Arizona Mineral Museum 4120 
  Heroult, Ontario, Canada 
  
           
 
  Hedenbergite R060040 
  CaFe2+ Si2 O6  
  University of Arizona Mineral Museum 13444 
  Rio Marina, Elba, Italy 
  
           
 
  Hedenbergite R070136 
  CaFe2+ Si2 O6  
  Mark Mauthner 2426 
  Vesper Peak, Snohomish County, Washington, USA 
  
           
 
  Hedenbergite R070236 
  CaFe2+ Si2 O6  
  Michael Scott S104166 
  Dal'Negorsk, Primorskiy Kray; far eastern, Russia 
  
           
 
  Hedleyite R100114 
  Bi7 Te3  
  Robert Woodside  
  Good Hope mine, Hedley, British Columbia, Canada 
  
           
 
  Heidornite R141086 
  Na2 Ca3 B5 O8 (SO4 )2 (OH)2 Cl 
  Rock Currier  
  Bahrenborstel, Hannover, Germany 
  
           
 
  Heinrichite R060254 
  Ba(UO2 )2 (AsO4 )2 ·10H2 O 
  Michael Scott S100264 
  White King mine, 14 miles northwest of Lakeview, Lake County, Oregon, USA 
  
           
 
  Heisenbergite R140422 
  (UO2 )(OH)2 ·H2 O 
  Thomas Theye  
  Menzenschwand, Southern Black Forest, Baden Württemberg, Germany 
  
           
 
  Heklaite R090034 
  KNaSiF6  
  Thomas P. Moore  
  Bone Valley district, Bartow, Polk County, Florida 
  
           
 
  Heklaite P001140 
  KNaSiF6  
  ScottLab P001140 
  Virtual 
  
           
 
  Hellandite-(Ce) R061013 
  (Ca,REE)4 Ce2 Al◻2 (B4 Si4 O22 )(OH)2  
  Michael Scott S102789 
  Campo Pefella, near Capranica, Viterbo, Latium, Italy 
  
           
 
  Hellyerite R061050 
  Ni(CO3 )·6H2 O 
  Michael Scott S102799 
  Lord Brassy mine, Tasmania, Australia 
  
           
 
  Helvine R060059 
  Be3 Mn2+ 4 (SiO4 )3 S 
  University of Arizona Mineral Museum 16161 
  Schwarzenberg, Saxony, Germany 
  
           
 
  Helvine R060621 
  Be3 Mn2+ 4 (SiO4 )3 S 
  Michael Scott S100830 
  Foote mine, Kings Mountain District, Cleveland County, North Carolina, USA 
  
           
 
  Hematite R040024 
  Fe2 O3  
  University of Arizona Mineral Museum 12904 
  near Covered Wells, Papago Indian Reservation, Arizona, USA 
  
           
 
  Hematite X050102 
  Fe2 O3  
  CIT - 2058 
  Michigan, USA 
  
           
 
  Hematite R050300 
  Fe2 O3  
  Eugene Schlepp  
  Argentina 
  
           
 
  Hematite R060190 
  Fe2 O3  
  Lloyd Twaites  
  Florence mine, Egremont, Cumbria, England 
  
           
 
  Hematite R070240 
  Fe2 O3  
  Michael Scott S103456 
  Moshgai, Gobi Desert, Mongolia 
  
           
 
  Hematite R110013 
  Fe2 O3  
  University of Arizona Mineral Museum UAMM6901 
  Itabira, Minas Gerais, Brazil 
  
           
 
  Hematophanite R070638 
  Pb4 Fe3+ 3 O8 (Cl,OH) 
  William W. Pinch  
  Kombat mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia 
  
           
 
  Hemihedrite R050551 
  ZnPb10 (CrO4 )6 (SiO4 )2 (OH)2  
  Dave Bunk Minerals  
  Belmont Mountains, Wickenberg, Maricopa County, Arizona, USA 
  
           
 
  Hemihedrite R140133 
  ZnPb10 (CrO4 )6 (SiO4 )2 (OH)2  
  Ron Gibbs  
  Florence mine, Ripsey Hill Area, Ripsey District, Tortilla Mts, Pinal County, Arizona, USA 
  
           
 
  Hemihedrite R140134 
  ZnPb10 (CrO4 )6 (SiO4 )2 (OH)2  
  Ron Gibbs  
  Rat Tail Claim, Wickenburg Area, Belmont Mts, Maricopa County, Arizona, USA 
  
           
 
  Hemihedrite R141184 
  ZnPb10 (CrO4 )6 (SiO4 )2 (OH)2  
  Marcus Origlieri  
  Rat Tail Claim, Wickenburg Area, Belmont Mts, Maricopa County, Arizona, USA 
  
           
 
  Hemimorphite R040117 
  Zn4 (Si2 O7 )(OH)2 ·H2 O 
  University of Arizona Mineral Museum 16325 
  Durango, Mexico 
  
           
 
  Hemimorphite R070536 
  Zn4 (Si2 O7 )(OH)2 ·H2 O 
  James Shigley  
  Potosi mine, Santa Eulalia District, Chihuahua, Mexico 
  
           
 
  Hemusite R061011 
  Cu1+ 4 Cu2+ 2 SnMoS8  
  Michael Scott S102801 
  Kawazu mine, Shizuoka, Japan 
  
           
 
  Hendersonite R070467 
  Ca1.3 (V5+ ,V4+ )6 O16 ·6H2 O 
  Michael Scott S102170 
  Mineral Joe No. 1 mine, Paradox Valley, Uravan District, Montrose County, Colorado, USA 
  
           
 
  Henmilite R060257 
  Ca2 Cu[B(OH)4 ]2 (OH)4  
  Michael Scott S100323 
  Fuka mine, Okayama Prefecture, Honshu Island, Japan 
  
           
 
  Hennomartinite R130039 
  SrMn3+ 2 (Si2 O7 )(OH)2 ·H2 O 
  William W. Pinch  
  Wessels mine, Kuruman, Kalahari manganese field, Cape Province, South Africa 
  
           
 
  Henritermierite R060253 
  Ca3 Mn3+ 2 (SiO4 )2 (OH)4  
  William W. Pinch  
  N'Chwaning mine, Kuruman, Kakahari mining area, Cape Province, South Africa 
  
           
 
  Hentschelite R061015 
  CuFe3+ 2 (PO4 )2 (OH)2  
  Michael Scott S102792 
  Spring Creek Copper mine, South Australia, Australia 
  
           
 
  Herbertsmithite R060387 
  Cu3 Zn(OH)6 Cl2  
  Michael Scott S100103 
  San Francisco mine, Sierra Gorda, Antofagasta, Chile 
  
           
 
  Herbertsmithite R070099 
  Cu3 Zn(OH)6 Cl2  
  Michael Scott S105100 
  San Francisco mine, Sierra Gorda, Antofagasta, Chile 
  
           
 
  Hercynite R170038 
  Fe2+ Al2 O4  
  Rock Currier  
  LePrese, Veltlin, Switzerland 
  
           
 
  Hercynite R170039 
  Fe2+ Al2 O4  
  Rock Currier  
  Baldissero, Torino, Piemonte 
  
           
 
  Hercynite R170040 
  Fe2+ Al2 O4  
  Rock Currier  
  Lherz, Pyrenees, France 
  
           
 
  Herderite R100064 
  CaBe(PO4 )F 
  Luiz Menezes  
  Medina, Minas Gerais, Brazil 
  
           
 
  Hessite R060226 
  Ag2 Te 
  Michael Scott S100147 
  Bambollita mine, Moctezuma, Sonora, Mexico 
  
           
 
  Hessite R070445 
  Ag2 Te 
  Michael Scott S104392 
  Klondike mine, Findley Gulch (Findlay Gulch), Bonanza District, Saguache County, Colorado, USA 
  
           
 
  Hetaerolite R061062 
  ZnMn3+ 2 O4  
  Bob Jenkins  
  Mohawk mine, San Bernardino County, California, USA 
  
           
 
  Heterogenite R050382 
  Co3+ O(OH) 
  University of Arizona Mineral Museum 7433 
  Goodsprings, Nevada, USA 
  
           
 
  Heterosite R050165 
  Fe3+ (PO4 ) 
  Marcus Origlieri  
  White Elephant mine, Custer County, South Dakota, USA 
  
           
 
  Heterosite R070148 
  Fe3+ (PO4 ) 
  James Shigley  
  Pleasant Valley mine, near Fourmile, Black Hills, Custer County, South Dakota, USA 
  
           
 
  Heulandite-Ca R040021 
  (Ca,Na,K)5 (Si27 Al9 )O72 ·26H2 O 
  University of Arizona Mineral Museum 797 
  Prospect Park, Patterson, Passaic County, New Jersey, USA 
  
           
 
  Heulandite-Ca R050017 
  (Ca,Na,K)5 (Si27 Al9 )O72 ·26H2 O 
  Eugene Schlepp  
  Poona, Maharashtra State, India 
  
           
 
  Heulandite-Ca R050097 
  (Ca,Na,K)5 (Si27 Al9 )O72 ·26H2 O 
  John Cornish  
  Rat's Nest Claim, Custer County, Idaho, USA 
  
           
 
  Heulandite-Ca R050647 
  (Ca,Na,K)5 (Si27 Al9 )O72 ·26H2 O 
  John Cornish  
  Rat's Nest Claim, Custer County, Idaho, USA 
  
           
 
  Heulandite-Ca R060465 
  (Ca,Na,K)5 (Si27 Al9 )O72 ·26H2 O 
  Michael Scott S100214 
  Garrawilla, near Gunnadah, New South Wales, Australia 
  
           
 
  Heulandite-Ca R061012 
  (Ca,Na,K)5 (Si27 Al9 )O72 ·26H2 O 
  Michael Scott S102804 
  Patterson, New Jersey, USA 
  
           
 
  Heulandite-K R061137 
  (K,Ca,Na)5 (Si27 Al9 )O72 ·26H2 O 
  Michael Scott S102085 
  Albero Bassi, Vicenza, Veneto, Italy 
  
           
 
  Heulandite-Na R070281 
  (Na,Ca,K)6 (Si,Al)36 O72 ·22H2 O 
  Michael Scott S102084 
  Warm Spring Creek, Challis, Custer County, Idaho, USA 
  
           
 
  Heulandite-Sr R070272 
  (Sr,Ca,Na)5 (Si27 Al9 )O72 ·24H2 O 
  Michael Scott S102090 
  Campegli mine, Campegli, Castiglione Chiavarese, Genova Province, Liguria, Italy 
  
           
 
  Hewettite R070428 
  CaV5+ 6 O16 ·9H2 O 
  Michael Scott S102346 
  Gold Quarry mine (Maggie claims), Maggie Creek District, Eureka County, Nevada, USA 
  
           
 
  Hexahydrite R060051 
  Mg(SO4 )·6H2 O 
  Kevin Righter  
  Weathered surface of a LL5 chondritic meteorite from Antarctica 
  
           
 
  Heyrovskýite R070010 
  Pb6 Bi2 S9  
  Michael Scott S100398 
  Hoerky, Rakovnika, Czech Republic 
  
           
 
  Hibonite R061069 
  CaAl12 O19  
  Michael Scott S101443 
  Madagascar 
  
           
 
  Hidalgoite R180018 
  PbAl3 (SO4 )(AsO4 )(OH)6  
  Mark Feinglos  
  Tsumeb, Namibia 
  
           
 
  Hilairite R080098 
  Na2 ZrSi3 O9 ·3H2 O 
  William W. Pinch  
  St. Hilaire, Quebec, Canada 
  
           
 
  Hilgardite R070426 
  Ca2 B5 O9 Cl·H2 O 
  Michael Scott S102875 
  Boulby mine, Loftus, Cleveland, England, UK 
  
           
 
  Hilgardite R070427 
  Ca2 B5 O9 Cl·H2 O 
  Michael Scott S104632 
  Boulby mine, Loftus, Cleveland, England, UK 
  
           
 
  Hillebrandite R110067 
  Ca2 SiO3 (OH)2  
  Renato & Adriana Pagano  
  Terneras mine, Velardeña, Velardeña District, Municipio de Cuencamé, Durango, Mexico 
  
           
 
  Hillite R061014 
  Ca2 Zn(PO4 )2 ·2H2 O 
  Michael Scott S101281 
  Reaphook Hill, South Australia 
  
           
 
  Hingganite-(Ce) R060857 
  BeCe(SiO4 )(OH) 
  Michael Scott S101013 
  Tatyana pegmatite, Haldzan Buregteg massif, Mongolia 
  
           
 
  Hingganite-(Y) R070466 
  BeY(SiO4 )(OH) 
  Michael Scott S102102 
  Tuften Quarry, Tvedalen, Larvik, Vestfold, Norway 
  
           
 
  Hingganite-(Y) R120171 
  BeY(SiO4 )(OH) 
  Ikram Mineralogy  
  Zagi Mountain, Hameed Abad Kafoor Dheri, Peshawar, Khyber Pakhtunkhwa, Pakistan 
  
           
 
  Hiortdahlite R060092 
  Na2 Ca4 (Ca0.5 Zr0.5 )Zr(Si2 O7 )2 OF3  
  University of Arizona Mineral Museum 2107 
  Vesuvius, Italy 
  
           
 
  Hiortdahlite R070514 
  Na2 Ca4 (Ca0.5 Zr0.5 )Zr(Si2 O7 )2 OF3  
  James Shigley  
  Aroy, Langesundsfjord, near Larvik, Vestfold, Norway 
  
           
 
  Hisingerite R070126 
  Fe2 Si2 O5 (OH)4 ·2H2 O 
  Lloyd Twaites LT 1487 
  Nickel Plate mine, Hedley, British Columbia, Canada 
  
           
 
  Hisingerite R070695 
  Fe2 Si2 O5 (OH)4 ·2H2 O 
  James Shigley  
  Zinc Consolidated mine, Broken Hill, New South Wales, Australia 
  
           
 
  Hocartite R130018 
  Ag2 FeSnS4  
  William W. Pinch  
  Pirquitas mine, Jujuy Province, Argentina 
  
           
 
  Hochelagaite R110182 
  CaNb4 O11 ·8H2 O 
  Donald Doell  
  Mont St-Hilaire, Quebec, Canada 
  
           
 
  Hodgkinsonite R140280 
  Zn2 Mn2+ (SiO4 )(OH)2  
  Marcus Origlieri S104179 
  Parker Shaft, Franklin mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA 
  
           
 
  Hoelite R060874 
  C14 H8 O2  
  Michael Scott S100817 
  Kladno, Central Bohemia Region, Bohemia, Czech Republic 
  
           
 
  Hoganite R160076 
  Cu(CH3 COO)2 ·H2 O 
  Marcus Origlieri  
  Courtland, Cochise County, Arizona 
  
           
 
  Hoganite R190035 
  Cu(CH3 COO)2 ·H2 O 
  Robert Lavinsky  
  Holbrook Shaft, Level 100, Bisbee, Warren District, Cochise County, Arizona 
  
           
 
  Holdawayite R090029 
  Mn2+ 6 (CO3 )2 (OH)7 (Cl,OH) 
  William W. Pinch  
  Kombat, Namibia 
  
           
 
  Holdenite R150129 
  Mn2+ 6 Zn3 (AsO4 )2 (SiO4 )(OH)8  
  Marcus Origlieri  
  Sterling Hill, Ogdensburg, Franklin Mining District, Sussex County, New Jersey, USA 
  
           
 
  Holfertite R060595 
  (UO2 )1.75 Ca0.25 TiO4 ·3H2 O 
  Michael Scott S100796 
  Searle Canyon, Thomas Range, Juab County, Utah, USA 
  
           
 
  Hollandite R060852 
  Ba(Mn4+ 6 Mn3+ 2 )O16  
  Michael Scott S100921 
  Ultevis, Sorharas, Sweden 
  
           
 
  Hollandite R070539 
  Ba(Mn4+ 6 Mn3+ 2 )O16  
  James Shigley  
  Tangen mine, Hurdalsjoen, Nannestad, Akershus, Norway 
  
           
 
  Holmquistite R070004 
  ◻Li2 (Mg3 Al2 )Si8 O22 (OH)2  
  Michael Scott S103127 
  Uto, Sodermanland, Sweden 
  
           
 
  Holmquistite R130004 
  ◻Li2 (Mg3 Al2 )Si8 O22 (OH)2  
  Don Doell  
  Quebec Lithium Corporation mine, La Corne, Abitibi RCM, Abitibi-Temiscamingue, Quebec, Canada 
  
           
 
  Holtedahlite R060710 
  Mg12 (PO3 OH,CO3 )(PO4 )5 (OH,O)6  
  Bob Jenkins  
  Tingelstadtjern, Modum, Norway 
  
           
 
  Holtite R061049 
  (Ta0.6 ◻0.4 )Al6 BSi3 O18  
  Michael Scott S100998 
  Kola Peninsula, U.S.S.R. 
  
           
 
  Holtstamite R170001 
  Ca3 Al2 (SiO4 )2 (OH)4  
  Paul Botha  
  Wessels mine, Kalahari manganese field, South Africa 
  
           
 
  Hopeite R050254 
  Zn3 (PO4 )2 ·4H2 O 
  Marcus Origlieri  
  Broken Hill mine, Kabwe, Zambia 
  
           
 
  Hopeite R130562 
  Zn3 (PO4 )2 ·4H2 O 
  Eric van Valkenburg  
  Broken Hill mine, Kabwe, Zambia 
  
           
 
  Hörnesite R060724 
  Mg3 (AsO4 )2 ·8H2 O 
  Bob Jenkins  
  Huercal Overa, Almeria Province, Spain 
  
           
 
  Hörnesite R070336 
  Mg3 (AsO4 )2 ·8H2 O 
  Michael Scott S101269 
  Ayers, Val d' Anniviers, Wallis, Switzerland 
  
           
 
  Howardevansite R130739 
  NaCu2+ Fe3+ 2 (VO4 )3  
  Rock Currier  
  'Y' Fumerol, Izalco Volcano, Sonsonate Department, El Salvador 
  
           
 
  Howieite R060031 
  Na(Fe2+ ,Fe3+ ,Al,Mg)12 (Si6 O17 )2 (O,OH)10  
  University of Arizona Mineral Museum 5923 
  Laytonville quarry, near Longvale, California, USA 
  
           
 
  Howieite R061009 
  Na(Fe2+ ,Fe3+ ,Al,Mg)12 (Si6 O17 )2 (O,OH)10  
  Michael Scott S101047 
  Quarry on north side of U.S. 101, 5 miles south of Laytonville, Mendocino County, California, USA 
  
           
 
  Howlite R050588 
  Ca2 SiB5 O9 (OH)5  
  Rock Currier  
  Lake Bras d'Or, Iona, Cape Breton Island, Victoria County, Nova Scotia, Canada 
  
           
 
  Howlite R110150 
  Ca2 SiB5 O9 (OH)5  
  Donald M Doell and Brian Roulston  
  Potash Corporation of Saskatchewan mine, Penobsquis, Kings County, New Brunswick, Canada 
  
           
 
  Hsianghualite R060722 
  Li2 Ca3 Be3 (SiO4 )3 F2  
  Bob Jenkins and George Guanghua Liu  
  Xianghualing mine near Zenzhou, Hunan Province, China 
  
           
 
  Hubeite R060964 
  Ca2 Mn2+ Fe3+ Si4 O12 (OH)·2H2 O 
  Michael Scott S101379 
  Fengjiashan mine, Daye, Hubei Province, China 
  
           
 
  Hübnerite R050069 
  Mn2+ (WO4 ) 
  Rock Currier  
  Yaogangxian, Yizhang County, Hunan Province, China 
  
           
 
  Hübnerite R050139 
  Mn2+ (WO4 ) 
  Dave Bunk Minerals  
  Pasto Bueno District, Pallasca Province, Ancash Department, Peru 
  
           
 
  Hübnerite R050556 
  Mn2+ (WO4 ) 
  Dave Bunk Minerals  
  Pasto Bueno, Ancash Department, Peru 
  
           
 
  Hübnerite R060900 
  Mn2+ (WO4 ) 
  Michael Scott S100974 
  near Kara-Oba Deposit, Kazakhstan 
  
           
 
  Huemulite R170005 
  Na4 MgV5+ 10 O28 ·24H2 O 
  Bob Jenkins  
  Burro Mine, West Workings, Slick Rock District, San Miguel County, Colorado, USA 
  
           
 
  Hughesite R130080 
  Na3 AlV10 O28 ·22H2 O 
  John Rakovan  
  Sunday mine, Gypsum Valley, San Miguel County, Slick Rock District, Colorado, USA 
  
           
 
  Hulsite R070453 
  Fe2+ 2 Fe3+ O2 (BO3 ) 
  Michael Scott S102349 
  Titovskoye B deposit, Tas-Khayakhtakh Range, Polar Yakutia, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia 
  
           
 
  Hulsite R070537 
  Fe2+ 2 Fe3+ O2 (BO3 ) 
  James Shigley  
  Brooks Mountain, Seward Peninsula, Nome Borough, Alaska, USA 
  
           
 
  Hulsite R130016 
  Fe2+ 2 Fe3+ O2 (BO3 ) 
  Robert Lavinsky  
  Brooks Mountain, Seward Peninsula, Nome Borough, Alaska, USA 
  
           
 
  Humberstonite R060718 
  K3 Na7 Mg2 (SO4 )6 (NO3 )2 ·6H2 O 
  Bob Jenkins  
  Officina Alemania, Antofagasta Province, Chile 
  
           
 
  Humboldtine R130689 
  Fe2+ (C2 O4 )·2H2 O 
  Bob Jenkins  
  Minas Gerais, Brazil 
  
           
 
  Humboldtine R170002 
  Fe2+ (C2 O4 )·2H2 O 
  Donald Doell  
  Zomba, Malawi 
  
           
 
  Humite R040071 
  Mg7 (SiO4 )3 F2  
  University of Arizona Mineral Museum 2227 
  Tilly Foster mine, Brewster, Putnam County, New York, USA 
  
           
 
  Humite R050665 
  Mg7 (SiO4 )3 F2  
  University of Arizona Mineral Museum  
  Tilly Foster mine, Brewster, Putnam County, New York, USA 
  
           
 
  Hummerite R070450 
  KMgV5+ 5 O14 ·8H2 O 
  Michael Scott S100599 
  Hummer mine, Jo Dandy mine (Paradox D; Hummer; C; Blackburn; Yellow Bird No. 1; Oversight; Broker), Paradox Valley, Uravan District, Montrose County, Colorado, USA 
  
           
 
  Huntite R040126 
  CaMg3 (CO3 )4  
  University of Arizona Mineral Museum 8731 
  Crestmore Quarry, Riverside County, California, USA 
  
           
 
  Huntite P000080 
  CaMg3 (CO3 )4  
  ScottLab P000080 
  Virtual 
  
           
 
  Hureaulite R070452 
  Mn2+ 5 (PO3 OH)2 (PO4 )2 ·4H2 O 
  Michael Scott S102347 
  Tip Top mine, Fourmile, Custer District, Custer County, South Dakota, USA 
  
           
 
  Hureaulite R090070 
  Mn2+ 5 (PO3 OH)2 (PO4 )2 ·4H2 O 
  Royal Ontario Museum  M54960 
  Cigana Mine (ex-Jocão Mine), Galiléia, Minas Gerais  Brazil 
  
           
 
  Hurlbutite R070612 
  CaBe2 (PO4 )2  
  James Shigley  
  Viitaniemi, Erajarvi, Orivesi, Etela-Suomen Laani, Finland 
  
           
 
  Hurlbutite R090048 
  CaBe2 (PO4 )2  
  University of Arizona Mineral Museum 1636  
  Smith mine, Chandler's Mill, Newport, New Hampshire 
  
           
 
  Hutchinsonite R060789 
  TlPbAs5 S9  
  Michael Scott S101056 
  Peru 
  
           
 
  Huttonite X050103 
  Th(SiO4 ) 
  Caltech  
  synthetic, grown by Boatner 1963 
  
           
 
  Hydroboracite R060713 
  CaMg[B3 O4 (OH)3 ]2 ·3H2 O 
  Bob Jenkins  
  Sijes, Salta Province, Argentina 
  
           
 
  Hydroboracite R060866 
  CaMg[B3 O4 (OH)3 ]2 ·3H2 O 
  Michael Scott S101002 
  Thompson mine, Death Valley, California, USA 
  
           
 
  Hydrocerussite R160062 
  Pb3 (CO3 )2 (OH)2  
  University of Arizona Mineral Museum 12 
  Tiger, Pinal County, Arizona, USA 
  
           
 
  Hydrocerussite R070059 
  Pb3 (CO3 )2 (OH)2  
  William W. Pinch  
  Wanlockhead, Scotland 
  
           
 
  Hydrocerussite R080104 
  Pb3 (CO3 )2 (OH)2  
  Evan Jones  
  St. Anthony deposit, Tiger, Mammoth District, Pinal County, Arizona 
  
           
 
  Hydrokenoelsmoreite R061044 
  ◻2 W2 O6 (H2 O) 
  Michael Scott S101387 
  Hemerdon mine, Sparkwell, Plympton, Devon, England 
  
           
 
  Hydrokenoralstonite R060012 
  ◻2 Al2 F6 (H2 O) 
  University of Arizona Mineral Museum 2884 
  Ivigtut, Greenland 
  
           
 
  Hydromagnesite R060011 
  Mg5 (CO3 )4 (OH)2 ·4H2 O 
  University of Arizona Mineral Museum 5218 
  Paradise Range, Nye County, Nevada, USA 
  
           
 
  Hydromagnesite R220007 
  Mg5 (CO3 )4 (OH)2 ·4H2 O 
  Joan Rosell-Riba, Jordi Ibáñez (Geo3Bcn-CSIC), Tariq Jawhari (CCiTUB)  
  Correc d'en Llinassos, Oms, Céret, Pyrénées-Orientales, Occitanie, France 
  
           
 
  Hydroniumjarosite R060402 
  (H3 O)Fe3+ 3 (SO4 )2 (OH)6  
  American Museum of Natural History 21997 
  Cyprus, Greece 
  
           
 
  Hydropyrochlore R060980 
  (H2 O,◻)2 Nb2 (O,OH)6 (H2 O) 
  Bob Jenkins  
  Lueshe mine, Kivu, Democratic Republic of the Congo 
  
           
 
  Hydroromarchite R090060 
  Sn2+ 3 O2 (OH)2  
  Joe Zullo S1 SA526-1 
  Hooggenoeg Fm., Barberton Greenstone Belt, South Africa 
  
           
 
  Hydrotalcite R050457 
  Mg6 Al2 CO3 (OH)16 (H2 O)4  
  University of Arizona Mineral Museum 2896 
  Snarum, Norway 
  
           
 
  Hydrotalcite R060527 
  Mg6 Al2 CO3 (OH)16 (H2 O)4  
  Michael Scott S100217 
  Jacupiranga Pegmatite, Sao Paulo State, Brazil 
  
           
 
  Hydrotungstite R120058 
  WO2 (OH)2 ·H2 O 
  Bob Jenkins  
  Mundo Nuevo, La Libertad, Peru 
  
           
 
  Hydroxyapophyllite-(K) R050169 
  KCa4 Si8 O20 (OH,F)·8H2 O 
  Marcus Origlieri  
  Christmas mine, Christmas, Gila County, Arizona, USA 
  
           
 
  Hydroxyapophyllite-(K) R110121 
  KCa4 Si8 O20 (OH,F)·8H2 O 
  Marcus Origlieri  
  Kandivali quarry, Malad (near Poona), Marashtra State, India 
  
           
 
  Hydroxycalciomicrolite R130269 
  Ca1.5 Ta2 O6 (OH) 
  Marcelo Andrade  
  Volta Grande, Minas Gerais, Brazil 
  
           
 
  Hydroxykenoelsmoreite R200006 
  (◻,Pb)2 (W,Fe3+ ,Al)2 (O,OH)6 (OH) 
  Bob Jenkins  
  A small prospect, 1.5 miles NW of the Vulture mine, Vulture Mountains, Maricopa County, Arizona, USA. 
  
           
 
  Hydroxykenomicrolite R061058 
  (◻,Na,Sb3+ )2 Ta2 O6 (OH) 
  Michael Scott S100986 
  Mt. Vasin-Myl'k, Voron'ya Tundra, Russia 
  
           
 
  Hydroxylapatite R050512 
  Ca5 (PO4 )3 OH 
  American Museum of Natural History 15214 
  Moneta Island, Mayeguez, Puerto Rico, USA 
  
           
 
  Hydroxylapatite R060180 
  Ca5 (PO4 )3 OH 
  Julian Gray  
  Holly Springs, Georgia, USA 
  
           
 
  Hydroxylapatite R100225 
  Ca5 (PO4 )3 OH 
  Luiz Menezes  
  Sapo mine, Goiabeira, Minas Gerais, Brazil 
  
           
 
  Hydroxylapatite R130713 
  Ca5 (PO4 )3 OH 
  Robert Lavinsky  
  Wessels mine, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Hydroxylbastnäsite-(Ce) R060283 
  Ce(CO3 )(OH) 
  Herb Obodda 084 
  Trimouns, Luzenac, France 
  
           
 
  Hydroxylclinohumite R060291 
  Mg9 (SiO4 )4 (OH)2  
  Herb Obodda 097 
  Koksha Valley, Badakshan Province, Afghanistan 
  
           
 
  Hydroxylellestadite R060769 
  Ca5 (SiO4 )1.5 (SO4 )1.5 OH 
  Michael Scott S101069 
  Crestmore, Riverside County, California, USA 
  
           
 
  Hydroxylhedyphane R070425 
  Ca2 Pb3 (AsO4 )3 (OH) 
  Michael Scott S102181 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Hydroxylherderite R050518 
  CaBe(PO4 )(OH) 
  University of Arizona Mineral Museum 2386 
  Mt. Apatite, Auburn, Maine, USA 
  
           
 
  Hydroxylherderite R050520 
  CaBe(PO4 )(OH) 
  University of Arizona Mineral Museum 10309 
  Virgem da Lapa, Minas Gerais, Brazil 
  
           
 
  Hydroxylherderite R060353 
  CaBe(PO4 )(OH) 
  Herb Obodda 020 
  Shigar Valley, northeast of Skardu, Baltistan, Pakistan 
  
           
 
  Hydroxylherderite R070451 
  CaBe(PO4 )(OH) 
  Michael Scott S102803 
  Fletcher mine, Groton, Grafton County, New Hampshire, USA 
  
           
 
  Hydroxylpyromorphite R200007 
  Pb5 (PO4 )3 (OH) 
  Warren Lazar  
  Western end of Pusch Ridge in the Santa Catalina Mountains, north of Tucson, Pima County, Arizona, USA 
  
           
 
  Hydroxymcglassonite-(K) R200004 
  KSr4 Si8 O20 (OH)·8H2 O 
  Jaco and Tania Janse van Nieuwenhuizen  
  Wessels mine, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Hydrozincite R050635 
  Zn5 (CO3 )2 (OH)6  
  University of Arizona Mineral Museum 13438 
  Ojuela mine, Mapimi, Durango, Mexico 
  
           
 
  Idrialite R060466 
  C22 H14  
  Michael Scott S100175 
  Skaggs Springs, Sonoma County, California, USA 
  
           
 
  Iimoriite-(Y) R070457 
  Y2 (SiO4 )(CO3 ) 
  Michael Scott S101925 
  I and L No. 4 claim, Bokan Mountain, Prince of Wales Island, Prince of Wales-Outer Ketchikan Borough, Alaska, USA 
  
           
 
  Ilesite R080073 
  Mn2+ (SO4 )·4H2 O 
  Michael Scott S100896 
  McDonnell claim, Hell's Valley, Park County, Colorado, USA 
  
           
 
  Ilesite R070494 
  Mn2+ (SO4 )·4H2 O 
  Michael Scott S102831 
  Chvaletice, Pardubice Region, Bohemia (Böhmen; Boehmen), Czech Republic 
  
           
 
  Illite R180024 
  (K,H3 O)Al2 (Si3 Al)O10 (H2 O,OH)2  
  Ward's Natural Science Establishment, Inc.  
  Fithian, Illinois, USA 
  
           
 
  Ilmenite R060149 
  Fe2+ Ti4+ O3  
  Marcus Origlieri  
  Faraday Property, Bancroft District, Ontario, Canada 
  
           
 
  Ilmenite R130214 
  Fe2+ Ti4+ O3  
  Don Doell  
  Mont St-Hilaire, Quebec, Canada 
  
           
 
  Ilsemannite R070513 
  Mo3 O8 ·nH2 O (?) 
  Michael Scott S102885 
  Osamu Utsumi Mine, Poços de Caldas, Minas Gerais, Brazil 
  
           
 
  Ilvaite R050040 
  CaFe3+ Fe2+ 2 O(Si2 O7 )(OH) 
  University of Arizona Mineral Museum 2949 
  Capo Calamita, Isle of Elba, Italy 
  
           
 
  Ilvaite R060474 
  CaFe3+ Fe2+ 2 O(Si2 O7 )(OH) 
  Michael Scott S100345 
  Dal 'Negorsk, Primorskiy, Kray, Russia 
  
           
 
  Imandrite R070027 
  Na12 Ca3 Fe3+ 2 Si12 O36  
  Michael Scott S105066 
  Vuonnemijok River, Khibiny Massif, Kola Peninsula, Russia 
  
           
 
  Imayoshiite R210019 
  Ca3 Al(CO3 )[B(OH)4 ](OH)6 ·12H2 O 
  Hercule Shen  
  Shijiangshan Pb-Zn mine, Keshiketeng Co., Chifeng City, Inner Mongolia, China 
  
           
 
  Imiterite R080014 
  Ag2 HgS2  
  Michael Scott S101283 
  Imiter, Morocco 
  
           
 
  Inderborite R060871 
  CaMg[B3 O3 (OH)5 ]2 ·6H2 O 
  Michael Scott S101031 
  TL, Inder, Kazakhstan 
  
           
 
  Inderite R050195 
  MgB3 O3 (OH)5 ·5H2 O 
  Dave Bunk Minerals  
  Boron, Kern County, California, USA 
  
           
 
  Indialite R140777 
  Mg2 Al3 (AlSi5 )O18  
  Ch. and H. Schäfer  
  Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany 
  
           
 
  Indium R060771 
  In 
  Michael Scott S101374 
  Eastern Transbaikal, Russia 
  
           
 
  Inesite R070456 
  Ca2 Mn2+ 7 Si10 O28 (OH)2 ·5H2 O 
  Michael Scott S101923 
  Fengjiashan mine (Daye Copper mine), Daye County, Huangshi Prefecture, Hubei Province, China 
  
           
 
  Inesite R090030 
  Ca2 Mn2+ 7 Si10 O28 (OH)2 ·5H2 O 
  James Shigley  
  Hale Creek Mine, Mad River Ridge, Hale Creek, Trinity County, California, USA 
  
           
 
  Ingersonite R210001 
  Ca3 Mn2+ Sb5+ 4 O14  
  Markus and Stefan Wiklund  
  Langban mine, Filipstad, Varmland, Sweden 
  
           
 
  Insizwaite R070743 
  PtBi2  
  Michael Scott S103264 
  Strathcona Mine, Levack, Sudbury District (Sudbury Complex; Sudbury nickel irruptive), Ontario, Canada 
  
           
 
  Inyoite R040161 
  CaB3 O3 (OH)5 ·4H2 O 
  University of Arizona Mineral Museum 8975 
  Kramer deposit, Boron, Kern County, California, USA 
  
           
 
  Inyoite R050157 
  CaB3 O3 (OH)5 ·4H2 O 
  Jim McGlasson  
  Sijes, Salta, Argentina 
  
           
 
  Iodargyrite R080017 
  AgI 
  Michael Scott S100883 
  Broken Hill, New South Wales, Australia 
  
           
 
  Iodargyrite R061056 
  AgI 
  Bob Jenkins  
  Capitana, Chile 
  
           
 
  Iowaite R060272 
  Mg6 Fe3+ 2 (OH)16 Cl2 ·4H2 O 
  Michael Scott S100180 
  Palabora open pit, Phalaborwa, Transvaal, Republic of South Africa 
  
           
 
  Iowaite R120110 
  Mg6 Fe3+ 2 (OH)16 Cl2 ·4H2 O 
  Marcus Origlieri  
  Kaznakhtinskiy Range, Altai Mountains, Russia 
  
           
 
  Iquiqueite R060822 
  K3 Na4 Mg(CrO4 )B24 O39 (OH)·12H2 O 
  Michael Scott S101264 
  Salar de Miraje, Pampa de Tamanigal, Atacama, Chile 
  
           
 
  Iranite R060781 
  CuPb10 (CrO4 )6 (SiO4 )2 (OH)2  
  Michael Scott S101072 
  Chapacase mine, Sierra Cerillos district, Tocopilla, Chile 
  
           
 
  Iridium R070258 
  Ir 
  Michael Scott S102878 
  Fox Gulch, Salmon River - Red Mountain district, Goodnews Bay, Bethel Borough, Alaska, USA 
  
           
 
  Iriginite R060269 
  (UO2 )Mo6+ 2 O7 ·3H2 O 
  Michael Scott S100240 
  Hervey's Range Deposit, 55 kilometers west of Townsville, Queensland, Australia 
  
           
 
  Iron R070255 
  Fe 
  Michael Scott S101919 
  Camp Creek district, Silver Bow County, Montana, USA 
  
           
 
  Ishikawaite R070496 
  (U,Fe,Y)NbO4  
  Michael Scott S101918 
  Standpipe Hill mines, Topsham, Sagadahoc County, Maine, USA 
  
           
 
  Isocubanite R090050 
  CuFe2 S3  
  Lloyd Twaites LT1378  
  Henderson #2 mine, Chibougamau, Quebec, Canada 
  
           
 
  Isoferroplatinum R080067 
  Pt3 Fe 
  Michael Scott S102376 
  Chocó Department, Colombia 
  
           
 
  Isokite R070526 
  CaMg(PO4 )F 
  University of Arizona Mineral Museum 4797 
  Kjorrestad, near Bamle, Norway 
  
           
 
  Itsiite R160010 
  Ba2 Ca(BSi2 O7 )2  
  Gunnar Färber  
  Gun claim, Yukon Territory, Canada 
  
           
 
  Ixiolite-(Mn2+ ) R070289 
  (Ta2/3 Mn2+ 1/3 )O2  
  Michael Scott S105141 
  Voroni Tundra, Kola Peninsula, Russia 
  
           
 
  Ixiolite-(Mn2+ ) R070495 
  (Ta2/3 Mn2+ 1/3 )O2  
  Michael Scott S105768 
  Alto Ligonha pegmatite, Alto Ligonha District, Zambezia Province, Mozambique 
  
           
 
  Izoklakeite R110044 
  Pb26.4 (Cu,Fe)2 (Sb,Bi)19.6 S57  
  Mark Feinglos  
  Crabtree quarry, Wake County, North Carolina, USA 
  
           
 
  Jacobsite R060780 
  Mn2+ Fe3+ 2 O4  
  Michael Scott S101292 
  Jakobsberg, Sweden 
  
           
 
  Jacobsite R070719 
  Mn2+ Fe3+ 2 O4  
  William W. Pinch  
  Kombat mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia 
  
           
 
  Jacobsite R120170 
  Mn2+ Fe3+ 2 O4  
  Marshall Sussman  
  N'Chwaning Mine III, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Jadeite R050220 
  NaAlSi2 O6  
  Hatt Yoder  
  Clear Creek, San Benito County, California, USA 
  
           
 
  Jadeite R070117 
  NaAlSi2 O6  
  Michael Scott S100409 
  Tawmaw (Tawhmaw; Taw Maw), Myitkyina-Mogaung District, Kachin State, Myanmar (Burma) 
  
           
 
  Jagoite R090028 
  Pb18 Fe3+ 4 [Si4 (Si,Fe3+ )6 ][Pb4 Si16 (Si,Fe)4 ]O82 Cl6  
  William W. Pinch  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Jagowerite R070327 
  BaAl2 (PO4 )2 (OH)2  
  Mark Mauthner 632 
  Jagowerite occurrence, Hess River area, Yukon Territory, Canada 
  
           
 
  Jahnsite-(CaMnFe) R060310 
  CaMn2+ Fe2+ 2 Fe3+ 2 (PO4 )4 (OH)2 ·8H2 O 
  Michael Scott S100177 
  Hagendorf Sud, Hessen, Bavaria, Germany 
  
           
 
  Jahnsite-(CaMnFe) R070733 
  CaMn2+ Fe2+ 2 Fe3+ 2 (PO4 )4 (OH)2 ·8H2 O 
  Michael Scott S104150 
  Voron'i Tundry, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Jahnsite-(CaMnMg) R060213 
  CaMn2+ Mg2 Fe3+ 2 (PO4 )4 (OH)2 ·8H2 O 
  Marcus Origlieri  
  Tip Top mine, Custer County, South Dakota, USA 
  
           
 
  Jahnsite-(CaMnMn) R080072 
  CaMn2+ Mn2+ 2 Fe3+ 2 (PO4 )4 (OH)2 ·8H2 O 
  Tom Loomis TL-42 
  Tip Top mine, Custer Country, South Dakota, USA 
  
           
 
  Jamborite R070619 
  Ni2+ 1-x Co3+ x (OH)2-x (SO4 )x ·nH2 O [x ≤ 1/3 n; ≤ (1-x)] 
  Joan Abella i Creus  
  Eugenia mine, Bellmunt del Priorat, Tarragona, Catalonia, Spain 
  
           
 
  Jamesite R060274 
  Pb2 ZnFe3+ 2 (Fe3+ ,Zn)4 (AsO4 )4 (OH)8 (OH,O)2  
  Michael Scott S100195 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Jamesonite R050430 
  Pb4 FeSb6 S14  
  University of Arizona Mineral Museum 13241 
  Zacatecas, Mexico 
  
           
 
  Jamesonite R050431 
  Pb4 FeSb6 S14  
  University of Arizona Mineral Museum 3552 
  Trinacria mine, Lake Poopo, Oruro, Bolivia 
  
           
 
  Jamesonite R050432 
  Pb4 FeSb6 S14  
  University of Arizona Mineral Museum 15930 
  San Jose mine, Oruro District, Bolivia 
  
           
 
  Jamesonite R050481 
  Pb4 FeSb6 S14  
  California Institute of Technology  
  Itos mine, Oruro City, Bolivia 
  
           
 
  Janhaugite R070731 
  Na3 Mn2+ 3 Ti2 (Si2 O7 )2 (O,OH,F)4  
  Michael Scott S102923 
  Gjerdingselva (Gjerdingen), Nordmarka, Lunner, Oppland, Norway 
  
           
 
  Jarlite R050667 
  Na2 (Sr,Na)14 (Mg,◻)2 Al12 F64 (OH)4  
  University of Arizona Mineral Museum 10118 
  Ivigtut, Greenland 
  
           
 
  Jarosite X050105 
  KFe3+ 3 (SO4 )2 (OH)6  
  Caltech  
  Barium Queen mine, Barstow, California, USA 
  
           
 
  Jarosite X050106 
  KFe3+ 3 (SO4 )2 (OH)6  
  Caltech  
  near Calico Hills, Barstow, California, USA 
  
           
 
  Jarosite R060113 
  KFe3+ 3 (SO4 )2 (OH)6  
  University of Arizona Mineral Museum 9868 
  Iron Blossom mine, East Tintic District, Eureka, Utah, USA 
  
           
 
  Jarosite R060236 
  KFe3+ 3 (SO4 )2 (OH)6  
  Michael Scott S100148 
  Gold Hill, Tooele County, Utah, USA 
  
           
 
  Jarosite R070493 
  KFe3+ 3 (SO4 )2 (OH)6  
  Bob Jenkins  
  Maria Josefa mine, Rhodalquilar, Almeria Province, Spain 
  
           
 
  Jasmundite R060805 
  Ca11 O2 (SiO4 )4 S 
  Michael Scott S101260 
  Bellerberg, Eifel Mts., Germany 
  
           
 
  Jeanbandyite R070724 
  Fe3+ Sn(OH)5 O 
  Michael Scott S104148 
  Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), Llallagua, Bustillos Province, Potosí Department, Bolivia 
  
           
 
  Jensenite R080008 
  Cu2+ 3 Te6+ O6 ·2H2 O 
  William W. Pinch  
  Montezuma mine, Sonora, Mexico 
  
           
 
  Jeremejevite X050107 
  Al6 (BO3 )5 F3  
  G.R. Rossman 1557 
  Namibia 
  
           
 
  Jeremejevite R060533 
  Al6 (BO3 )5 F3  
  Gemological Institute of America 30222 
  Erongo Mountains, Nambia 
  
           
 
  Jeremejevite R060617 
  Al6 (BO3 )5 F3  
  Michael Scott S100825 
  Ameib Farm, Usakos, Karibib District, Erongo Region, Namibia 
  
           
 
  Jerrygibbsite R070726 
  Mn2+ 9 (SiO4 )4 (OH)2  
  Michael Scott S104179 
  Parker Shaft, Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA 
  
           
 
  Jerrygibbsite R100042 
  Mn2+ 9 (SiO4 )4 (OH)2  
  William W Pinch  
  Kombat mine, Otavi Mountains, Namibia 
  
           
 
  Jimkrieghite R220012 
  Ca(C2 H3 O3 )2  
  Warren Lazar  
  Western end of Pusch Ridge in the Santa Catalina Mountains, north of Tucson, Pima County, Arizona, USA 
  
           
 
  Jinshajiangite R060580 
  BaNaFe2+ 4 Ti2 (Si2 O7 )2 O2 (OH)2 F 
  Michael Scott S100809 
  Norra Karr, Sweden 
  
           
 
  Jinshajiangite R061018 
  BaNaFe2+ 4 Ti2 (Si2 O7 )2 O2 (OH)2 F 
  Pingqiu Fu  
  Jinshajiang River, western Sichuan Province, China 
  
           
 
  Jinshajiangite R130031 
  BaNaFe2+ 4 Ti2 (Si2 O7 )2 O2 (OH)2 F 
  Don Doell DD 13-05 
  Dmitrievka village, Mariupol' Massif, Azov Sea Region, Donets'k Oblast', Ukraine 
  
           
 
  Joaquinite-(Ce) X050026 
  NaBa2 Fe2+ Ti2 Ce2 (Si4 O12 )2 O2 (OH)·H2 O 
  G.R. Rossman 1538 
  San Benito, California, USA 
  
           
 
  Joaquinite-(Ce) R120101 
  NaBa2 Fe2+ Ti2 Ce2 (Si4 O12 )2 O2 (OH)·H2 O 
  Bob Jenkins  
  Gem mine, San Benito County, California, USA 
  
           
 
  Joesmithite R120157 
  Pb2+ Ca2 (Mg3 Fe3+ 2 )(Si6 Be2 )O22 (OH)2  
  Rock Currier  
  Ramsorten drift, Langban, Sweden 
  
           
 
  Johachidolite R070640 
  CaAlB3 O7  
  Marcus Origlieri  
  Pyant Gyi mine, Mogok Stone Tract, Mandalay Division, Burma 
  
           
 
  Johannite R070061 
  Cu(UO2 )2 (SO4 )2 (OH)2 ·8H2 O 
  William W. Pinch  
  Joachimstal, Bohemia 
  
           
 
  Johannsenite R140753 
  CaMnSi2 O6  
  Rock Currier  
  Franklin, Franklin Mining District, Sussex County, New Jersey, USA 
  
           
 
  Johannsenite R150013 
  CaMnSi2 O6  
  Paul Botha  
  Wessels mine, Kalahari manganese field, South Africa 
  
           
 
  Johnbaumite R070753 
  Ca5 (AsO4 )3 (OH) 
  Michael Scott S102926 
  Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex County, New Jersey, USA 
  
           
 
  Johninnesite R060249 
  Na2 Mn2+ 9 Mg7 (AsO4 )2 (Si6 O17 )2 (OH)8  
  William W. Pinch  
  Kombat mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia 
  
           
 
  Jôkokuite R070102 
  Mn2+ (SO4 )·5H2 O 
  Michael Scott S105067 
  Jokoku mine, Hokkaido, Japan 
  
           
 
  Jonesite R070735 
  KBa2 Ti2 (Si5 Al)O18 ·nH2 O 
  Michael Scott S103267 
  Dallas Gem Mine (Gem Mine; Benitoite Mine), New Idria District, San Benito County, California, USA 
  
           
 
  Jonesite R080005 
  KBa2 Ti2 (Si5 Al)O18 ·nH2 O 
  Michael Scott S101067 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Jordanite R070723 
  Pb14 As6 S23  
  Michael Scott S102054 
  Lengenbach quarry, Binntal, Wallis (Valais), Switzerland 
  
           
 
  Jordisite R060864 
  MoS2  
  Michael Scott S100863 
  Bleiberg, Karnten, Osterreich, Austria 
  
           
 
  Jørgensenite R100009 
  Na2 Sr14 Na2 Al12 F64 (OH)4  
  William Pinch  
  Ivigtut, Frederikshab District, South West Greenland 
  
           
 
  Joséite-A R060963 
  Bi4 TeS2  
  Michael Scott S101439 
  Tanza mine, Potosi deptmartment, Bolivia 
  
           
 
  Jouravskite R110012 
  Ca3 Mn4+ (SO4 )(CO3 )(OH)6 ·12H2 O 
  William Pinch  
  Wessels mine, Kurumen, Kalahari manganese field, Cape Province, South Africa 
  
           
 
  Juabite R220005 
  CaCu10 (Te4+ O3 )4 (AsO4 )4 (OH)2 ·4H2 O 
  Daniel Evanich  
  Pittsburg-Liberty Mine, New York Hill, Masonic Mining District, Bodie Hills, Mono Co., California, USA 
  
           
 
  Juangodoyite R060884 
  Na2 Cu(CO3 )2  
  Bob Jenkins  
  Santa Rosa mine, Iquique Province, Chile 
  
           
 
  Julgoldite-(Fe2+ ) R070725 
  Ca2 Fe2+ Fe3+ 2 (Si2 O7 )(SiO4 )(OH)2 ·H2 O 
  Michael Scott S104176 
  Khandivali Quarry (Kandivali Quarry),  Mumbai District (Bombay District),  Maharashtra,  India 
  
           
 
  Julgoldite-(Fe3+ ) R070261 
  Ca2 Fe3+ Fe3+ 2 (Si2 O7 )(SiO4 )O(OH)·H2 O 
  Michael Scott S104182 
  Harstigen Mine, Pajsberg, Filipstad, Varmland, Sweden 
  
           
 
  Junitoite R050154 
  CaZn2 Si2 O7 ·H2 O 
  Jim McGlasson  
  Christmas mine, Christmas, Gila County, Arizona, USA 
  
           
 
  Junitoite R120100 
  CaZn2 Si2 O7 ·H2 O 
  Bob Jenkins  
  Christmas mine, Christmas, Gila County, Arizona, USA 
  
           
 
  Juonniite R070732 
  CaMgSc(PO4 )2 (OH)·4H2 O 
  Michael Scott S105776 
  Zheleznyi Mine (Iron Mine), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Jurbanite R130817 
  Al(SO4 )(OH)·5H2 O 
  Rock Currier  
  San Manuel mine, San Manuel, San Manuel District, Pinal County, Arizona, USA 
  
           
 
  K3 Fe(CN)5 NO R060933 
  Rock H. Currier Collection 3156 
  Synthetic, made in the Czech Republic 
  
           
 
  Kaersutite R070128 
  NaCa2 (Mg3 AlTi4+ )(Si6 Al2 )O22 O2  
  Michael Scott S100410 
  Mt Etna, Etna Volcanic Complex, Catania Province, Sicily,  Italy 
  
           
 
  Kaersutite R141092 
  NaCa2 (Mg3 AlTi4+ )(Si6 Al2 )O22 O2  
  Ch. and H. Schäfer  
  Rothenberg, Bell, Eifel, Germany 
  
           
 
  Kainite R070152 
  KMg(SO4 )Cl·2.75H2 O 
  James Shigley  
  Hansa mine, Hannover, Lower Saxony, Germany 
  
           
 
  Kainite R100021 
  KMg(SO4 )Cl·2.75H2 O 
  Michael Scott  S105209 
  Leopoldshall, Stassfurt, Stassfurt Deposit, Saxony-Anhalt, Germany 
  
           
 
  Kainosite-(Y) R070759 
  Ca2 Y2 (SiO3 )4 (CO3 )·H2 O 
  Michael Scott S104160 
  Bicroft mine, Cardiff Township, Haliburton Co., Ontario, Canada 
  
           
 
  Kaliborite R060352 
  KHMg2 B12 O16 (OH)10 ·4H2 O 
  Herb Obodda 008 
  Inder Boron deposit, Atyrau (Gur'yev), Atyrau Oblast', Kazakhstan 
  
           
 
  Kalicinite R130026 
  KH(CO3 ) 
  Dr. Flavia Pinzari  
  Lab-grown by bacteria in 15% potassium carbonate 
  
           
 
  Kaliophilite R061113 
  KAlSiO4  
  Michael Scott S100866 
  Bolsena, Lazio, Italy 
  
           
 
  Kalsilite R060030 
  KAlSiO4  
  University of Arizona Mineral Museum 16160 
  San Venanzo, Italy 
  
           
 
  Kalsilite R060801 
  KAlSiO4  
  Smithsonian Institute 136447 
  Marino, Latium, Italy 
  
           
 
  Kamaishilite R070297 
  Ca2 (SiAl2 )O6 (OH)2  
  Michael Scott S101430 
  Kamaishi mine, Iwate Prefecture, Tohoku Region, Honshu Island, Japan 
  
           
 
  Kamarizaite R090020 
  Fe3+ 3 (AsO4 )2 (OH)3 ·3H2 O 
  William W. Pinch  
  Kamareza Mines, Laurion, Greece 
  
           
 
  Kamchatkite R070039 
  KCu3 O(SO4 )2 Cl 
  Michael Scott S105068 
  Great Tolbachik Eruption (1975-6), Tolbachik Volcano, Kamchatka Peninsula, Russia 
  
           
 
  Kamphaugite-(Y) R080085 
  CaY(CO3 )2 (OH)·H2 O 
  Peter Cristofono  
  Ashland, Massachusetts, USA 
  
           
 
  Kanemite R070544 
  NaSi2 O4 (OH)·3H2 O 
  Michael Scott S100437 
  Alluaiv Mountain, Lovozero Massif, Kola Peninsula, Murmanskaya Oblast'; Northern Region, Russia 
  
           
 
  Kaňkite R060783 
  Fe3+ (AsO4 )·3.5H2 O 
  Michael Scott S101158 
  Kank by Kutna Hora, Bohemia, Czech Republic 
  
           
 
  Kanoite R061134 
  MnMgSi2 O6  
  Michael Scott S102050 
  Balmat, St. Lawrence County, New York, USA 
  
           
 
  Kaolinite R140004 
  Al2 Si2 O5 (OH)4  
  Rock Currier  
  Guanajuato, Mexico 
  
           
 
  Kaolinite R160007 
  Al2 Si2 O5 (OH)4  
  Source Clays Project of The Clay Minerals Society (donated by Eduardo Ferraz)  
  32o58' N-82o53' W approximately, topographic map Tabernacle, Georgia. Collected from face of Coss-Hodges pit, October 3,1972. 
  
           
 
  Kapellasite R140623 
  Cu3 Zn(OH)6 Cl2  
  Stefan Schorn  
  Sounion mine No. 19, Lavrion District, Attikí Prefecture, Greece 
  
           
 
  Kapustinite R060896 
  Na6 ZrSi6 O16 (OH)2  
  Michael Scott S100956 
  Palitra pegmatite, Kedykverpakhk Mountain, Lovozero Massif, Russia 
  
           
 
  Karchevskyite R070103 
  Mg18 Al9 (OH)54 Sr2 (CO3 )9 (H2 O)6 (H3 O)5  
  Michael Scott S105069 
  Zheleznyi mine, Kovdor Massif, Kola Peninsula, Russia 
  
           
 
  Karibibite R060307 
  Fe3+ 3 (As3+ O2 )4 (As3+ 2 O5 )(OH) 
  Michael Scott S100061 
  Urucum, Municipio de Galilea, Minas Gerais, Brazil 
  
           
 
  Karibibite R060380 
  Fe3+ 3 (As3+ O2 )4 (As3+ 2 O5 )(OH) 
  Michael Scott S100188 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Karnasurtite-(Ce) R080037 
  CeTiAlSi2 O7 (OH)4 ·3H2 O 
  Michael Scott S101155 
  Karnasurt Mountain, Lovozero, Kola, Russia 
  
           
 
  Kasolite R060479 
  Pb(UO2 )(SiO4 )·H2 O 
  Michael Scott S100307 
  Musonoi Extension, Shaba Province, Zaire 
  
           
 
  Kasolite R070155 
  Pb(UO2 )(SiO4 )·H2 O 
  James Shigley  
  Katherine District, Northern Territory, Australia 
  
           
 
  Katayamalite R070147 
  KLi3 Ca7 Ti2 (SiO3 )12 (OH)2  
  Michael Scott S105814 
  Dara-i-Pioz, Hait, Alayskiy (Alay; Alai) Range, South Tien-Shan Mts., Tajikistan 
  
           
 
  Katayamalite R120164 
  KLi3 Ca7 Ti2 (SiO3 )12 (OH)2  
  Donald Doell  
  Iwagi Island, Inland Sea, Ehime Prefecture, Japan 
  
           
 
  Katoite R070646 
  Ca3 Al2 (OH)12  
  Marcus Origlieri  
  Synthetic 
  
           
 
  Katoite R080034 
  Ca3 Al2 (OH)12  
  Royal Ontario Museum M11320 
  Wilui River, Russia 
  
           
 
  Katoptrite R140009 
  Mn2+ 13 Al4 Sb5+ 2 O20 (SiO4 )2  
  Rock Currier  
  Brattfors mine, Nordmark, Filipstad, Värmland, Sweden 
  
           
 
  Kazanskyite R130020 
  Ba◻TiNbNa3 Ti(Si2 O7 )2 O2 (OH)2 (H2 O)2  
  Fernando Camara  
  Kirovskii mine, Mount Kukisvumchorr, Khibiny alkaline massif, Kola Peninsula, Russia 
  
           
 
  Kegelite R080021 
  Pb4 Al2 Si4 O10 (SO4 )(CO3 )2 (OH)4  
  William W. Pinch  
  Tsumeb, Namibia 
  
           
 
  Keilite R070104 
  FeS 
  Michael Scott S105070 
  Abee meteorite, Alberta, Canada 
  
           
 
  Keiviite-(Yb) R060522 
  Yb2 Si2 O7  
  Michael Scott S100282 
  Mount Ploskaja, west Keivy, Kola, Russia 
  
           
 
  Kellyite R060903 
  (Mn2+ ,Mg,Al)3 (Si,Al)2 O5 (OH)4  
  Michael Scott S100995 
  Near Bald Knob, Alleghany County, North Carolina, USA 
  
           
 
  Kemmlitzite R070663 
  SrAl3 (AsO4 )(SO4 )(OH)6  
  Michael Scott S102336 
  Falotta, Tinizong (Tinzen), Sursass (Oberhalbstein), Grischun (Grisons; Graubünden), Switzerland 
  
           
 
  Kempite R070679 
  Mn2+ 2 Cl(OH)3  
  Michael Scott S106035 
  Oktyabr'sky mine, Noril'sk, Putoran Mts, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia 
  
           
 
  Kenoargentotetrahedrite-(Fe) R061081 
  Ag6 (Cu4 Fe2 )Sb4 S12 ◻ 
  Lloyd Twaites LT 863 
  Sadie mine, Elsa, Yukon, Canada 
  
           
 
  Kenoplumbomicrolite R130729 
  (Pb,◻)2 Ta2 O6 [◻,(OH),O] 
  Donald Doell  
  Ploskaya Mountains, Keivy Massif, Kola, Russian Federation 
  
           
 
  Kentbrooksite R110208 
  (Na,REE)15 (Ca,REE)6 Mn3 Zr3 Nb(Si25 O73 )(O,OH,H2 O)3 (F,Cl)2  
  Gunnar Farber  
  Pocos de Caldas plateau, Minas Gerais, Brazil 
  
           
 
  Kentrolite R060245 
  Pb2 Mn3+ 2 O2 (Si2 O7 ) 
  William W. Pinch  
  Percha Creek area, Hillsboro District, Sierra County, New Mexico, USA 
  
           
 
  Kermesite R060742 
  Sb2 OS2  
  Michael Scott S101199 
  Pezinok, Czechoslovakia 
  
           
 
  Kernite R050661 
  Na2 B4 O6 (OH)2 ·3H2 O 
  Marcus Origlieri  
  Boron, Kern County, California, USA 
  
           
 
  Kësterite R120098 
  Cu2 ZnSnS4  
  Marcus Origlieri  
  Xuebaoding, Sichuan Province, China 
  
           
 
  Kettnerite R130113 
  CaBiO(CO3 )F 
  Mark Ascher  
  Flying Saucer Group, Maricopa County, Arizona 
  
           
 
  Keyite R050585 
  (◻0.5 Cu0.5 )CuCdZn2 (AsO4 )3 ·H2 O 
  University of Arizona Mineral Museum 14754 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Keyite R090039 
  (◻0.5 Cu0.5 )CuCdZn2 (AsO4 )3 ·H2 O 
  William W. Pinch  
  Tsumeb, Namibia 
  
           
 
  Keystoneite R070660 
  Mg0.5 NiFe3+ (Te4+ O3 )3 ·4H2 O 
  Michael Scott S105215 
  McAlpine mine, Moccasin, Tuolumne County, California, USA 
  
           
 
  Keystoneite R070661 
  Mg0.5 NiFe3+ (Te4+ O3 )3 ·4H2 O 
  Michael Scott S106029 
  McAlpine mine, Moccasin, Tuolumne County, California, USA 
  
           
 
  Khaidarkanite R060322 
  Cu4 Al3 (OH)14 F3 ·2H2 O 
  Michael Scott S100280 
  Khaidarkan, (Kirgizia) Kyrgyzstan 
  
           
 
  Khanneshite R070672 
  (Na,Ca)3 (Ba,Sr,Ce,Ca)3 (CO3 )5  
  Michael Scott S102128 
  Tuliylukht Bay, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Khinite R080124 
  Cu2+ 3 PbTe6+ O6 (OH)2  
  William W. Pinch  
  400 ft. level, Empire mine, Tombstone, Arizona 
  
           
 
  Kidwellite R060324 
  NaFe3+ 9+x (PO4 )6 (OH)11 ·3H2 O (x ≈ 0.33) 
  Michael Scott S100182 
  York mine, Polk County, Arkansas, USA 
  
           
 
  Kidwellite R070106 
  NaFe3+ 9+x (PO4 )6 (OH)11 ·3H2 O (x ≈ 0.33) 
  Bob Jenkins  
  Teskov, Czech Republic 
  
           
 
  Kimuraite-(Y) R050586 
  CaY2 (CO3 )4 ·6H2 O 
  Marcus Origlieri  
  Mitsukoshi, Hizen town, Higashimatsuura County, Saga Prefecture, Japan 
  
           
 
  Kimzeyite R060148 
  Ca3 Zr2 (SiAl2 )O12  
  University of Arizona Mineral Museum  
  Magnet Cove, Arkansas, USA 
  
           
 
  Kingite R060997 
  Al3 (PO4 )2 F2 (OH)·7H2 O 
  Bob Jenkins  
  Clinton, South Australia 
  
           
 
  Kingsmountite R220015 
  Ca3 MnFe2+ Al4 (PO4 )6 (OH)4 ·12H2 O 
  Herwig Pelckmans  
  Silbergrube, Waidhaus, Bavaria, Germany 
  
           
 
  Kinoite R040155 
  Ca2 Cu2 Si3 O10 ·2H2 O 
  University of Arizona Mineral Museum 10333 
  Christmas mine, Christmas, Gila County, Arizona, USA 
  
           
 
  Kinoite R050168 
  Ca2 Cu2 Si3 O10 ·2H2 O 
  Marcus Origlieri  
  Christmas mine, Christmas, Gila County, Arizona, USA 
  
           
 
  Kinoshitalite R070656 
  BaMg3 (Si2 Al2 O10 )(OH)2  
  Michael Scott S102325 
  Hokkejino, Kyoto Prefecture, Kinki Region, Honshu Island, Japan 
  
           
 
  Kipushite R060826 
  Cu6 (PO4 )2 (OH)6 ·H2 O 
  Michael Scott S101188 
  Shaba Provence, Zaire 
  
           
 
  Kirschsteinite R070266 
  CaFe2+ (SiO4 ) 
  Michael Scott S105226 
  Dolores mine, Pastrana, Mazarrón, Murcia, Spain 
  
           
 
  Klebelsbergite R060157 
  Sb3+ 4 O4 (SO4 )(OH)2  
  Marcus Origlieri  
  Pereta mine, near Grosseto, Tuscany, Italy 
  
           
 
  Kleinite R060329 
  (Hg2 N)(Cl,SO4 )·nH2 O 
  Michael Scott S100169 
  McDermott mine, Humboldt County, Nevada, USA 
  
           
 
  Kleinite R150103 
  (Hg2 N)(Cl,SO4 )·nH2 O 
  William W. Pinch  
  Terlingua, Brewster Co., Texas, USA 
  
           
 
  Klockmannite R070658 
  Cu5.2 Se6  
  Michael Scott S105180 
  Cacheuta mine, Cerro de Cacheuta, Sierra de Cacheuta, Mendoza, Argentina 
  
           
 
  Klyuchevskite R070659 
  K3 Cu3 Fe3+ O2 (SO4 )4  
  Michael Scott S105208 
  Yadevitaya fumarole, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia 
  
           
 
  Kobellite R070669 
  Pb11 (Cu,Fe)2 (Bi,Sb)15 S35  
  Michael Scott S105219 
  Jedlovec (Fichtenhubel) deposit, Smolník ore belt, Slovenske Rudohorie Mts, Koický Kraj, Slovak Republic 
  
           
 
  Kobellite R110092 
  Pb11 (Cu,Fe)2 (Bi,Sb)15 S35  
  Mark Feinglos  
  Crabtree quarry, Wake County, North Carolina, USA 
  
           
 
  Kobyashevite R160001 
  Cu5 (SO4 )2 (OH)6 ·4H2 O 
  Eugene Schlepp  
  Ojuela mine (Cumbres lugar), Mapimí, Durango, Mexico 
  
           
 
  Koenenite R060989 
  Na4 Mg9 Al4 Cl12 (OH)22  
  Michael Scott S101315 
  Grauer Salzton, Bergmannssegen Quarry, Lehrte, near Hannover, Germany 
  
           
 
  Kolarite R070677 
  PbTeCl2  
  Michael Scott S106032 
  Oktyabr'sky Mine, Noril'sk, Putoran Mts, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia 
  
           
 
  Kolbeckite R060981 
  Sc(PO4 )·2H2 O 
  Bob Jenkins  
  Hot Springs County, Arkansas, USA 
  
           
 
  Kolbeckite R061040 
  Sc(PO4 )·2H2 O 
  Mark Mauthner  
  Christy Pit, Magnet Cove, Arkansas, USA 
  
           
 
  Komarovite R070054 
  (Ca,Sr,Na)6-x (Nb,Ti)6 (Si4 O12 )(O,OH,F)16 ·nH2 O 
  Michael Scott S105071 
  Kukisvumchorr Mountain, Khibiny Massif, Kola Peninsula, Russia 
  
           
 
  Kombatite R070720 
  Pb14 O9 (VO4 )2 Cl4  
  William W. Pinch  
  Kombat mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia 
  
           
 
  Koritnigite R060654 
  Zn(AsO3 OH)·H2 O 
  Michael Scott S101163 
  Jachymov, Czech Republic 
  
           
 
  Kornerupine R050214 
  (Mg,Fe2+ ,Al,◻)10 (Si,Al,B)5 O21 (OH,F)2  
  Jibamitra Ganguly  
  Sri Lanka 
  
           
 
  Kornerupine R100155 
  (Mg,Fe2+ ,Al,◻)10 (Si,Al,B)5 O21 (OH,F)2  
  William W. Pinch  
  Sri Lanka 
  
           
 
  Korobitsynite R110192 
  (Na,◻)4 Ti2 (Si4 O12 )(O,OH)2 ·4H2 O 
  Donald Doell  
  Poudrette quarry, Mont Saint-Hilaire, Quebec, Canada 
  
           
 
  Kosmochlor R120015 
  NaCr3+ Si2 O6  
  George Harlow  
  Synthetic 
  
           
 
  Kosnarite R060250 
  KZr2 (PO4 )3  
  William W. Pinch  
  Jenipapo District, Itinga, Minas Gerais, Brazil 
  
           
 
  Kostovite R070282 
  AuCuTe4  
  Michael Scott S100607 
  Chelopech mine, Chelopech Obshchina, Balkan Mts, Sofiya Oblast, Bulgaria 
  
           
 
  Kotoite R060940 
  Mg3 (BO3 )2  
  Michael Scott S101243 
  Hol Kol mine, Samdung, near Pyongyang, Suan County, North Korea 
  
           
 
  Köttigite R110032 
  Zn3 (AsO4 )2 ·8H2 O 
  William W Pinch  
  44 level, Tsumeb mine, Tsumeb, Namibia 
  
           
 
  Köttigite R110035 
  Zn3 (AsO4 )2 ·8H2 O 
  The University of Arizona Mineral Museum 18728 
  Ojuela mine, Mapimi, Durango, Mexico 
  
           
 
  Kovdorskite R050505 
  Mg2 (PO4 )(OH)·3H2 O 
  Bob Downs  
  Kovdor Massif, Kola Peninsula, Russia 
  
           
 
  Kovdorskite R060579 
  Mg2 (PO4 )(OH)·3H2 O 
  Michael Scott S100808 
  Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Kozoite-(La) R060995 
  La(CO3 )(OH) 
  Marcus Origlieri  
  Mitsukoshi, Hizen-cho, Karatsu City, Saga Prefecture, Japan 
  
           
 
  Kozoite-(Nd) R060996 
  Nd(CO3 )(OH) 
  Marcus Origlieri  
  Mitsukoshi, Hizen-cho, Karatsu City, Saga Prefecture, Japan 
  
           
 
  Kraisslite R060328 
  Zn3 (Mn,Mg)25 (Fe3+ ,Al)(As3+ O3 )2 [(Si,As5+ )O4 ]10 (OH)16  
  Michael Scott S100194 
  Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA 
  
           
 
  Krásnoite R120056 
  Ca3 Al7.7 Si3 P4 O22.9 (OH)13.3 F2 ·8H2 O 
  Bob Jenkins  
  Horní Slavkov, Czech Republic 
  
           
 
  Krasnovite R080115 
  Ba(Al,Mg)(PO4 ,CO3 )(OH)2 ·H2 O 
  William W. Pinch  
  Cerro Sapo Carbonatite dyke, Cochabamba, Bolivia 
  
           
 
  Krausite R110211 
  KFe3+ (SO4 )2 ·H2 O 
  Gunnar Farber  
  Mina Alcaparrosa, Cerritos Bayos, Calama, Atacama, II Region, Chile 
  
           
 
  Krauskopfite R070657 
  BaSi2 O5 ·3H2 O 
  Michael Scott S105171 
  Rush Creek, Fresno County, California, USA 
  
           
 
  Krautite R060967 
  Mn(AsO3 OH)·H2 O 
  Michael Scott S100387 
  Jachymov, Bohemia, Czech Republic 
  
           
 
  Krennerite R060138 
  Au3 AgTe8  
  University of Arizona Mineral Museum 13274 
  Strong mine, Cripple Creek, Teller County, Colorado, USA 
  
           
 
  Krinovite R140079 
  Na4 [Mg8 Cr3+ 4 ]O4 [Si12 O36 ] 
  Rock Currier  
  Wichita County Meteorite, Wichita County, Texas, USA 
  
           
 
  Kristiansenite R090022 
  Ca4 Sc2 Sn2 (Si2 O7 )2 (Si2 O6 OH)2  
  William W. Pinch  
  Heftetjern, Tørdal, Telemark, Norway 
  
           
 
  Kröhnkite R050604 
  Na2 Cu(SO4 )2 ·2H2 O 
  University of Arizona Mineral Museum  
  Chuquicamata, Chile 
  
           
 
  Kröhnkite R060111 
  Na2 Cu(SO4 )2 ·2H2 O 
  University of Arizona Mineral Museum 275 
  Chuquicamata, Chile 
  
           
 
  Krupkaite R061038 
  PbCuBi3 S6  
  Michael Scott S101153 
  Vysna Boca, Slovakia 
  
           
 
  Krupkaite R070310 
  PbCuBi3 S6  
  James Shigley  
  MaGruder Peak Quadrangle, near Goldfield, Esmerelda County, Nevada, USA 
  
           
 
  Krupkaite R100098 
  PbCuBi3 S6  
  Peter Megaw  
  Julcani District, Peru 
  
           
 
  Krut'aite R060381 
  CuSe2  
  Michael Scott S100093 
  El Dragon mine, Potosi, Bolivia 
  
           
 
  Kryzhanovskite R130050 
  (Fe3+ ,Mn2+ )3 (PO4 )2 (OH,H2 O)3  
  Don Doell  
  Bull Moose mine, Custer County, South Dakota, USA 
  
           
 
  Kryzhanovskite R130691 
  (Fe3+ ,Mn2+ )3 (PO4 )2 (OH,H2 O)3  
  Rob Lavinsky  
  Rapid Creek, Dawson Mining District, Yukon Territory, Canada 
  
           
 
  Kryzhanovskite R140111 
  (Fe3+ ,Mn2+ )3 (PO4 )2 (OH,H2 O)3  
  Rock Currier  
  Hagendorf, Waidhaus, Vohenstrauß, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany 
  
           
 
  Ktenasite R070081 
  ZnCu4 (SO4 )2 (OH)6 ·6H2 O 
  Bob Jenkins  
  Amot, Modum, Norway 
  
           
 
  Ktenasite R090002 
  ZnCu4 (SO4 )2 (OH)6 ·6H2 O 
  Michael Scott S100183 
  Oh mine, Gila County, Arizona, USA 
  
           
 
  Kukharenkoite-(Ce) R110190 
  Ba2 Ce(CO3 )3 F 
  Donald Doell  
  Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Monteregie, Quebec, Canada 
  
           
 
  Kuksite R110039 
  Pb3 Zn3 TeO6 (PO4 )2  
  Brent Thorne  
  Blue Bell claims, Baker, San Bernardino County, California, USA 
  
           
 
  Kulanite R060240 
  BaFe2+ 2 Al2 (PO4 )3 (OH)3  
  Rock Currier  
  Big Fish River, Yukon Territory, Canada 
  
           
 
  Kunatite R120055 
  CuFe3+ 2 (PO4 )2 (OH)2 ·4H2 O 
  William W Pinch  
  Krasno, Horni Slakov, Bohemia, Czech Republic 
  
           
 
  Kupletskite R110176 
  K2 NaMn2+ 7 Ti2 (Si4 O12 )2 O2 (OH)4 F 
  Donald Doell  
  Mont St-Hilaire, Quebec, Canada 
  
           
 
  Kupletskite-(Cs) R060929 
  Cs2 NaMn2+ 7 Ti2 (Si4 O12 )2 O2 (OH)4 F 
  Michael Scott S100984 
  Dara-i-Pioz, Garm region, Tajikistan 
  
           
 
  Kurchatovite R130074 
  CaMgB2 O5  
  Igor Pekov  
  Solongo B deposit, Vitim Plateau, Buriatia Republic, Transbaikalia, Eastern-Siberian Region, Russia 
  
           
 
  Kurnakovite R050105 
  MgB3 O3 (OH)5 ·5H2 O 
  Rock Currier  
  Kramer deposit, Boron, Kern County, California, USA 
  
           
 
  Kurnakovite R050393 
  MgB3 O3 (OH)5 ·5H2 O 
  Marcus Origlieri  
  Kramer deposit, Boron, Kern County, California, USA 
  
           
 
  Kusachiite R220013 
  Cu2+ Bi3+ 2 O4  
  Joan Rosell Riba  
  Fuka mine, Takahashi City, Okayama Prefecture, Japan 
  
           
 
  Kushiroite R110134 
  CaAlAlSiO6  
  Roberta Fleming RM010K/RM010H 
  Synthetic, at 1400 C, 20 kb, 24 hours, and 164 hours 
  
           
 
  Kutnohorite R060473 
  CaMn2+ (CO3 )2  
  Michael Scott S100370 
  N'Chwaning II mine, Kalahari manganese field, northern Cape Province, Republic of South Africa 
  
           
 
  Kuzmenkoite-Mn R070662 
  K2 MnTi4 (Si4 O12 )2 (OH)4 ·5-6H2 O 
  Michael Scott S105784 
  Selsurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Kyanite R040119 
  Al2 OSiO4  
  University of Arizona Mineral Museum 13215 
  Rutherford County, North Carolina, USA 
  
           
 
  Kyanite R050450 
  Al2 OSiO4  
  Marcus Origlieri  
  Switzerland 
  
           
 
  Kyanite R100139 
  Al2 OSiO4  
  William W. Pinch  
  Madagascar 
  
           
 
  Kyanite R100159 
  Al2 OSiO4  
  William W. Pinch  
  Tanzania 
  
           
 
  Laachite R141091 
  (Ca,Mn)2 Zr2 Nb2 TiFeO14  
  Ch. and H. Schäfer  
  In den Dellen, Laach lake volcano, Mendig, Eifel, Germany 
  
           
 
  Labradorite X050108 
  (Ca,Na)(Si,Al)4 O8  
  G.R. Rossman 25 
  Pinacate Mountains, Sonora, Mexico 
  
           
 
  Labradorite X050110 
  (Ca,Na)(Si,Al)4 O8  
  G.R. Rossman 1613 
  Sunstone Collecting area, Rabbit Hills, Oregon, USA 
  
           
 
  Labradorite X050111 
  (Ca,Na)(Si,Al)4 O8  
  G.R. Rossman 289 
  Clear Lake, Lake View, Oregon, USA 
  
           
 
  Labradorite X050189 
  (Ca,Na)(Si,Al)4 O8  
  G.R. Rossman 607 
  Rabbit Hills, Lake County, Oregon, USA 
  
           
 
  Labuntsovite-Mg R130550 
  Na4 K4 Mg2 Ti8 O4 (Si4 O12 )4 (OH)4 ·10-12H2 O 
  Don Doell  
  Kovdor Zheleznyi mine, Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Labuntsovite-Mn R110169 
  Na4 K4 Mn2+ 2 Ti8 O4 (Si4 O12 )4 (OH)4 ·10-12H2 O 
  Donald V Doell  
  Mont St-Hilaire, Quebec, Canada 
  
           
 
  Laihunite R110051 
  (Fe3+ ,Fe2+ ,◻)2 (SiO4 ) 
  Pingqu Fu  
  Laihe Fe deposit, Qianshan District, Anshan Prefecture, Liaoning Province, China 
  
           
 
  Lammerite R060715 
  Cu3 (AsO4 )2  
  Bob Jenkins  
  Guanaco, Antofagasta Province, Chile 
  
           
 
  Lammerite R140108 
  Cu3 (AsO4 )2  
  Rock Currier  
  Veta Negra, Laurani District, Aroma Province, La Paz Department, Bolivia 
  
           
 
  Lamprophyllite R070200 
  (SrNa)Ti2 Na3 Ti(Si2 O7 )2 O2 (OH)2  
  James Shigley  
  Windy Boy Peak, Bearpaw Mountains, Hill County, Montana, USA 
  
           
 
  Lamprophyllite R070284 
  (SrNa)Ti2 Na3 Ti(Si2 O7 )2 O2 (OH)2  
  Michael Scott S105823 
  Lovozero Massif,  Kola Peninsula,  Murmanskaja Oblast',  Northern Region,  Russia 
  
           
 
  Lamprophyllite R130420 
  (SrNa)Ti2 Na3 Ti(Si2 O7 )2 O2 (OH)2  
  Gunnar Farber  
  Pocos de Caldas Plateau, Minas Gerais, Brazil 
  
           
 
  Lanarkite R080116 
  Pb2 O(SO4 ) 
  William W. Pinch  
  Leadhills, Lanarkshire,  Scotland 
  
           
 
  Långbanite R050664 
  Mn2+ 4 Mn3+ 9 Sb5+ O16 (SiO4 )2  
  University of Arizona Mineral Museum 2232 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Långbanite R100037 
  Mn2+ 4 Mn3+ 9 Sb5+ O16 (SiO4 )2  
  William W Pinch  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Langbeinite R070285 
  K2 Mg2 (SO4 )3  
  Michael Scott S105519 
  Carlsbad, New Mexico, USA 
  
           
 
  Langhofite R220023 
  Pb2 (OH)[WO4 (OH)] 
  Stefan and Markus Wiklund 21012 
  Langban mine, Varmland, Sweden 
  
           
 
  Langite R060090 
  Cu4 (SO4 )(OH)6 ·2H2 O 
  University of Arizona Mineral Museum 12559 
  Allihies mine, County Cork, Ireland 
  
           
 
  Langite R070316 
  Cu4 (SO4 )(OH)6 ·2H2 O 
  James Shigley  
  Drakewalls mine, Gunnislake, Callington District, Cornwall, England 
  
           
 
  Langite R120042 
  Cu4 (SO4 )(OH)6 ·2H2 O 
  Donald Doell  
  Dunbrack mine, Musquodoboit Harbour, Halifax County, Nova Scotia, Canada 
  
           
 
  Lannonite R090036 
  HCa4 Mg2 Al4 (SO4 )8 F9 ·32H2 O 
  Bob Jenkins  
  Lone Pine mine, Catron County, New Mexico, USA 
  
           
 
  Lanthanite-(Ce) R230004 
  Ce2 (CO3 )3 ·8H2 O 
  Neil Hubbard  
  Tynebottom Mine, Cumbria, United Kingdom 
  
           
 
  Lanthanite-(Nd) R060467 
  Nd2 (CO3 )3 ·8H2 O 
  Michael Scott S100071 
  Curitiba, Parana, Brazil 
  
           
 
  Lanthanite-(Nd) R060470 
  Nd2 (CO3 )3 ·8H2 O 
  Michael Scott S100080 
  Santa Isabel, Sao Paulo State, Brazil 
  
           
 
  Lanthanite-(Nd) R060993 
  Nd2 (CO3 )3 ·8H2 O 
  Marcus Origlieri  
  Mitsukoshi, Hizen-cho, Karatsu City, Saga Prefecture, Japan 
  
           
 
  Larderellite R130392 
  (NH4 )B5 O7 (OH)2 ·H2 O 
  Bob Jenkins (capsule), Rock Currier (rock piece)  
  Larderello Lagoon, Tuscany, Italy 
  
           
 
  Larisaite R060879 
  Na(H3 O)(UO2 )3 (Se4+ O3 )2 O2 ·4H2 O 
  Michael Scott S100961 
  Repete mine, San Juan County, Utah, USA 
  
           
 
  Larnite R070530 
  Ca2 (SiO4 ) 
  Michael Scott S100407 
  Larne, County Antrim, Northern Ireland, UK 
  
           
 
  Lasalite R070476 
  Na2 Mg2 V10 O28 ·20H2 O 
  Dakota Matrix Minerals  
  Vanadium Queen mine, Paradox Valley, San Juan County, Utah, USA 
  
           
 
  Laueite R060013 
  Mn2+ Fe3+ 2 (PO4 )2 (OH)2 ·8H2 O 
  University of Arizona Mineral Museum 16075 
  Hagendorf, Germany 
  
           
 
  Laumontite R040020 
  CaAl2 Si4 O12 ·4H2 O 
  University of Arizona Mineral Museum 10031 
  Pine Creek Tungsten mine, Bishop, Inyo County, California, USA 
  
           
 
  Laumontite R060114 
  CaAl2 Si4 O12 ·4H2 O 
  University of Arizona Mineral Museum 9882 
  Pine Creek, Tungsten mine, Bishop, California, USA 
  
           
 
  Laurelite R100011 
  Pb7 F12 Cl2  
  William W. Pinch  
  Grand Reef mine, Klondyke, Aravaipa District, Graham County, Arizona, USA 
  
           
 
  Laurelite R100035 
  Pb7 F12 Cl2  
  Natural History Museum of Los Angeles County  LACMNH 33608 
  Grand Reef mine, Klondyke, Aravaipa District, Graham County, Arizona, USA 
  
           
 
  Laurionite R130788 
  PbCl(OH) 
  Bob Jenkins  
  Pacha Limani, Laurion, Greece 
  
           
 
  Laurionite R140025 
  PbCl(OH) 
  Rock Currier  
  Lavrion District, Attikí Prefecture, Greece 
  
           
 
  Laurite R060309 
  RuS2  
  Michael Scott S100242 
  Verkhneivinsk, Ural Mountains, Russia 
  
           
 
  Laurite R110120 
  RuS2  
  Mark N Feinglos  
  Tambiano River, Riampinang, Kalimantan Selatan Province, Borneo Island, Indonesia 
  
           
 
  Lausenite X070004 
  Fe3+ 2 (SO4 )3 ·5H2 O 
  University of Arizona Mineral Museum 53 
  United Verde Mine, Gerome, Arizona, USA 
  
           
 
  Lavendulan X060011 
  NaCaCu5 (AsO4 )4 Cl·5H2 O 
  University of Arizona Mineral Museum 13508 
  Talmessi Mine, Anarak, Iran 
  
           
 
  Lavendulan R060716 
  NaCaCu5 (AsO4 )4 Cl·5H2 O 
  Bob Jenkins  
  Guanaco, Antofagasta Province, Chile 
  
           
 
  Lavendulan R141212 
  NaCaCu5 (AsO4 )4 Cl·5H2 O 
  James Shigley  
  Alice May mine, Ravensthorpe, Western Australia, Australia 
  
           
 
  Låvenite R120044 
  (Na,Ca)4 (Mn2+ ,Fe2+ )2 (Zr,Ti,Nb)2 (Si2 O7 )2 (O,F)4  
  Donald Doell  
  Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada 
  
           
 
  Laverovite R060216 
  K2 NaMn7 Zr2 (Si4 O12 )2 O2 (OH)4 F 
  Royal Ontario Museum M26526 
  Desourdy Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Laverovite R190014 
  K2 NaMn7 Zr2 (Si4 O12 )2 O2 (OH)4 F 
  Royal Ontario Museum M26526  
  Desourdy Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Lavinskyite R120057 
  K(LiCu)Cu6 (Si4 O11 )2 (OH)4  
  William W. Pinch, Robert Lavinsky, and Marcus Origlieri  
  Wessels mine, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Lavinskyite R141115 
  K(LiCu)Cu6 (Si4 O11 )2 (OH)4  
  Jaco and Tania Janse van Nieuwenhuizen  
  Wessels mine, South Africa 
  
           
 
  Lawsonite R050042 
  CaAl2 (Si2 O7 )(OH)2 ·H2 O 
  University of Arizona Mineral Museum 8433 
  California, USA 
  
           
 
  Lawsonite X050112 
  CaAl2 (Si2 O7 )(OH)2 ·H2 O 
  G.R. Rossman 1135 
  Marin County, California, USA 
  
           
 
  Lazaraskeite R180026 
  Cu(C2 H3 O3 )2  
  Warren Lazar  
  Western end of Pusch Ridge in the Santa Catalina Mountains, north of Tucson, Pima County, Arizona, USA 
  
           
 
  Lazaraskeite R190015 
  Cu(C2 H3 O3 )2  
  Warren Lazar  
  Western end of Pusch Ridge in the Santa Catalina Mountains, north of Tucson, Pima County, Arizona, USA 
  
           
 
  Lazulite R050110 
  MgAl2 (PO4 )2 (OH)2  
  Rock Currier  
  Rapid Creek, Yukon Territory, Canada 
  
           
 
  Lazulite R050269 
  MgAl2 (PO4 )2 (OH)2  
  Marcus Origlieri  
  Horsjoberg, Varmland, Sweden 
  
           
 
  Lazulite R060494 
  MgAl2 (PO4 )2 (OH)2  
  Michael Scott S100117 
  Champion mine, White Mountains, Mono County, California, USA 
  
           
 
  Lead R070280 
  Pb 
  Michael Scott S100997 
  Laurion, Greece 
  
           
 
  Lead R070193 
  Pb 
  James Shigley  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Leadhillite R050642 
  Pb4 (SO4 )(CO3 )2 (OH)2  
  University of Arizona Mineral Museum 11090 
  Mammoth mine, Tiger, Pinal County, Arizona, USA 
  
           
 
  Leadhillite R060047 
  Pb4 (SO4 )(CO3 )2 (OH)2  
  University of Arizona Mineral Museum 16155 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Lecoqite-(Y) R141187 
  Na3 Y(CO3 )3 ·6H2 O 
  Amor Ben Ali  
  Synthetic 
  
           
 
  Leesite R220018 
  K(H2 O)2 [(UO2 )4 O2 (OH)5 ]·3H2 O 
  Jim McGlasson  
  Jomac mine, White Canyon Mining District, San Juan County, Utah, USA 
  
           
 
  Lefontite R140074 
  Fe2 Al2 Be(PO4 )2 (OH)6  
  Bob Jenkins  
  Galiléia, Minas Gerais, Brazil 
  
           
 
  Lefontite R140428 
  Fe2 Al2 Be(PO4 )2 (OH)6  
  Michael Scott  
  João Teodoro mine, Linópolis district, Divino das Laranjeiras, Minas Gerais, Brazil 
  
           
 
  Lefontite R140539 
  Fe2 Al2 Be(PO4 )2 (OH)6  
  Benjamin N. Schumer  
  Palermo No. 1 mine, Groton, New Hampshire, USA 
  
           
 
  Legrandite R040151 
  Zn2 (AsO4 )(OH)·H2 O 
  University of Arizona Mineral Museum 4191 
  Mapimi, Durango, Mexico 
  
           
 
  Leifite R060219 
  Na7 Be2 (Si15 Al3 )O39 (F,OH)2  
  Royal Ontario Museum M49476 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Leightonite R050211 
  K2 Ca2 Cu(SO4 )4 ·2H2 O 
  John Dagenais  
  Chuquicamata mine, Calama, Antofagasta Province, Chile 
  
           
 
  Leiteite R040011 
  ZnAs3+ 2 O4  
  Dave Bunk Minerals  
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Lemanskiite R200011 
  NaCaCu5 (AsO4 )4 Cl·3H2 O 
  Bob Jenkins  
  El Guanaco mine, Guanaco, Santa Catalina, Antofagasta Province, Antofagasta Region, Chile 
  
           
 
  Lemmleinite-Ba R070650 
  Na4 K4 Ba2+x Ti8 (Si4 O12 )4 (OH,O)8 ·8H2 O 
  Michael Scott  S100152  
  Diamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA 
  
           
 
  Lemmleinite-Ba R110017 
  Na4 K4 Ba2+x Ti8 (Si4 O12 )4 (OH,O)8 ·8H2 O 
  Ray Grant  
  Partomchorr Mt., Khibiny Massif, Kola, Russia 
  
           
 
  Lemoynite R080106 
  Na2 CaZr2 Si10 O26 ·5-6H2 O 
  William W. Pinch  
  Mont Saint-Hilaire, Quebec, Canada 
  
           
 
  Leningradite R070053 
  PbCu3 (VO4 )2 Cl2  
  Michael Scott S105074 
  main fracture, N breakthrough, Tolbachik Volcano, Kamchatka Peninsula, Russia 
  
           
 
  Lenoblite R060761 
  V4+ 2 O4 ·2H2 O 
  Michael Scott S101251 
  Clara mine, Schwarzwald, Germany 
  
           
 
  Lepidocrocite R050454 
  Fe3+ O(OH) 
  University of Arizona Mineral Museum 16088 
  Malvern, Chester County, Pennsylvania, USA 
  
           
 
  Lepidolite X050113 
  K(Li,Al)3 (Si,Al)4 O10 (F,OH)2  
  Caltech  
  Stewart mine, Pala, California, USA 
  
           
 
  Lepidolite X050114 
  K(Li,Al)3 (Si,Al)4 O10 (F,OH)2  
  Caltech  
  Coolgardie, Western Australia, Australia 
  
           
 
  Leucite R040107 
  K(AlSi2 O6 ) 
  University of Arizona Mineral Museum 4733 
  Roccamonfina, Italy 
  
           
 
  Leucite R060300 
  K(AlSi2 O6 ) 
  Herb Obodda 029 
  Alban Hills, Rome Province, Latium, Italy 
  
           
 
  Leucophanite R050004 
  NaCaBeSi2 O6 F 
  University of Arizona Mineral Museum 2925 
  Langesundfjord, Norway 
  
           
 
  Leucophanite R060199 
  NaCaBeSi2 O6 F 
  Royal Ontario Museum M31735 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Leucophanite R060207 
  NaCaBeSi2 O6 F 
  Royal Ontario Museum M49430 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Leucophoenicite R060308 
  Mn2+ 7 (SiO4 )3 (OH)2  
  Michael Scott S100253 
  Parker Shaft, Franklin, Sussex County, New Jersey, USA 
  
           
 
  Leucophoenicite R150131 
  Mn2+ 7 (SiO4 )3 (OH)2  
  Steven Kuitems  
  Franklin, Sussex County, New Jersey, USA 
  
           
 
  Leucophosphite R060338 
  KFe3+ 2 (PO4 )2 (OH)·2H2 O 
  Michael Scott S100184 
  Gunheath pit, St. Austell, Cornwall, England 
  
           
 
  Leucophosphite R080126 
  KFe3+ 2 (PO4 )2 (OH)·2H2 O 
  Thomas A. Loomis TL-41 
  Tip Top mine, Custer County, South Dakota, USA 
  
           
 
  Leucosphenite R060201 
  Na4 BaTi2 B2 Si10 O30  
  Royal Ontario Museum M41878 
  Poudrette Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Lévyne-Ca R070270 
  Ca3 (Si12 Al6 )O36 ·18H2 O 
  Michael Scott S100922 
  Beech Creek Quarry, Mount Vernon, Grant County, Oregon, USA 
  
           
 
  Lévyne-Ca R080128 
  Ca3 (Si12 Al6 )O36 ·18H2 O 
  Michael Scott S100946 
  Dallas, Oregon, USA 
  
           
 
  Lévyne-Na R060021 
  Na6 (Si12 Al6 )O36 ·18H2 O 
  Bob Downs  
  Dallas, Oregon, USA 
  
           
 
  Lianbinite R220025 
  (NH4 )(C2 H3 O3 )(C2 H4 O3 ) 
  Warren Lazar  
  Western end of Pusch Ridge in the Santa Catalina Mountains, north of Tucson, Pima County, Arizona, USA 
  
           
 
  Liangjunite R220001 
  K2 (Mo2 O5 )(SO4 )2 ·3H2 O 
  Michael Scott S102692 
  Freedom No. 2 mine, Marysvale District (Marysvale Uranium area), Piute County, Utah, USA 
  
           
 
  Libethenite R050147 
  Cu2 (PO4 )(OH) 
  Jim McGlasson  
  Los Azules mine, Copiapo, Chile 
  
           
 
  Libethenite R050613 
  Cu2 (PO4 )(OH) 
  University of Arizona Mineral Museum 2420 
  Libethen, Banskobystricky, Slovakia 
  
           
 
  Libyan Desert glass R060357 
  Herb Obodda 017 
  Libyan Desert, Sahara Desert, Egypt 
  
           
 
  Liebenbergite R120062 
  Ni2 (SiO4 ) 
  Ken Domanik  
  Synthetic, by flux method 
  
           
 
  Liebenbergite R150037 
  Ni2 (SiO4 ) 
  Gunnar Farber  
  Agios Konstantinos, Lavrion District slag localities, Attikí Prefecture, Greece 
  
           
 
  Liebigite R050662 
  Ca2 (UO2 )(CO3 )3 ·11H2 O 
  University of Arizona Mineral Museum 9102 
  Schwartzwaelder mine, Jefferson County, Colorado, USA 
  
           
 
  Likasite R060327 
  Cu3 (NO3 )(OH)5 ·2H2 O 
  Michael Scott S100260 
  Dzhezkazgan, Kazakhstan 
  
           
 
  Likasite R090009 
  Cu3 (NO3 )(OH)5 ·2H2 O 
  William W. Pinch  
  Likasi Mine, Jadotville, Katanga, Zaire 
  
           
 
  Lileyite R140773 
  Ba2 Ti2 Na2 Fe2+ Mg(Si2 O7 )2 O2 F2  
  Ch. and H. Schäfer  
  Graulay, Hillesheim, Eifel, Rhineland-Palatinate, Germany 
  
           
 
  Lillianite R110141 
  Pb3-2x Agx Bi2+x S6  
  Rob Lavinsky  
  Pedro claim, King County, Washington, USA 
  
           
 
  Linarite R060130 
  CuPb(SO4 )(OH)2  
  University of Arizona Mineral Museum 9890 
  Graham County, Arizona, USA 
  
           
 
  Linarite R060472 
  CuPb(SO4 )(OH)2  
  Michael Scott S100365 
  Tiger, Arizona, USA 
  
           
 
  Linarite R120094 
  CuPb(SO4 )(OH)2  
  Michael Scott  S101361  
  Daoping mine, Guangxi, China 
  
           
 
  Lindgrenite R050213 
  Cu3 (Mo6+ O4 )2 (OH)2  
  John Dagenais  
  Chuquicamata mine, Calama, Antofagasta Province, Chile 
  
           
 
  Lindgrenite R060241 
  Cu3 (Mo6+ O4 )2 (OH)2  
  Rock Currier  
  San Samuel mine, Carrera Pinto, Chile 
  
           
 
  Lindgrenite R110061 
  Cu3 (Mo6+ O4 )2 (OH)2  
  Ron Gibbs  
  Childs Aldwinkle mine, Copper Creek, Pinal County, Arizona, USA 
  
           
 
  Línekite R141026 
  K2 Ca3 [(UO2 )(CO3 )3 ]2 ·8H2 O 
  William W. Pinch  
  Svornost Mine, Jáchymov, Krušné Hory Mts, Karlovy Vary, Bohemia, Czech Republic 
  
           
 
  Liottite R120045 
  Na16 Ca8 Si18 Al18 O72 (SO4 )5 Cl4  
  R. Van Dommelen  
  Case Collina (Toscopomici quarry), Pitigliano, Grosseto Province, Tuscany, Italy 
  
           
 
  Lipscombite R220008 
  Fe2+ Fe3+ 2 (PO4 )2 (OH)2  
  Ron Gibbs  
  Silver Coin Mine, Valmy, Iron Point Mining District, Humboldt County, Nevada, USA 
  
           
 
  Lipuite R140946 
  KNa8 Mn3+ 5 Mg0.5 [Si12 O30 (OH)4 ](PO4 )O2 (OH)2 ·4H2 O 
  Jaco and Tania Janse van Nieuwenhuizen  
  N'Chwaning III mine, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Liroconite R050535 
  Cu2 Al(AsO4 )(OH)4 ·4H2 O 
  University of Arizona Mineral Museum 291 
  Wheal Gorland, St. Day, Cornwall, England 
  
           
 
  Liskeardite R060768 
  (Al,Fe)32 (AsO4 )18 (OH)42 (H2 O)22 ·52H2 O 
  Michael Scott S100935 
  Penberthy Croft mine, St. Hilary, Cornwall, England 
  
           
 
  Litharge R060959 
  PbO 
  Michael Scott S101289 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Lithiomarsturite R100094 
  LiCaMn2+ 3 Si5 O14 (OH) 
    
  Foote mine, Kings Mountain, North Carolina, USA 
  
           
 
  Lithiophilite R070303 
  LiMn2+ (PO4 ) 
  James Shigley  
  Vittaniemi, Erajarvi, Orivesi, Etela-Suomen Laani, Finland 
  
           
 
  Lithiophilite R100096 
  LiMn2+ (PO4 ) 
    
  Foote mine, Kings Mountain, North Carolina, USA 
  
           
 
  Lithiophorite R070083 
  (Al,Li)(Mn4+ ,Mn3+ )O2 (OH)2  
  James Shigley  
  Sausalito Road Quarry, Sausalito, Marine County, California, USA 
  
           
 
  Lithiophosphate R100092 
  Li3 (PO4 ) 
  Luiz Menezes   
  Cachoeira mine, Itinga, Minas Gerais, Brazil 
  
           
 
  Lithiotantite R100165 
  LiTa3 O8  
  Luiz Menezes  
  Murundu mine, Jenipapo district, Itinga, Minas Gerais, Brazil 
  
           
 
  Litidionite R130088 
  KNaCuSi4 O10  
  Rock Currier  
  Mt Vesuvius, Napoli, Italy 
  
           
 
  Liudongshengite R180016 
  Zn4 Cr2 (OH)12 (CO3 )·3H2 O 
  Ron Gibbs  
  79 mine, Gila Co., Arizona, USA 
  
           
 
  Livingstonite R050427 
  HgSb4 S6 (S)2  
  University of Arizona Mineral Museum 13426 
  Huitzuco, Guerrero, Mexico 
  
           
 
  Livingstonite R050453 
  HgSb4 S6 (S)2  
  University of Arizona Mineral Museum 13667 
  Huitzuco, Guerrero, Mexico 
  
           
 
  Lizardite R060006 
  Mg3 Si2 O5 (OH)4  
  University of Arizona Mineral Museum 2896 
  Snarum, Norway 
  
           
 
  Lobanovite R120068 
  K2 Na(Fe2+ 4 Mg2 Na)Ti2 (Si4 O12 )2 O2 (OH)4  
  Donald Doell  
  Apatitovaya Mt., Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Lokkaite-(Y) R061092 
  CaY4 (CO3 )7 ·9H2 O 
  Marcus Origlieri  
  Mitsukoshi, Hizen-cho, Karatsu City, Saga Prefecture, Japan 
  
           
 
  Löllingite R060185 
  FeAs2  
  Lloyd Twaites  
  MW Claim, Seagull Batholith, Cassiar Mountains, Yukon, Canada 
  
           
 
  Löllingite R060668 
  FeAs2  
  Michael Scott S101325 
  Aghbar near Bou-Azzer, Morocco 
  
           
 
  Löllingite R070592 
  FeAs2  
  James Shigley  
  Ebisu mine, Hirukawa, Gifu Prefecture, Honshu, Japan 
  
           
 
  Lombardoite R220033 
  Ba2 Mn3+ (AsO4 )2 (OH) 
  Fernando Cámara  
  Valletta mine, Maira Valley, Piedmont, Italy 
  
           
 
  Lomonosovite R070465 
  Na6 Na2 Ti2 Na2 Ti2 (Si2 O7 )2 (PO4 )2 O4  
  Michael Scott S105790 
  Apatitovyi Tsirk (Apatite Circus), Rasvumchorr Mountain, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Loomisite R210017 
  Ba[Be2 P2 O8 ]·H2 O 
  Tom Loomis TL256A 
  Big Chief mine, Pennington County, South Dakota, USA 
  
           
 
  Loparite-(Ce) R070251 
  (Na,Ce,Sr)(Ce,Th)(Ti,Nb)2 O6  
  Michael Scott S105531 
  Maly Mannepakhk Mt (Malyi Mannepakhk Mt), Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Lópezite R070043 
  K2 Cr2 O7  
  Michael Scott S101397 
  Synthetic, made in the Czech Republic 
  
           
 
  Lorándite R060961 
  TlAsS2  
  Michael Scott S101334 
  Allchar, Macedonia 
  
           
 
  Lorándite R110055 
  TlAsS2  
  Don Doell  
  Xingren County, Qianxi'nan Autonomous Prefecture, Guizhou Province, China 
  
           
 
  Lorenzenite R060960 
  Na2 Ti2 O3 (Si2 O6 ) 
  Michael Scott S101383 
  Khibiny Massif, Kola Peninsula, Russia 
  
           
 
  Lorenzenite R130051 
  Na2 Ti2 O3 (Si2 O6 ) 
  Don Doell  
  Mont Saint-Hilaire, Rouville RCM, Monteregie, Quebec, Canada 
  
           
 
  Lotharmeyerite R060862 
  CaZn2 (AsO4 )2 ·2H2 O 
  Michael Scott S100871 
  Mapimi, Durango, Mexico 
  
           
 
  Lourenswalsite R060468 
  (K,Ba)2 Ti4 (Si,Al)6 O14 (OH)12  
  Michael Scott S100196 
  Diamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA 
  
           
 
  Lovozerite R080107 
  Na3 CaZrSi6 O15 (OH)3  
  William W. Pinch  
  Mont Saint-Hilaire, Quebec, Canada 
  
           
 
  Lovozerite R120159 
  Na3 CaZrSi6 O15 (OH)3  
  Donald Doell  
  Poudrette quarry, Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada 
  
           
 
  Luanheite R060677 
  Ag3 Hg 
  Bob Jenkins  
  Elisa de Bordos mine, Tierra Amarilla, Chile 
  
           
 
  Ludjibaite R060413 
  Cu5 (PO4 )2 (OH)4  
  Bob Jenkins  
  Sossego, Carajas, Brazil 
  
           
 
  Ludlamite R040152 
  Fe2+ 3 (PO4 )2 ·4H2 O 
  University of Arizona Mineral Museum 15641 
  Cobalt, Lemhi County, Idaho, USA 
  
           
 
  Ludlamite R060485 
  Fe2+ 3 (PO4 )2 ·4H2 O 
  Michael Scott S100357 
  Blackbird District, Lehmi County, Idaho, USA 
  
           
 
  Ludlamite R090071 
  Fe2+ 3 (PO4 )2 ·4H2 O 
  Royal Ontario Museum  M54960 
  Cigana Mine (ex-Jocão Mine), Galiléia, Minas Gerais  Brazil 
  
           
 
  Ludlockite R100176 
  PbFe3+ 4 As3+ 10 O22  
  William W. Pinch  
  Tsumeb, Namibia 
  
           
 
  Ludwigite R060010 
  Mg2 Fe3+ O2 (BO3 ) 
  University of Arizona Mineral Museum 9094 
  Victoria Quarry, Riverside, California, USA 
  
           
 
  Ludwigite R060844 
  Mg2 Fe3+ O2 (BO3 ) 
  Bob Jenkins  
  Crestmore, California, USA 
  
           
 
  Lueshite R090025 
  NaNbO3  
  Karl Russ  
  Lueshe carbonatite, Kivu Province, Democratic Republic of the Congo 
  
           
 
  Luetheite R060088 
  CuAl(AsO4 )(OH)2  
  Andy Anderson  
  Alum Gulch, Patagonia, Arizona, USA 
  
           
 
  Lulzacite R110147 
  Sr2 Fe2+ 3 Al4 (PO4 )4 (OH)10  
  Olivier Pourret  
  Saint-Aubin-des-Châteaux, Loire-Atlantique, France 
  
           
 
  Lüneburgite R140143 
  Mg3 [B2 (OH)6 (PO4 )2 ]·6H2 O 
  Rock Currier  
  Lüneburger Kalkberg, Lüneburg, Lower Saxony, Germany 
  
           
 
  Luzonite R060390 
  Cu3 AsS4  
  Michael Scott S100181 
  Bern-Shan Pit, Chinkuashi mine, Taipei, Taiwan, Republic of China 
  
           
 
  Luzonite R070247 
  Cu3 AsS4  
  Michael Scott S105151 
  Huaron Mining District, San Jose de Huayllay district, Cerro de Pasco, Alcides Carrión Province, Pasco department, Peru 
  
           
 
  Macdonaldite R060770 
  BaCa4 Si16 O36 (OH)2 ·10H2 O 
  Michael Scott S101090 
  Rush Creek, Fresno County, California, USA 
  
           
 
  Macfallite R060391 
  Ca2 Mn3+ 3 (SiO4 )(Si2 O7 )(OH)3  
  Michael Scott S100092 
  near Manganese Lake, Copper Harbor, Keweenaw County, Michigan, USA 
  
           
 
  Mackayite R060592 
  Fe3+ Te4+ 2 O5 (OH) 
  Michael Scott S100792 
  Lone Pine mine, Lone Pine Hill area, Wilcox District, Catron County, New Mexico, USA 
  
           
 
  Mackinawite R060388 
  (Fe,Ni)1+x S (x = 0-0.07) 
  Michael Scott S100089 
  Hitura, Finland 
  
           
 
  Mackinawite R070302 
  (Fe,Ni)1+x S (x = 0-0.07) 
  James Shigley  
  Wannaway Prospect, near Kalgoorlie, Western Australia, Australia 
  
           
 
  Macquartite R210020 
  Cu2 Pb7 (CrO4 )4 (SiO4 )2 (OH)2  
  Bob Jenkins  
  Mammoth-Sth. Anthony M., Tiger, Pinal County, Arizona, USA 
  
           
 
  Magadiite R060994 
  Na2 Si14 O28 (OH)2 ·8H2 O 
  Bob Jenkins  
  Trinity Lake, Trinity County, California, USA 
  
           
 
  Maghemite R140712 
  (Fe3+ 0.67 ◻0.33 )Fe3+ 2 O4  
  Rock Currier  
  Katzenbuckel, Eberbach, Odenwald, Baden-Württemberg, Germany 
  
           
 
  Magnesio-fluoro-arfvedsonite R050515 
  NaNa2 (Mg4 Fe3+ )Si8 O22 F2  
  Frank Hawthorne  
  unknown 
  
           
 
  Magnesio-fluoro-hastingsite R141082 
  NaCa2 (Mg4 Fe3+ )(Si6 Al2 )O22 F2  
  Ch. and H. Schäfer  
  Caspar quarry, Bellerberg volcano, Mayen, Eifel, Germany 
  
           
 
  Magnesio-fluoro-hastingsite R141098 
  NaCa2 (Mg4 Fe3+ )(Si6 Al2 )O22 F2  
  Ch. and H. Schäfer  
  Uroi Hill (Arany Hill), Simeria, Hunedoara Co., Romania 
  
           
 
  Magnesio-fluoro-hastingsite R141099 
  NaCa2 (Mg4 Fe3+ )(Si6 Al2 )O22 F2  
  Ch. and H. Schäfer  
  Mt. Vesuvius, Naples, Campania, Italy 
  
           
 
  Magnesio-foitite X050186 
  ◻(Mg2 Al)Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Caltech  
  Honshu, Japan 
  
           
 
  Magnesio-hastingsite R040010 
  NaCa2 (Mg4 Fe3+ )(Si6 Al2 )O22 (OH)2  
  University of Arizona Mineral Museum 4231 
  Amity, New York, USA 
  
           
 
  Magnesio-hastingsite R070145 
  NaCa2 (Mg4 Fe3+ )(Si6 Al2 )O22 (OH)2  
  William W. Pinch  
  Niaslo, Basha Valley, Baltistan, Northern Areas, Pakistan 
  
           
 
  Magnesio-hastingsite R070288 
  NaCa2 (Mg4 Fe3+ )(Si6 Al2 )O22 (OH)2  
  Michael Scott S104903 
  Dallas Gem Mine (Gem Mine; Benitoite Mine), New Idria District, San Benito County, California, USA 
  
           
 
  Magnesio-riebeckite R060037 
  ◻Na2 (Mg3 Fe3+ 2 )Si8 O22 (OH)2  
  University of Arizona Mineral Museum 4236 
  Pollone, Piedmont, Italy 
  
           
 
  Magnesio-riebeckite R070002 
  ◻Na2 (Mg3 Fe3+ 2 )Si8 O22 (OH)2  
  Michael Scott S100846 
  Alto Chapare, Cochabamba Department, Bolivia 
  
           
 
  Magnesioalterite R180015 
  Mg2 Fe3+ 4 (SO4 )4 (C2 O4 )2 (OH)4 ·17H2 O 
  Malcom Alter  
  Near Marble Canyon, Coconino County, Arizona, USA 
  
           
 
  Magnesioaubertite R060344 
  MgAl(SO4 )2 Cl·14H2 O 
  Michael Scott S100113 
  Grotta de Faraglione, Vulcano, Italy 
  
           
 
  Magnesiocarpholite R140873 
  MgAl2 Si2 O6 (OH)4  
  Stefan Schorn  
  Sengelbach valley, Biesenrode, Wippra Metamorphic Zone, Harz, Saxony-Anhalt, Germany 
  
           
 
  Magnesiochlorophoenicite R140719 
  Mg3 Zn2 (AsO4 )(OH,O)6  
  Rock Currier  
  Sterling mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex County, New Jersey, USA 
  
           
 
  Magnesiochromite R050399 
  MgCr2 O4  
  Andy McCarthy  
  Troodos Mountains, Cyprus 
  
           
 
  Magnesiochromite R060796 
  MgCr2 O4  
  California Institute of Technology 10576 
  State Line Chrome mine (Low's mine), Cecil County, Maryland, USA 
  
           
 
  Magnesiochromite R060797 
  MgCr2 O4  
  California Institute of Technology 11227 
  Benbow mine, Stillwater Complex, Mount Wood area, Stillwater County, Montana, USA 
  
           
 
  Magnesiocopiapite R060155 
  MgFe3+ 4 (SO4 )6 (OH)2 ·20H2 O 
  University of Arizona Mineral Museum 12789 
  Denver mine, Santa Cruz County, Arizona, USA 
  
           
 
  Magnesiocoulsonite R070218 
  MgV2 O4  
  Michael Scott S100447 
  Pereval Marble Quarry, Sludyanka (Slyudyanka), Baikal area, Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia 
  
           
 
  Magnesioferrite R060869 
  MgFe3+ 2 O4  
  Michael Scott S101024 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Magnesioferrite R070127 
  MgFe3+ 2 O4  
  Michael Scott S100406 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Magnesiohulsite R070223 
  Mg2 Fe3+ O2 (BO3 ) 
  Michael Scott S100449 
  Iten'yurginskoye Deposit, Chukotka (Tchukotka) Okrug, Chukot Peninsula, Far-Eastern Region, Russia 
  
           
 
  Magnesiokoritnigite R150002 
  Mg(AsO3 OH)·H2 O 
  Bob Jenkins  
  Torrecillias mine, Sala Grande, Tamarugal Province, Chile 
  
           
 
  Magnesiotaaffeite-2N '2S R070555 
  Mg3 BeAl8 O16  
  www.multicolour.com   
  Tunduru, Tanzania 
  
           
 
  Magnesiotaaffeite-2N '2S X090001 
  Mg3 BeAl8 O16  
  William W. Pinch  
  Ratnapura, Sri Lanka 
  
           
 
  Magnesiotaaffeite-2N '2S R090035 
  Mg3 BeAl8 O16  
  William W. Pinch  
  Ratnapura District, Sri-Lanka 
  
           
 
  Magnesiotaaffeite-6N '3S X070005 
  Mg2 BeAl6 O12  
  www.multicolour.com  
  Tunduru, Tanzania 
  
           
 
  Magnesiotaaffeite-6N '3S R090019 
  Mg2 BeAl6 O12  
  William W. Pinch  
  Ratnapura District, Sri Lanka 
  
           
 
  Magnesite R040114 
  Mg(CO3 ) 
  University of Arizona Mineral Museum 7562 
  Snarum, Norway 
  
           
 
  Magnesite X050115 
  Mg(CO3 ) 
  CIT 2123 
  Serra Das Egnas, Brazil 
  
           
 
  Magnesite X050116 
  Mg(CO3 ) 
  CIT 1450 
  Gustine Merced County, California, USA 
  
           
 
  Magnesite R050443 
  Mg(CO3 ) 
  Eugene Schlepp  
  Brumado, Bahia, Brazil 
  
           
 
  Magnesite R050676 
  Mg(CO3 ) 
  University of Arizona Mineral Museum 3874 
  Tyrol, Austria 
  
           
 
  Magnesium stearate D120003 
  David Blake  
  Synthetic 
  
           
 
  Magnetite R060191 
  Fe2+ Fe3+ 2 O4  
  Lloyd Twaites  
  Merry Widow mine, Vancouver Island, British Columbia, Canada 
  
           
 
  Magnetite R060222 
  Fe2+ Fe3+ 2 O4  
  Rock Currier  
  Cerro Huañaquino, Potosi Department, Bolivia 
  
           
 
  Magnetite R060656 
  Fe2+ Fe3+ 2 O4  
  Michael Scott S101168 
  Jacupiranga Pegmatite, Sao Paulo State, Brazil 
  
           
 
  Magnetite R061111 
  Fe2+ Fe3+ 2 O4  
  Michael Scott S104099 
  near Scotia Talc mine, Barberton Mountain, Transvaal, South Africa 
  
           
 
  Magnetite R080025 
  Fe2+ Fe3+ 2 O4  
  William W. Pinch  
  2500' level, Zinc Corporation of America mine #4, Balmat, New York, USA 
  
           
 
  Magnetite R140861 
  Fe2+ Fe3+ 2 O4  
  Rock Currier  
  Bon Accord, Barberton District, Mpumalanga Province, South Africa 
  
           
 
  Magnetoplumbite R060074 
  PbFe3+ 12 O19  
  University of Arizona Mineral Museum 16289 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Magnussonite R100027 
  Mn2+ 10 As3+ 6 O18 (OH,Cl)2  
  William W. Pinch  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Majorite R210005 
  Mg3 (MgSi)(SiO4 )3  
  Jurgen Konzett TP-MA-6 
  Synthesized at at 20-25 GPa and 1600-1700 °C 
  
           
 
  Makatite R050594 
  Na2 Si4 O8 (OH)2 ·4H2 O 
  Marcus Origlieri  
  Aris phonolite, Windhoek District, Windhoek, Namibia 
  
           
 
  Malachite R050531 
  Cu2 (CO3 )(OH)2  
  University of Arizona Mineral Museum 4809 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Malachite R050508 
  Cu2 (CO3 )(OH)2  
  University of Arizona Mineral Museum 12261 
  Kambova, Kantanga, Zaire 
  
           
 
  Malanite R070051 
  Cu1+ (Ir3+ Pt4+ )S4  
  Michael Scott S105075 
  placer from Philipp Massif, Kamchatka, Russia 
  
           
 
  Malayaite R061131 
  CaSnO(SiO4 ) 
  Michael Scott S100381 
  Humpolec, Czech Republic 
  
           
 
  Malayaite R061106 
  CaSnO(SiO4 ) 
  Michael Scott S100848 
  Meldon, Dartmoor, Devon, England 
  
           
 
  Malayaite R080024 
  CaSnO(SiO4 ) 
  Mark N. Feinglos, William P. Pinch  
  Ash Mountain, McDame, British Columbia, Canada 
  
           
 
  Malhmoodite R060462 
  Fe2+ Zr(PO4 )2 ·4H2 O 
  Michael Scott S100114 
  Union Carbide Vanadium mine, Wilson Springs, Garland County, Arkansas, USA 
  
           
 
  Malhmoodite R200009 
  Fe2+ Zr(PO4 )2 ·4H2 O 
  Tom Loomis  
  Scott's R.Q. mine, Custer Co., South Dakota, U.S.A. 
  
           
 
  Mammothite R130100 
  Pb6 Cu4 AlSb5+ O2 (SO4 )2 Cl4 (OH)16  
  Joe Ruiz  
  Rowley mine, Maricopa County, Arizona, USA 
  
           
 
  Manaksite R060693 
  KNaMn2+ Si4 O10  
  Michael Scott S100949 
  Palitra pegmatite, Kedykverpakhk Mountain, Lovozero massif, Kola Peninsula, Russia 
  
           
 
  Manandonite R060968 
  Li2 Al4 (Si2 AlB)O10 (OH)8  
  Michael Scott S100388 
  Antandro Komby mine, Manandona River, Antsirabe, Madagascar 
  
           
 
  Mandarinoite R140742 
  Fe3+ 2 (Se4+ O3 )3 ·6H2 O 
  Rock Currier  
  Skouriotissa mine, Skouriotissa, Nicosia District, Cyprus 
  
           
 
  Mandarinoite R220014 
  Fe3+ 2 (Se4+ O3 )3 ·6H2 O 
  Jim McGlasson  
  Wind Mountain mine, Washoe County, Nevada, U.S.A. 
  
           
 
  Manganbabingtonite R140743 
  Ca2 Mn2+ Fe3+ Si5 O14 (OH) 
  Rock Currier  
  Iron Cap mine, Aravaipa District, Graham County, Arizona, USA 
  
           
 
  Mangani-obertiite R141096 
  NaNa2 (Mg3 Mn3+ Ti4+ )Si8 O22 O2  
  Ch. and H. Schäfer  
  Caspar quarry, Bellerberg volcano, Mayen, Eifel, Germany 
  
           
 
  Manganilvaite R070334 
  CaFe2+ Fe3+ Mn2+ (Si2 O7 )O(OH) 
  Michael Scott S100979 
  First Sovetskiy mine, Dalnegorsk, Far East of Russia 
  
           
 
  Manganite R060827 
  Mn3+ O(OH) 
  Michael Scott S101187 
  Roberts mine, Crosby, Minnesota, USA 
  
           
 
  Manganite R070269 
  Mn3+ O(OH) 
  Michael Scott S102942 
  Wessels mine, Hotazel, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Manganite R070593 
  Mn3+ O(OH) 
  James Shigley  
  Ilfeld, near Nordhausen, Harz Mountains, Thuringia, Germany 
  
           
 
  Mangano-ferri-eckermannite R070122 
  NaNa2 (Mn2+ 4 Fe3+ )Si8 O22 (OH)2  
  Michael Scott S100408 
  Tanohata mine, Iwate Prefecture, Tohoku Region, Honshu Island, Japan 
  
           
 
  Mangano-mangani-ungarettiite R050244 
  NaNa2 (Mn2+ 2 Mn3+ 3 )Si8 O22 O2  
  Marcus Origlieri  
  Hoskins mine, near Grenfell, New South Wales, Australia 
  
           
 
  Manganoeudialyte R110212 
  Na14 Ca6 Mn3 Zr3 [Si26 O72 (OH)2 ](H2 O,Cl,O,OH)6  
  Gunnar Farber  
  Pocos de Caldas plateau, Minas Gerais, Brazil 
  
           
 
  Manganogrunerite R060378 
  ◻Mn2 Fe2+ 5 Si8 O22 (OH)2  
  Michael Scott S100223 
  Brunsjogruvan (Brunsjo mine), near Hallefors, Orebro, Sweden 
  
           
 
  Manganohörnesite R061005 
  Mn2+ 3 (AsO4 )2 ·8H2 O 
  Michael Scott S101277 
  Mossgruven, Nordmark, Sweden 
  
           
 
  Manganoneptunite R060901 
  KNa2 LiMn2+ 2 Ti2 Si8 O24  
  Royal Ontario Museum M52451 
  Mont St. Hilaire, Quebec, Canada 
  
           
 
  Manganoneptunite R130094 
  KNa2 LiMn2+ 2 Ti2 Si8 O24  
  Michael Scott S100990 
  Mount Kurnasurt, Lovozero Massif, Kola Peninsula, USSR 
  
           
 
  Manganonordite-(Ce) R140749 
  Na3 SrCeMn2+ Si6 O17  
  Rock Currier  
  Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Manganoquadratite R090021 
  AgMnAsS3  
  William W. Pinch  
  Uchucchacua, Lima Department, Peru 
  
           
 
  Manganosite R060695 
  MnO 
  Bob Jenkins  
  Franklin, New Jersey, USA 
  
           
 
  Manganosite R060757 
  MnO 
  Michael Scott S101129 
  Nordmark, Sweden 
  
           
 
  Manganvesuvianite R060377 
  Ca19 Mn3+ Al10 Mg2 (SiO4 )10 (Si2 O7 )4 O(OH)9  
  Michael Scott S100306 
  K'Chwaning II mine, Kalahari manganese field, north Cape Province, South Africa 
  
           
 
  Manitobaite R130259 
  Na16 Mn2+ 25 Al8 (PO4 )30  
  Rock Currier  
  Gottcha Claim (Pegmatite No. 22), Cross Lake, Manitoba, Canada 
  
           
 
  Manitobaite R130260 
  Na16 Mn2+ 25 Al8 (PO4 )30  
  Rock Currier  
  Gottcha Claim (Pegmatite No. 22), Cross Lake, Manitoba, Canada 
  
           
 
  Manjiroite R060379 
  Na(Mn4+ 7 Mn3+ )O16  
  Michael Scott S100035 
  Wessels mine, Kalahari Manganese Field, South Africa 
  
           
 
  Mannardite R060966 
  Ba(Ti6 V3+ 2 )O16  
  Mark Mauthner 3094 
  Rough Claims, Laird Mining Division, British Columbia, Canada 
  
           
 
  Mannardite R080136 
  Ba(Ti6 V3+ 2 )O16  
  Luiz Menezes  
  Corinto area, Minas Gerais, Brazil 
  
           
 
  Mansfieldite R060409 
  Al(AsO4 )·2H2 O 
  Herb Obodda 044 
  Djebel Debagh, Constantine, Algeria 
  
           
 
  Mansfieldite R060951 
  Al(AsO4 )·2H2 O 
  Bob Jenkins  
  Pampa Larga Mining District, Chile 
  
           
 
  Mapimite R080002 
  Zn2 Fe3+ 3 (AsO4 )3 (OH)4 ·10H2 O 
  William W. Pinch, from M Romero 5749 
  Level 5 between Palomes Oriente and San Carlos, Ojuela mine, Mapimi, Durango, Mexico 
  
           
 
  Marcasite R060882 
  FeS2  
  Bob Jenkins  
  Ive's Quarry, Racine, Wisconsin, USA 
  
           
 
  Marécottite R070057 
  Mg3 O6 (UO2 )8 (SO4 )4 (OH)2 ·28H2 O 
  Michael Scott S105077 
  La Creusaz U prospect, Marecottes Village, Canton, Wallis, Switzerland 
  
           
 
  Margaritasite R060461 
  Cs2 (UO2 )2 (VO4 )2 ·H2 O 
  Michael Scott S100084 
  Margaritas Open Pit, Sierra Pena Blanca, Chihuahua, Mexico 
  
           
 
  Margarite R060839 
  CaAl2 Si2 Al2 O10 (OH)2  
  Michael Scott S100904 
  Old Emery mine, Chester, Massachusetts, USA 
  
           
 
  Margarosanite R120111 
  Ca2 PbSi3 O9  
  Caltech   H-2644 
  Parker shaft, Franklin, New Jersey, USA 
  
           
 
  Marialite R040043 
  Na4 Al3 Si9 O24 Cl 
  University of Arizona Mineral Museum 8081 
  Gouverneur, New York, USA 
  
           
 
  Marialite R040113 
  Na4 Al3 Si9 O24 Cl 
  University of Arizona Mineral Museum 4398 
  Gouverneur, New York, USA 
  
           
 
  Marialite R050123 
  Na4 Al3 Si9 O24 Cl 
  Syed Shah  
  Pakistan 
  
           
 
  Marialite R060297 
  Na4 Al3 Si9 O24 Cl 
  Herb Obodda 050 
  Morogoro District, Marasi, Tanzania 
  
           
 
  Marialite R060469 
  Na4 Al3 Si9 O24 Cl 
  Michael Scott S100276 
  Mpwa-Mpwa mine, Umba Valley, near Arusha, Tanzania 
  
           
 
  Marialite R060458 
  Na4 Al3 Si9 O24 Cl 
  Michael Scott S100219 
  Dading, Nepal 
  
           
 
  Marialite R060526 
  Na4 Al3 Si9 O24 Cl 
  Michael Scott S100229 
  Minas Gerais, Brazil 
  
           
 
  Marialite R070689 
  Na4 Al3 Si9 O24 Cl 
  Michael Scott S100902 
  Itaguassu, Espirito Santo State, Brazil 
  
           
 
  Marialite R100112 
  Na4 Al3 Si9 O24 Cl 
  Robert Woodside  
  Sar-e-Sang District,  Koksha Valley,  Badakhshan Province,  Afghanistan 
  
           
 
  Marialite R100167 
  Na4 Al3 Si9 O24 Cl 
  Mineralogical Museum, Harvard University 135997 
  Mapapwa, Dodoma, Tanzania 
  
           
 
  Marićite R070273 
  NaFe2+ (PO4 ) 
  Mark Mauthner 1182 
  Locality 16, Big Fish River, Richardson Mountains, Dawson Mining District, Yukon Territory, Canada 
  
           
 
  Maricopaite R120147 
  Ca2 Pb7 (Si36 Al12 )O99 ·n(H2 O,OH) 
  Bob Jenkins and Ron Gibbs  
  Moon Anchor mine, Hummingbird Spring,  Big Horn Mts, Maricopa County, Arizona, USA 
  
           
 
  Marinellite R070078 
  Na42 Ca6 Al36 Si36 O144 (SO4 )8 Cl2 ·6H2 O 
  Michael Scott S105076 
  Monte Cavalluccio, Sacrofano, Campagnano di Roma, Italy 
  
           
 
  Markascherite R100030 
  Cu3 (MoO4 )(OH)4  
  Mark Ascher  
  Childs Aldwinkle mine, Bunker Hill District, Copper Creek, Pinal County, Arizona, USA 
  
           
 
  Marokite R060829 
  CaMn3+ 2 O4  
  Michael Scott S101266 
  Tachguagalt, Morocco 
  
           
 
  Marokite R070275 
  CaMn3+ 2 O4  
  Hexiong Yang  
  Synthetic 
  
           
 
  Marshite R100001 
  CuI 
  Marcus Origlieri  
  Rubtsovskiy, Altai Kray, Russia 
  
           
 
  Marsturite R141122 
  NaCaMn2+ 3 Si5 O14 (OH) 
  Joan Abella i Creus  
  Joaquina 1a  mine, Bellmunt del Priorat, Tarragona, Catalonia, Spain 
  
           
 
  Marsturite R141119 
  NaCaMn2+ 3 Si5 O14 (OH) 
  Marcus Origlieri  
  Gozaisho mine, Fukushima Prefecture, Japan 
  
           
 
  Marsturite R141210 
  NaCaMn2+ 3 Si5 O14 (OH) 
  Jaco and Tania Janse van Nieuwenhuizen  
  Wessels mine, Kalahari Manganese Field, Northern Cape Province, South Africa 
  
           
 
  Marthozite R090052 
  Cu2+ (UO2 )3 (Se4+ O3 )2 O2 ·8H2 O 
  William W. Pinch  
  Musonoi mine, Kolwezi, Katanga, Congo 
  
           
 
  Mascagnite R060640 
  (NH4 )2 (SO4 ) 
  Michael Scott S100822 
  Ravat, Tajikistan 
  
           
 
  Mascagnite R141105 
  (NH4 )2 (SO4 ) 
  Kenny Lloyd and Dirk Andrews  
  Cultured biogenically in laboratory. 
  
           
 
  Mascagnite R141117 
  (NH4 )2 (SO4 ) 
  Kenny Lloyd and Dirk Andrews  
  Ravat Saravanan, Tajikistan 
  
           
 
  Masutomilite R061008 
  KLiAlMn2+ (Si3 Al)O10 (F,OH)2  
  Michael Scott S101311 
  Tanokamiyama, Shiga Prefecture, Japan 
  
           
 
  Matlockite R140538 
  PbClF 
  The University of Arizona Mineral Museum 5194 and 10550  
  Mammoth mine, Tiger, Pinal County, Arizona, USA 
  
           
 
  Mattheddleite R070490 
  Pb5 (SiO4 )1.5 (SO4 )1.5 Cl 
  Bob Jenkins  
  Dry Smale Gill, Roughton Gill, Caldbeck Fells, Cumbria (Cumberland), England, United Kingdom 
  
           
 
  Mawbyite R080011 
  PbFe3+ 2 (AsO4 )2 (OH)2  
  William W. Pinch  
  Tsumeb, Namibia 
  
           
 
  Maxwellite R060955 
  NaFe3+ (AsO4 )F 
  Bob Jenkins  
  Squaw Creek Tin mine, Catron County, New Mexico, USA 
  
           
 
  Mbobomkulite R060597 
  (Ni,Cu)Al4 (NO3 ,SO4 )2 (OH)12 ·3H2 O 
  Michael Scott S100798 
  Jomac mine, San Juan County, Utah, USA 
  
           
 
  Mcgillite R110206 
  Mn2+ 8 Si6 O15 (OH)8 Cl2  
  Royal Ontario Museum M36127 
  Sullivan mine, Kimberley, British Columbia, Canada 
  
           
 
  Mcgovernite R110030 
  Zn3 (Mn2+ ,Mg,Fe3+ ,Al)42 (As3+ O3 )2 (As5+ O4 )4 [(Si,As5+ )O4 ]8 (OH)42  
  William W Pinch  
  Sterling Hill mine, Odgensberg, Sussex County, New Jersey, USA 
  
           
 
  Mcguinnessite R070082 
  CuMg(CO3 )(OH)2  
  James Shigley  
  Copper King mine, Red Mountain District, Mendocino County, California, USA 
  
           
 
  Medaite R130098 
  Mn2+ 6 V5+ Si5 O18 (OH) 
  Donald Doell (Large Piece) and Rock Currier (Small Piece)  
  Molinello mine, Graveglia Valley, Ne, Genova Province, Liguria, Italy 
  
           
 
  Meieranite R140947 
  Na2 Sr3 MgSi6 O17  
  Jaco and Tania Janse van Nieuwenhuizen  
  Wessels mine, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Meierite R170045 
  Ba44 Si66 Al30 O192 Cl25 (OH)33  
  Ron Peterson  
  Gun Claim, Yukon Canada 
  
           
 
  Meionite R040169 
  Ca4 Al6 Si6 O24 (CO3 ) 
  University of Arizona Mineral Museum 12235 
  Black Hills, South Dakota, USA 
  
           
 
  Melanophlogite R060863 
  C2 H17 O5 ·Si46 O92  
  Michael Scott S100869 
  6 miles east of Mount Hamilton, Santa Clara County, California, USA 
  
           
 
  Melanophlogite R110071 
  C2 H17 O5 ·Si46 O92  
  Renato & Adriana Pagano  
  Giona mine, Milena, Caltanissetta Province, Sicily, Italy 
  
           
 
  Melanostibite R200016 
  Mn2 Fe3+ Sb5+ O6  
  Markus and Stefan Wiklund #00008 
  Langban mine, Filipstad, Varmland, Sweden 
  
           
 
  Melanotekite R090032 
  Pb2 Fe3+ 2 O2 (Si2 O7 ) 
  William W. Pinch  
  Kombat, Namibia 
  
           
 
  Melanovanadite R050555 
  Ca(V5+ ,V4+ )4 O10 ·5H2 O 
  Dave Bunk Minerals  
  Ragra mine, Cerro de Pasco Province, Pasco Department, Peru 
  
           
 
  Melanovanadite R060131 
  Ca(V5+ ,V4+ )4 O10 ·5H2 O 
  University of Arizona Mineral Museum 1112 
  Minas Ragra, Peru 
  
           
 
  Meliphanite R060786 
  Ca4 (Na,Ca)4 Be4 AlSi7 O24 (F,O)4  
  Michael Scott S101068 
  Brevig, Norway 
  
           
 
  Mellite R070574 
  Al2 C6 (COO)6 ·16H2 O 
  James Shigley  
  Tuscany, Italy 
  
           
 
  Mendipite R050669 
  Pb3 O2 Cl2  
  University of Arizona Mineral Museum 9713 
  Mendip Hills, Higher Pits, Somerset, England 
  
           
 
  Mendozavilite-NaCu R120038 
  [Na2 (H2 O)15 Cu(H2 O)6 ][Mo8 P2 Fe3+ 3 O34 (OH)3 ] 
  Bob Jenkins  
  Lomas Bayas mine, Baquedano, Antofagasta Province, Antofagasta Region, Chile 
  
           
 
  Mendozite R070315 
  NaAl(SO4 )2 ·11H2 O 
  James Shigley  
  Gold Bottom mine, Inyo County, California, USA 
  
           
 
  Meneghinite R050444 
  Pb13 CuSb7 S24  
  Peter Megaw  
  Bottino, Tucsany, Italy 
  
           
 
  Meneghinite R070093 
  Pb13 CuSb7 S24  
  James Shigley  
  Kalkar Quarry, Santa Cruz, Santa Cruz County, California, USA 
  
           
 
  Menezesite R060979 
  Ba3 MgZr4 Nb12 O42 ·12H2 O 
  Michael Scott S100864 
  Jacupiranga mine, Cajati, Sao Paulo, Brazil 
  
           
 
  Mercallite R070072 
  KH(SO4 ) 
  Michael Scott S105078 
  crater of Mount Vesuvius, Campagnano di Roma, Italy 
  
           
 
  Mercury R070277 
  Hg 
  Michael Scott S105390 
  Socrates Mine, Sonoma County, California, USA 
  
           
 
  Merlinoite R130095 
  K5 Ca2 (Si23 Al9 )O64 ·24H2 O 
  Donald Doell  
  Pollena quarry, Vesuvius, Napoli, Campania, Italy 
  
           
 
  Merrillite R150063 
  Ca9 NaMg(PO4 )7  
  Xiande Xie and Xiangping Gu  
  Suizhou L6 chondrite, Dayanpo, 12.5 km southeast of the city of Suizhou, Hubei Province, China (35°18’N, 113°35’E) 
  
           
 
  Merwinite R070195 
  Ca3 Mg(SiO4 )2  
  California Institute of Technology CIT-14405 
  Commercial Quarry, Riverside County, California, USA 
  
           
 
  Mesolite R040139 
  Na2 Ca2 (Si9 Al6 )O30 ·8H2 O 
  University of Arizona Mineral Museum 9618 
  Lake Superior beach,  41 miles north of Tofte, Minnesota, USA 
  
           
 
  Mesolite R040140 
  Na2 Ca2 (Si9 Al6 )O30 ·8H2 O 
  University of Arizona Mineral Museum 16169 
  Challis, Idaho, USA 
  
           
 
  Mesolite R050013 
  Na2 Ca2 (Si9 Al6 )O30 ·8H2 O 
  University of Arizona Mineral Museum 10480 
  Poona, Maharashtra, India 
  
           
 
  Messelite R210009 
  Ca2 Fe2+ (PO4 )2 ·2H2 O 
  Tom Loomis  
  Palermo mine, Grafton Co., New Hampshire 
  
           
 
  Meta-autunite R050612 
  Ca(UO2 )2 (PO4 )2 ·6H2 O 
  Dave Bunk Minerals  
  Daybreak mine, Mt. Spokane, Spokane County, Washington, USA 
  
           
 
  Meta-autunite R060434 
  Ca(UO2 )2 (PO4 )2 ·6H2 O 
  Michael Scott S100368 
  Hyverneresse, Creuse, France 
  
           
 
  Meta-autunite R060476 
  Ca(UO2 )2 (PO4 )2 ·6H2 O 
  Michael Scott S100363 
  San Pedro mine, Malacheta, Minas Gerais, Brazil 
  
           
 
  Meta-autunite R141039 
  Ca(UO2 )2 (PO4 )2 ·6H2 O 
  Rob Lavinsky  
  Spruce Pine District, Avery County, North Carolina, USA 
  
           
 
  Metaborite R130694 
  HBO2  
  Rock Currier  
  Chelkar salt dome, Aksai Valley, Aktobe Province, Kazakhstan 
  
           
 
  Metacinnabar R060950 
  HgS 
  Bob Jenkins  
  Ryan mine, Contra Costa County, California, USA 
  
           
 
  Metacinnabar R180027 
  HgS 
  Joseph P. Becker  
  Twin Creeks mine, Humboldt County, Nevada, USA 
  
           
 
  Metaheinrichite R060778 
  Ba(UO2 )2 (AsO4 )2 ·8H2 O 
  Michael Scott S101284 
  Schmiedestoll, Wittichen, Schwarzwald, Germany 
  
           
 
  Metahewettite R070199 
  CaV5+ 6 O16 ·3H2 O 
  James Shigley  
  Fish Creek Range, south of Eureka, Eureka County, Nevada, USA 
  
           
 
  Metaköttigite R130695 
  (Zn,Fe3+ )3 (AsO4 )2 ·8(H2 O,OH) 
  Rock Currier  
  Ojuela mine, Mapimí, Municipio de Mapimí, Durango, Mexico 
  
           
 
  Metalodèvite R130693 
  Zn(UO2 )2 (AsO4 )2 ·10H2 O 
  Rock Currier  
  Riviéral, Lodève, Hérault, Languedoc-Roussillon, France 
  
           
 
  Metamunirite R060624 
  NaV5+ O3  
  Michael Scott S100795 
  Big Gypsum Valley, San Miguel County, Colorado, USA 
  
           
 
  Metarauchite R120114 
  Ni(UO2 )2 (AsO4 )2 ·8H2 O 
  Dr Peter Kolesar  
  Schweizer vein, 90 level, Eduard mine, Jachymov, Krusne Hory Mts., Czech Republic 
  
           
 
  Metarossite R060598 
  CaV5+ 2 O6 ·2H2 O 
  Michael Scott S100799 
  Arrowhead Claim, Slick Rock, San Miguel County, Colorado, USA 
  
           
 
  Metarossite R100065 
  CaV5+ 2 O6 ·2H2 O 
  Bob Jenkins  
  Blue Cap mine, San Juan County, Utah, USA 
  
           
 
  Metaschoderite R100023 
  Al(PO4 )·3H2 O 
  Marcus Origlieri  
  Fish Creek Range, Eureka County, Nevada, USA 
  
           
 
  Metastibnite R060755 
  Sb2 S3  
  Michael Scott S101259 
  San Jose mine, Oruro, Bolivia 
  
           
 
  Metatorbernite R040171 
  Cu(UO2 )2 (PO4 )2 ·8H2 O 
  University of Arizona Mineral Museum 6497 
  La Luz de Cobre, Sonora, Mexico 
  
           
 
  Metatorbernite R070509 
  Cu(UO2 )2 (PO4 )2 ·8H2 O 
  James Shigley  
  Musonoi mine, Kolwezi, Katanga, Congo 
  
           
 
  Metatorbernite R070686 
  Cu(UO2 )2 (PO4 )2 ·8H2 O 
  Michael Scott S102637 
  Fichtelgebirge, Franconia, Bavaria, Germany 
  
           
 
  Metatorbernite R070683 
  Cu(UO2 )2 (PO4 )2 ·8H2 O 
  Michael Scott S102638 
  Chalk Mountain mine, Spruce Pine, Spruce Pine District, Mitchell County, North Carolina, USA 
  
           
 
  Metatorbernite R120014 
  Cu(UO2 )2 (PO4 )2 ·8H2 O 
  Donald Doell  
  Governor's Lake pegmatite, Halifax County, Nova Scotia, Canada 
  
           
 
  Metatorbernite R130109 
  Cu(UO2 )2 (PO4 )2 ·8H2 O 
  Don Doell  
  Shinkolobwe mine, Katanga, Zaire 
  
           
 
  Metatorbernite R140872 
  Cu(UO2 )2 (PO4 )2 ·8H2 O 
  Stefan Schorn  
  Roland mine, Wölsendorf East District, Wölsendorf Fluorite mining District, Schwandorf, Upper Palatinate, Bavaria, Germany 
  
           
 
  Metauranocircite R050575 
  Ba(UO2 )2 (PO4 )2 ·6H2 O 
  University of Arizona Mineral Museum 3041 
  Voightland, Saxony, Germany 
  
           
 
  Metauranocircite II R070721 
  Ba(UO2 )2 (PO4 )2 ·6H2 O 
  James Shigley  
  Streuberg Quarry, Bergen, Falkenstein, Voigtland, Saxony, Germany 
  
           
 
  Metavariscite R050461 
  Al(PO4 )·2H2 O 
  University of Arizona Mineral Museum 6532 
  Utahlite Hill, Lucin, Utah, USA 
  
           
 
  Metavivianite R130545 
  Fe2+ Fe3+ 2 (PO4 )2 (OH)2 ·6H2 O 
  Rock Currier  
  Rapid Creek, Yukon Territory, Canada 
  
           
 
  Metavoltine R060835 
  K2 Na6 Fe2+ Fe3+ 6 O2 (SO4 )12 ·18H2 O 
  Bob Jenkins  
  Cetine mine, Siena Province, Tuscany, Italy 
  
           
 
  Metavoltine R070542 
  K2 Na6 Fe2+ Fe3+ 6 O2 (SO4 )12 ·18H2 O 
  James Shigley  
  Vulcano Island. Lipari Islands, Messina Province, Sicily, Italy 
  
           
 
  Metazeunerite R050524 
  Cu(UO2 )2 (AsO4 )2 ·8H2 O 
  University of Arizona Mineral Museum 9808 
  Majuba Hill mine, Pershing County, Nevada 
  
           
 
  Metazeunerite R060301 
  Cu(UO2 )2 (AsO4 )2 ·8H2 O 
  University of Arizona Mineral Museum 2484 
  Joachimstal, Bohemia, Czech Republic 
  
           
 
  Metazeunerite R070314 
  Cu(UO2 )2 (AsO4 )2 ·8H2 O 
  James Shigley  
  Mylar mine, Majuba Hill, Antelope District, Pershing County, Nevada, USA 
  
           
 
  Metazeunerite R110205 
  Cu(UO2 )2 (AsO4 )2 ·8H2 O 
  Michael Scott  S102006 
  Roter Berg District, Schneeberg District, Erzgebirge, Saxony, Germany 
  
           
 
  Meurigite-K R070105 
  KFe3+ 8 (PO4 )6 (OH)7 ·6.5H2 O 
  Bob Jenkins  
  Teskov, Czech Republic 
  
           
 
  Meurigite-K R110135 
  KFe3+ 8 (PO4 )6 (OH)7 ·6.5H2 O 
  Luiz Menezes  
  Sapucaia mine, Galileia, Minas Gerais, Brazil 
  
           
 
  Meurigite-Na R130084 
  [Na(H2 O)2.5 ][Fe3+ 8 (PO4 )6 (OH)7 (H2 O)4 ] 
  Anthony R. Kampf   
  Silver Coin mine, Valmy, Iron Point district, Humboldt County, Nevada, USA 
  
           
 
  Meyerhofferite R050671 
  CaB3 O3 (OH)5 ·H2 O 
  University of Arizona Mineral Museum 6263 
  Inyo County, California, USA 
  
           
 
  Miargyrite R050440 
  AgSbS2  
  University of Arizona Mineral Museum 1494 
  Saint Andreasberg, Harz Mountains, Niedersachsen, Germany 
  
           
 
  Miargyrite R050480 
  AgSbS2  
  California Institute of Technology 20717 
  Boulder County, Colorado, USA 
  
           
 
  Miassite R070075 
  Rh17 S15  
  Michael Scott S105079 
  Yukhtochka placer, Tributary of Aldan River, Yakutia, Russia 
  
           
 
  Microcline R040154 
  K(AlSi3 O8 ) 
  University of Arizona Mineral Museum 81 
  Mitchell County, North Carolina, USA 
  
           
 
  Microcline R050054 
  K(AlSi3 O8 ) 
  Rock Currier  
  Kenticha, Negele area, Sidamo Province, Ethiopia 
  
           
 
  Microcline R050150 
  K(AlSi3 O8 ) 
  Dave Bunk Minerals  
  Crystal Peak area, Park/Teller Counties, Colorado, USA 
  
           
 
  Microcline R050193 
  K(AlSi3 O8 ) 
  Dave Bunk Minerals  
  Devil's Head, Douglas County, Colorado, USA 
  
           
 
  Microcline X050117 
  K(AlSi3 O8 ) 
  G.R. Rossman 1281 
  White Queen mine, Pala, San Diego County, California, USA 
  
           
 
  Microcline R120005 
  K(AlSi3 O8 ) 
  Marcus Origlieri  
  Mount Malosa, Zomba District, Malawi 
  
           
 
  Microcline R150015 
  K(AlSi3 O8 ) 
  Jennifer Schmidt LDP12-12 
  Unknown 
  
           
 
  Microlite R070058 
  (Ca,Na)2 Ta2 (O,OH,F)7  
  Michael Scott S105081 
  Kyoktogai pegmatite field, Altai, Xinjinag Province, China 
  
           
 
  Microsommite R100090 
  [(Na,K)6 (SO4 )][Ca2 Cl2 ][(Si6 Al6 O24 )] 
  Marcus Origlieri  
  Monte Somma, Campania, Italy 
  
           
 
  Miersite R110034 
  AgI 
  William W Pinch  
  Block 2-1, 100 meter level, Rubtsovsk mine, Rudniy Altai Mountains, Russia 
  
           
 
  Miersite R110170 
  AgI 
  Marcus Origlieri  
  Proprietary mine, Broken Hill, Australia 
  
           
 
  Miguelromeroite R070064 
  Mn5 (AsO3 OH)2 (AsO4 )2 (H2 O)4  
  Bob Jenkins  
  Veta Negra mine, Pampa Larga Mining District, Tierra Amarilla, Chile 
  
           
 
  Mikenewite R210021 
  Mn2+ (S4+ O3 )·3H2 O 
  Bob Jenkins  
  Ojuela mine, Mapimí, Municipio de Mapimí, Durango, Mexico 
  
           
 
  Milarite R070373 
  KCa2 (Be2 AlSi12 )O30 ·H2 O 
  Royal Ontario Museum M28150 
  Guanajuato, Mexico 
  
           
 
  Milarite R070464 
  KCa2 (Be2 AlSi12 )O30 ·H2 O 
  Michael Scott S105271 
  Rössing Mine, Arandis, Swakopmund District, Namibia 
  
           
 
  Milarite R120135 
  KCa2 (Be2 AlSi12 )O30 ·H2 O 
  Luiz Menezes  
  Jaguaraçu, Minas Gerais, Brazil 
  
           
 
  Millerite R060898 
  NiS 
  Royal Ontario Museum M3900 
  Orford, Quebec, Canada 
  
           
 
  Millerite R070323 
  NiS 
  James Shigley  
  Keokuk area, Lee County, Iowa, USA 
  
           
 
  Millerite R080122 
  NiS 
  Joan Abella i Creus  
  Eugenia mine, Bellmunt del Priorat, Tarragona, Catalonia, Spain 
  
           
 
  Mimetite R040123 
  Pb5 (AsO4 )3 Cl 
  University of Arizona Mineral Museum 13770 
  San Pedro Corralitos, Chihuahua, Mexico 
  
           
 
  Mimetite R050007 
  Pb5 (AsO4 )3 Cl 
  Eugene Schlepp  
  Pingtouling, Guangdong, China 
  
           
 
  Mimetite R050527 
  Pb5 (AsO4 )3 Cl 
  University of Arizona Mineral Museum 10567 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Mimetite R130731 
  Pb5 (AsO4 )3 Cl 
  Bob Downs  
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Mimetite R060920 
  Pb5 (AsO4 )3 Cl 
  Marcus Origlieri  
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Mimetite R070309 
  Pb5 (AsO4 )3 Cl 
  Michael Scott S102788 
  Vrancice, Czechoslovakia 
  
           
 
  Mimetite-M  R070146 
  Pb5 (AsO4 )3 Cl 
  Michael Scott S101900 
  Treue Freundschaft Mine, Johanngeorgenstadt, Erzgebirge, Saxony, Germany 
  
           
 
  Mimetite-M  R070138 
  Pb5 (AsO4 )3 Cl 
  Michael Scott S103866 
  Eureka Hill Mine, Tintic District, East Tintic Mts, Juab County, Utah, USA 
  
           
 
  Minasgeraisite-(Y) R120134 
  CaBe2 Y2 Si2 O10  
  Luiz Menezes  
  Jaguaraçu, Minas Gerais, Brazil 
  
           
 
  Minasragrite R130365 
  V4+ O(SO4 )·5H2 O 
  Tom Loomis  
  Minas Ragra mine, Pasco, Peru 
  
           
 
  Minium R050426 
  Pb2+ 2 Pb4+ O4  
  University of Arizona Mineral Museum 15293 
  El Chichi mine, Culiacan, Sinalog, Mexico 
  
           
 
  Minium R070508 
  Pb2+ 2 Pb4+ O4  
  James Shigley  
  Gila Bend, Maricopa County, Arizona, USA 
  
           
 
  Minium P001241 
  Pb2+ 2 Pb4+ O4  
  ScottLab P001241 
  Virtual 
  
           
 
  Minyulite R070151 
  KAl2 (PO4 )2 F·4H2 O 
  James Shigley  
  Minyulo Well, Dandaragan, Western Australia, Australia 
  
           
 
  Minyulite R100072 
  KAl2 (PO4 )2 F·4H2 O 
  Marcus Origlieri  
  Tom's quarry, Kapunda, South Australia, Australia 
  
           
 
  Miserite R060095 
  K1.5-x (Ca,Y,REE)5 [Si6 O15 ][Si2 O7 ](OH,F)2 ·yH2 O 
  University of Arizona Mineral Museum 10141 
  Magnet Cove, Garland County, Arkansas, USA 
  
           
 
  Miserite R060393 
  K1.5-x (Ca,Y,REE)5 [Si6 O15 ][Si2 O7 ](OH,F)2 ·yH2 O 
  Michael Scott S100086 
  Wilson Springs, Garland County, Arkansas, USA 
  
           
 
  Mitridatite R060367 
  Ca2 Fe3+ 3 O2 (PO4 )3 ·3H2 O 
  Michael Scott S100211 
  Palermo #1 mine, North Groton, Grafton County, New Hampshire, USA 
  
           
 
  Mixite R070503 
  Cu6 Bi(AsO4 )3 (OH)6 ·3H2 O 
  Bob Jenkins  
  Hilarion mine, near Kamariza, Lavrion District, Greece 
  
           
 
  Moissanite R061083 
  SiC 
  Los Alamos National Labs  
  Synthetic 
  
           
 
  Moissanite R110106 
  SiC 
  Gemological Institute of America 10-12-2010-11 
  Synthetic 
  
           
 
  Moissanite R150016 
  SiC 
  Rob Lavinsky  
  China 
  
           
 
  Molybdenite R050209 
  MoS2  
  Lloyd Twaites  
  Boss Mountain mine, Hendrix Lake, British Columbia, Canada 
  
           
 
  Molybdenite R060124 
  MoS2  
  University of Arizona Mineral Museum 11966 
  Crown Point mine, near Chelan, Washington, USA 
  
           
 
  Molybdenum R100216 
  Mo 
  Mike Carducci, Climax Molybdenum Technology Center  
  Mining concentrate 
  
           
 
  Molybdite R100217 
  MoO3  
  Mike Carducci, Climax Molybdenum Technology Center  
  Mining concentrate 
  
           
 
  Molybdite R210024 
  MoO3  
  Bob Jenkins  
  Kateřina Coal Mine, Radvanice, Trutnov District, Hradec Králové Region, Czech Republic 
  
           
 
  Molybdofornacite R061057 
  CuPb2 (MoO4 )(AsO4 )(OH) 
  Bob Jenkins  
  Mina Dulcinea, Carreras Pintos, Inca de Oro, Atacama Region, Chile 
  
           
 
  Molybdofornacite R130755 
  CuPb2 (MoO4 )(AsO4 )(OH) 
  Bill Pinch  
  30 level South 110, Tsumeb, Namibia 
  
           
 
  Molybdofornacite R150121 
  CuPb2 (MoO4 )(AsO4 )(OH) 
  Bob Jenkins  
  San Pablo Mine, Inca de Oro, Chañaral Province, Chile 
  
           
 
  Molybdofornacite R150122 
  CuPb2 (MoO4 )(AsO4 )(OH) 
  Bob Jenkins  
  Dulcinea de Llampos Mine, Copiapó Province, Chile 
  
           
 
  Molybdomenite R140388 
  PbSe4+ O3  
  Rock Currier  
  Virgen de Surumi mine, Pakajake Canyon, Chayanta Province, Potosí Department, Bolivia 
  
           
 
  Molybdophyllite R070222 
  Pb8 Mg9 [Si10 O28 (OH)8 O2 (CO3 )3 ]·H2 O 
  Michael Scott S100445 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Monazite-(Ce) R040106 
  Ce(PO4 ) 
  University of Arizona Mineral Museum 5580 
  Angola 
  
           
 
  Monazite-(Ce) X050118 
  Ce(PO4 ) 
  Caltech  
  unknown 
  
           
 
  Monazite-(Ce) R060925 
  Ce(PO4 ) 
  Alfredo Petrov  
  Siglo Veinte mine, Llallagua, Bustillos Province, Potosi Department, Bolivia 
  
           
 
  Monazite-(Ce) R120081 
  Ce(PO4 ) 
  Rudy Bolona  
  Hinman mine, Jefferson County, Colorado, USA 
  
           
 
  Monazite-(Ce) R120146 
  Ce(PO4 ) 
  Ikram Mineralogy  
  Zagi Mountain, Hameed Abad Kafoor Dheri, Peshawar, Khyber Pakhtunkhwa, Pakistan 
  
           
 
  Monazite-(La) R070263 
  La(PO4 ) 
  Michael Scott S105570 
  Bear Lodge, Bear Creek placers, First Choice District (Garnet District), Granite County, Montana, USA 
  
           
 
  Monetite R070259 
  Ca(PO3 OH) 
  Michael Scott S101221 
  Paoha Island, Mono Lake, Mono County, California, USA 
  
           
 
  Montebrasite R040060 
  LiAl(PO4 )(OH) 
  University of Arizona Mineral Museum 5573 
  Oxford County, Maine, USA 
  
           
 
  Montebrasite R040062 
  LiAl(PO4 )(OH) 
  University of Arizona Mineral Museum 8239 
  Hebron, Maine, USA 
  
           
 
  Montebrasite R050500 
  LiAl(PO4 )(OH) 
  California Institute of Technology W-40033 
  Pala, San Diego County, California, USA 
  
           
 
  Montebrasite R060890 
  LiAl(PO4 )(OH) 
  Bob Jenkins  
  Mount Marie, Paris, Maine, USA 
  
           
 
  Monteregianite-(Y) R080109 
  KNa2 YSi8 O19 ·5H2 O 
  William W. Pinch  
  Mont Saint-Hilaire, Quebec, Canada 
  
           
 
  Monteregianite-(Y) R130052 
  KNa2 YSi8 O19 ·5H2 O 
  Don Doell  
  Mont Saint-Hilaire, Rouville RCM, Monteregie, Quebec, Canada 
  
           
 
  Montgomeryite R070631 
  Ca4 MgAl4 (PO4 )6 (OH)4 ·12H2 O 
  Dakota Matrix Minerals  
  Tip Top mine, Custer County, South Dakota, USA 
  
           
 
  Montgomeryite R080094 
  Ca4 MgAl4 (PO4 )6 (OH)4 ·12H2 O 
  Joan Abella i Creus  
  Turó de Montcada, Montcada i Reixac, Barcelona, Catalonia, Spain 
  
           
 
  Montgomeryite R140625 
  Ca4 MgAl4 (PO4 )6 (OH)4 ·12H2 O 
  Rock Currier  
  Near Milgun Station, Meekatharra Shire, Western Australia, Australia 
  
           
 
  Montgomeryite R140664 
  Ca4 MgAl4 (PO4 )6 (OH)4 ·12H2 O 
  Rock Currier  
  Foote Mineral Company mine, Kings Mountain, North Carolina, USA 
  
           
 
  Monticellite R040115 
  CaMg(SiO4 ) 
  University of Arizona Mineral Museum 4337 
  Magnet Cove, Arkansas, USA 
  
           
 
  Monticellite R100106 
  CaMg(SiO4 ) 
  American Museum of Natural History 27907 
  Crestmore, Riverside County, California, USA 
  
           
 
  Monticellite R100107 
  CaMg(SiO4 ) 
  American Museum of Natural History 31975 
  Crestmore, Riverside County, California, USA 
  
           
 
  Monticellite R100108 
  CaMg(SiO4 ) 
  American Museum of Natural History 29740 
  Oka, Deux-montagnes County, Quebec, Canada 
  
           
 
  Montmorillonite R110052 
  (Na,Ca)0.3 (Al,Mg)2 Si4 O10 (OH)2 ·nH2 O 
  Ward's Natural Science Establishment, Inc. No. 11 
  Santa Rita, New Mexico, USA 
  
           
 
  Montmorillonite R110053 
  (Na,Ca)0.3 (Al,Mg)2 Si4 O10 (OH)2 ·nH2 O 
  Ward's Natural Science Establishment, Inc. No. 23 
  Chambers, Arizona, USA 
  
           
 
  Montroseite R060576 
  (V3+ ,Fe2+ ,V4+ )O(OH) 
  Michael Scott S100805 
  Number Mesa 5 mine, Temple Mountain, Emery County, Utah, USA 
  
           
 
  Montroydite R070235 
  HgO 
  Michael Scott S100156 
  Clear Creek claim, southern San Benito County, California, USA 
  
           
 
  Montroydite R140877 
  HgO 
  Tom Loomis  
  Terlingua, Texas, USA 
  
           
 
  Mooreite R060089 
  Mg15 (SO4 )2 (OH)26 ·8H2 O 
  University of Arizona Mineral Museum 9916 
  Sterling Hill, New Jersey, USA 
  
           
 
  Moorhouseite R130745 
  Co(SO4 )·6H2 O 
  Donald Doell  
  Bou Azer, Tazenakht, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco 
  
           
 
  Mopungite R140229 
  NaSb5+ (OH)6  
  Rock Currier  
  Desert Peak, Nevada, USA 
  
           
 
  Mopungite R220042 
  NaSb5+ (OH)6  
  Erica Bittarello  
  Pereta mine, Tuscany, Italy 
  
           
 
  Moraesite R060876 
  Be2 (PO4 )(OH)·4H2 O 
  Bob Jenkins  
  Galileia, Minas Gerais, Brazil 
  
           
 
  Moraesite R070480 
  Be2 (PO4 )(OH)·4H2 O 
  Bob Jenkins  
  Itinga, Minas Gerais, Brazil 
  
           
 
  Mordenite R061118 
  (Na2 ,Ca,K2 )4 (Al8 Si40 )O96 ·28H2 O 
  Michael Scott S103493 
  Chipman's Brook, Nova Scotia, Canada 
  
           
 
  Mordenite R070524 
  (Na2 ,Ca,K2 )4 (Al8 Si40 )O96 ·28H2 O 
  James Shigley  
  Calapooya River, near Dollar, Linn County, Oregon, USA 
  
           
 
  Morinite R070529 
  NaCa2 Al2 (PO4 )2 (OH)F4 ·2H2 O 
  James Shigley  
  Hugo mine, Keystone, Pennington County, South Dakota, USA 
  
           
 
  Mosandrite-(Ce) R100097 
  (Ca3 REE)[(H2 O)2 Ca0.5 ◻0.5 ]Ti(Si2 O7 )2 (OH)2 (H2 O)2  
  Henry Barwood  
  Granite Mountain #2 Quarry, Arkansas, USA 
  
           
 
  Mosesite R180030 
  (Hg2 N)Cl 
  Tom Loomis  
  Terlingua, Brewster Co., Texas, USA 
  
           
 
  Mottramite R050517 
  PbCu(VO4 )(OH) 
  University of Arizona Mineral Museum 10865 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Mottramite R050521 
  PbCu(VO4 )(OH) 
  University of Arizona Mineral Museum 11083 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Mottramite R120112 
  PbCu(VO4 )(OH) 
  Joe Ruiz  
  Copperopolis, Yavapai County, Arizona, USA 
  
           
 
  Motukoreaite R070337 
  Mg6 Al3 (OH)18 [Na(H2 O)6 ](SO4 )2 ·6H2 O 
  Michael Scott S100081 
  Motukorea (Brown's Island), near Auckland, New Zealand 
  
           
 
  Mozartite R070265 
  CaMn3+ (SiO4 )(OH) 
  Michael Scott S106023 
  Wessels mine, Kalahari Manganese Field, South Africa 
  
           
 
  Mozartite R180002 
  CaMn3+ (SiO4 )(OH) 
  Ludi von Bezing  
  N'Chwaning III mine, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Muirite R150098 
  Ba10 Ca2 Mn2+ TiSi10 O30 (OH,Cl,F)10  
  James Shigley  
  Esquire No. 7 mine, Big Creek, Fresno County, California, USA 
  
           
 
  Muirite R120160 
  Ba10 Ca2 Mn2+ TiSi10 O30 (OH,Cl,F)10  
  Donald Doell  
  Gun Claim, MacMillian Pass, Itsy Mts, Watson Lake Mining District, Yukon Territory, Canada 
  
           
 
  Muirite R140248 
  Ba10 Ca2 Mn2+ TiSi10 O30 (OH,Cl,F)10  
  Rock Currier  
  Esquire No. 7 Claim, Big Creek, Fresno County, California, USA 
  
           
 
  Mullite R141101 
  Al4+2x Si2-2x O10-x  (x ≈ 0.4) 
  Ch. and H. Schäfer  
  Caspar quarry, Bellerberg volcano, Mayen, Eifel, Germany 
  
           
 
  Mullite R141103 
  Al4+2x Si2-2x O10-x  (x ≈ 0.4) 
  Ch. and H. Schäfer  
  Weinberg, Nickenich, Eifel, Germany 
  
           
 
  Mullite R150147 
  Al4+2x Si2-2x O10-x  (x ≈ 0.4) 
  Nicolas Bost, Portion of a sample from the Musée de Minéralogie MINES Paristech, Paris, France, #  
  Northwest of Ormsaig, Ross of Mull, Scotland 
  
           
 
  Munakataite R110005 
  Pb2 Cu2 (Se4+ O3 )(SO4 )(OH)4  
  Marcus Origlieri  
  Tonopah-Belmont mine, Maricopa County, Arizona, USA 
  
           
 
  Munakataite R110006 
  Pb2 Cu2 (Se4+ O3 )(SO4 )(OH)4  
  Marcus Origlieri  
  Tonopah-Belmont mine, Maricopa County, Arizona, USA 
  
           
 
  Munakataite R150128 
  Pb2 Cu2 (Se4+ O3 )(SO4 )(OH)4  
  Shields Flynn  
  Tsumeb mine, Tsumeb, Namibia 
  
           
 
  Murdochite R110122 
  Cu12 Pb2 O15 Cl2  
  Rob Lavinsky  
  Mapimi, Mexico 
  
           
 
  Murdochite R180001 
  Cu12 Pb2 O15 Cl2  
  UA Mineral Museum 5279 
  Mammoth mine, Tiger, Pinal County, Arizona, USA 
  
           
 
  Murmanite R060886 
  Na2 Ti2 Na2 Ti2 (Si2 O7 )2 O4 (H2 O)4  
  Bob Jenkins  
  Lovozero Massif, Kola Peninsula, Russia 
  
           
 
  Murmanite R110202 
  Na2 Ti2 Na2 Ti2 (Si2 O7 )2 O4 (H2 O)4  
  Donald Doell  
  Kvanefjeld Mt., Kuannersuit plateau, Ilimaussaq complex, Narsaq, Kitaa Province, Greenland 
  
           
 
  Murphyite R210011 
  Pb(Te6+ O4 ) 
  Bruce Murphy  
  Grand Central mine, Tombstone, Arizona, USA 
  
           
 
  Muscovite R040104 
  KAl2 (Si3 Al)O10 (OH)2  
  University of Arizona Mineral Museum 8520 
  unknown 
  
           
 
  Muscovite R040108 
  KAl2 (Si3 Al)O10 (OH)2  
  University of Arizona Mineral Museum 9528 
  USSR 
  
           
 
  Muscovite R040124 
  KAl2 (Si3 Al)O10 (OH)2  
  Bob Downs  
  Garnet Hill, Pennsylvania, USA 
  
           
 
  Muscovite R050080 
  KAl2 (Si3 Al)O10 (OH)2  
  Rock Currier  
  Brazil 
  
           
 
  Muscovite R050188 
  KAl2 (Si3 Al)O10 (OH)2  
  Dave Bunk Minerals  
  Sapinero, near Blue Mesa Reservoir, Gunnison County, Colorado, USA 
  
           
 
  Muscovite R050198 
  KAl2 (Si3 Al)O10 (OH)2  
  University of Arizona Mineral Museum 8433 
  California, USA 
  
           
 
  Muscovite X050119 
  KAl2 (Si3 Al)O10 (OH)2  
  Caltech  
  Blue Lady mine, Chihuahua Valley, San Diego County, California, USA 
  
           
 
  Muscovite R060182 
  KAl2 (Si3 Al)O10 (OH)2  
  Lloyd Twaites  
  Reliance mine, Mica Mountain, Tete Juane Cache, British Columbia, Canada 
  
           
 
  Muscovite R060266 
  KAl2 (Si3 Al)O10 (OH)2  
  Michael Scott S100304 
  Bolet, Vasterbotten, Sweden 
  
           
 
  Muscovite R061120 
  KAl2 (Si3 Al)O10 (OH)2  
  Michael Scott S103197 
  Aracuai City,  Minas Gerais, Brazil 
  
           
 
  Muscovite R100147 
  KAl2 (Si3 Al)O10 (OH)2  
  Mineralogical Museum, Harvard University 103128 
  Blue Mountain Quarry, Methuen Township, Petersborough County, Ontario, Canada 
  
           
 
  Mushistonite R060153 
  Cu2+ Sn4+ (OH)6  
  Marcus Origlieri  
  Ping Wu, Xuebaoding, Sichuan, China 
  
           
 
  Nabokoite R070062 
  Cu7 Te4+ O4 (SO4 )5 ·KCl 
  Michael Scott S105083 
  Tolbachik Volcano, Kamchatka, Russia 
  
           
 
  Nacrite R100066 
  Al2 Si2 O5 (OH)4  
  Bob Jenkins  
  Geisberg, Schweighausen, Black Forest, Germany 
  
           
 
  Nadorite R050523 
  PbSb3+ O2 Cl 
  University of Arizona Mineral Museum 3045 
  Constantine, Algeria 
  
           
 
  Nadorite R050525 
  PbSb3+ O2 Cl 
  University of Arizona Mineral Museum 3046 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Nagelschmidtite R070032 
  Ca7 (SiO4 )2 (PO4 )2  
  Michael Scott S105080 
  Hatrurium Formation, Negev Desert, southern Israel 
  
           
 
  Nagyágite R060723 
  [Pb3 (Pb,Sb)3 S6 ](Au,Te)3  
  Bob Jenkins  
  Nagyag, Romania 
  
           
 
  Nagyágite R060865 
  [Pb3 (Pb,Sb)3 S6 ](Au,Te)3  
  Michael Scott S100867 
  Nagyog, Transylvania 
  
           
 
  Nahcolite R070237 
  NaH(CO3 ) 
  Michael Scott S105046 
  Bureau of Mines Oil Shale Mine, East Rifle Creek area, Garfield County, Colorado, USA 
  
           
 
  Nakauriite R060842 
  Cu8 (SO4 )4 (CO3 )(OH)6 ·48H2 O 
  Bob Jenkins  
  Gabbs, Nevada, USA 
  
           
 
  Nakauriite R060976 
  Cu8 (SO4 )4 (CO3 )(OH)6 ·48H2 O 
  Michael Scott S101440 
  Nakauri mine, Aichi Prefecture, Japan 
  
           
 
  Nalivkinite R070219 
  Li2 NaFe2+ 7 Ti2 (Si4 O12 )2 O2 (OH)4 F(H2 O)2  
  Michael Scott S100429 
  Dara-i-Pioz (Darai-Piez) Glacier, Alayskiy (Alai; Alay) Range, South Tien-Shan Mts, Garm region, Districts of the Republican Subordination, Tajikistan 
  
           
 
  Namansilite R070006 
  NaMn3+ Si2 O6  
  Marcus Origlieri  
  Hoskins mine, near Grenfell, New South Wales, Australia 
  
           
 
  Nambulite R060616 
  LiMn2+ 4 Si5 O14 (OH) 
  Michael Scott S100824 
  Kombat mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia 
  
           
 
  Namibite R060782 
  Cu(BiO)2 (VO4 )(OH) 
  Michael Scott S101297 
  Khorixas, Darmaraland, Namibia 
  
           
 
  Namibite R100182 
  Cu(BiO)2 (VO4 )(OH) 
  Joe Ruiz  
  Copperopolis, Yavapai County, Arizona, USA 
  
           
 
  Namuwite R130173 
  Zn4 (SO4 )(OH)6 ·4H2 O 
  Donald Doell (small piece), Rock Currier (large piece)  
  Trentini mine, Schio, Vincenza, Italy 
  
           
 
  Narsarsukite R060203 
  Na2 (Ti,Fe3+ )Si4 (O,F)11  
  Royal Ontario Museum M41218 
  Poudrette Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Narsarsukite R060217 
  Na2 (Ti,Fe3+ )Si4 (O,F)11  
  Royal Ontario Museum M31995 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Natanite R100016 
  Fe2+ Sn4+ (OH)6  
  William Pinch  
  Level 10 silicate body, El Potosi mine, Santa Eulalia, Chihuahua, Mexico 
  
           
 
  Natroalunite R060406 
  NaAl3 (SO4 )2 (OH)6  
  American Museum of Natural History 28347 
  Sugar Loaf Butte, Arizona, USA 
  
           
 
  Natroboltwoodite R060880 
  Na(UO2 )(SiO3 OH)·H2 O 
  Michael Scott S100960 
  Alluaiv Mountain, Lovozero, Russia 
  
           
 
  Natrochalcite R050152 
  NaCu2 (SO4 )2 (OH)·H2 O 
  Jim McGlasson  
  Fortuna mine, Baquedano, Chile 
  
           
 
  Natrodufrénite R070599 
  NaFe2+ Fe3+ 5 (PO4 )4 (OH)6 ·2H2 O 
  James Shigley  
  Hout Bay, Cape of Good Hope Province, South Africa 
  
           
 
  Natrojarosite R050471 
  NaFe3+ 3 (SO4 )2 (OH)6  
  Marcus Origlieri  
  Bristol mine, Pioche, Lincoln County, Nevada, USA 
  
           
 
  Natrojarosite R050289 
  NaFe3+ 3 (SO4 )2 (OH)6  
  Marcus Origlieri  
  Bristol mine, Pioche, Lincoln County, Nevada, USA 
  
           
 
  Natrojarosite R080062 
  NaFe3+ 3 (SO4 )2 (OH)6  
  Luiz Menezes  
  Lavra  do Tomé, Galiléja, Minas Gerais, Brazil 
  
           
 
  Natrolemoynite R060958 
  Na4 Zr2 Si10 O26 ·9H2 O 
  Michael Scott S101452 
  Mont St. Hilaire, Quebec, Canada 
  
           
 
  Natrolite R040102 
  Na2 (Si3 Al2 )O10 ·2H2 O 
  University of Arizona Mineral Museum 12862 
  Ross' Quarry, Northland, New Zealand 
  
           
 
  Natrolite R040112 
  Na2 (Si3 Al2 )O10 ·2H2 O 
  National Museums of Canada 061565 
  Ice River Alkaline Complex, Moose Creek Valley, Yoho National Park, British Columbia, Canada 
  
           
 
  Natrolite R040022 
  Na2 (Si3 Al2 )O10 ·2H2 O 
  University of Arizona Mineral Museum 2108 
  Patterson, Passaic County, New Jersey, USA 
  
           
 
  Natrolite R050589 
  Na2 (Si3 Al2 )O10 ·2H2 O 
  Bob Downs  
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Natrolite R060561 
  Na2 (Si3 Al2 )O10 ·2H2 O 
  Gemological Institute of America 13 
  California, USA 
  
           
 
  Natrolite R120124 
  Na2 (Si3 Al2 )O10 ·2H2 O 
  Marcus Origlieri  
  Sagasen, Telemark, Norway 
  
           
 
  Natropalermoite R130092 
  Na2 SrAl4 (PO4 )4 (OH)4  
  Benjamin N. Schumer  
  Palermo No. 1 mine, Groton, New Hampshire, USA 
  
           
 
  Natrosilite R060855 
  Na2 Si2 O5  
  Michael Scott S100987 
  Kedgkverpahk Mountain, Kovoeko Massif, Kola, Russia 
  
           
 
  Naujakasite R060975 
  Na6 Fe2+ Al4 Si8 O26  
  Michael Scott S101487 
  Lille Elv Plateau, Kangerdluarssuk, Ilimaussaq intrusion, Greenland 
  
           
 
  Naumannite R070505 
  Ag2 Se 
  James Shigley  
  DeLamar mine, Silver City District, Owyhee County, Idaho, USA 
  
           
 
  Nchwaningite R140275 
  Mn2 SiO3 (OH)2 ·H2 O 
  Rock Currier  
  N'Chwaning mine, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Nealite R060774 
  Pb4 Fe(AsO3 )2 Cl4 ·2H2 O 
  Michael Scott S101105 
  Oxygon, Laurion, Greece 
  
           
 
  Neighborite R080108 
  NaMgF3  
  William W. Pinch  
  Mont Saint-Hilaire, Quebec, Canada 
  
           
 
  Nekoite R070475 
  Ca3 Si6 O15 ·7H2 O 
  Bob Jenkins  
  LaCotita mine, Inca de Oro, Chile 
  
           
 
  Nelenite R120148 
  Mn2+ 16 As3+ 3 Si12 O36 (OH)17  
  James Zigras  
  Huanggang mine, Inner Mongolia, China 
  
           
 
  Nelenite R120150 
  Mn2+ 16 As3+ 3 Si12 O36 (OH)17  
  Rock Currier  
  Trotter mine, Franklin, New Jersey, USA 
  
           
 
  Neltnerite R060726 
  CaMn3+ 6 O8 (SiO4 ) 
  Bob Jenkins  
  Manganese Creek, Keweenaw County, Michigan, USA 
  
           
 
  Nenadkevichite R070610 
  (Na,◻)8 Nb4 (Si4 O12 )2 (O,OH)4 ·8H2 O 
  James Shigley  
  Desourdy Quarry, Mount Saint Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Nepheline R040025 
  Na3 K(Al4 Si4 O16 ) 
  University of Arizona Mineral Museum 6304 
  Bancroft, Ontario, Canada 
  
           
 
  Nepheline R060581 
  Na3 K(Al4 Si4 O16 ) 
  Michael Scott S100810 
  Capo di Bova, Via Appia Antica, Rome, Italy 
  
           
 
  Nepheline R090059 
  Na3 K(Al4 Si4 O16 ) 
  Dudley Blauwet  
  Lajuar Madan, Sar-e-Sang District, Badakhshan, Afghanistan 
  
           
 
  Népouite R120106 
  Ni3 Si2 O5 (OH)4  
  Bill & Sandy Bowman  
  Nepoui mine, New Caledonia 
  
           
 
  Neptunite R060628 
  KNa2 LiFe2+ 2 Ti2 Si8 O24  
  Gemological Institute of America 02 
  California, USA 
  
           
 
  Neptunite R060746 
  KNa2 LiFe2+ 2 Ti2 Si8 O24  
  California Institute of Technology 12952 
  San Benito Mountains, San Benito County, California, USA 
  
           
 
  Nesquehonite R050639 
  Mg(CO3 )·3H2 O 
  University of Arizona Mineral Museum 2903 
  Nesquehoning, Pennsylvania, USA 
  
           
 
  Nesquehonite R070764 
  Mg(CO3 )·3H2 O 
  Hexiong Yang  
  Tucson, Arizona, USA from the interior of a rotting saguaro cactus 
  
           
 
  Nevadaite R060775 
  (Cu2+ ,◻,Al,V3+ )6 Al8 (PO4 )8 F8 (OH)2 ·22H2 O 
  Michael Scott S101111 
  Gold Quarry mine, Eueka County, Nevada, USA 
  
           
 
  Newberyite R050513 
  Mg(PO3 OH)·3H2 O 
  American Museum of Natural History 41793 
  Australia 
  
           
 
  Neyite R100116 
  Ag2 Cu6 Pb25 Bi26 S68  
  Robert Woodside  
  Southwest end of pit, British Columbia Molybdenum mine, Kitsault, British Columbia, Canada 
  
           
 
  Nickelalumite R060573 
  NiAl4 (SO4 )(OH)12 (H2 O)3  
  Michael Scott S100802 
  Jomde mine, San Juan County, Utah, USA 
  
           
 
  Nickelhexahydrite R060596 
  Ni(SO4 )·6H2 O 
  Michael Scott S100797 
  Gorner Glacier, Monte Rosa Massif, Zermatt, Matt Valley, Wallis, Switzerland 
  
           
 
  Nickeline R060121 
  NiAs 
  University of Arizona Mineral Museum 3636 
  Yellowknife, Great Slave Lake, Canada 
  
           
 
  Nickeline R060906 
  NiAs 
  Royal Ontario Museum M8518 
  Moose Horn mine, Timiskaming district, Ontario, Canada 
  
           
 
  Nickelphosphide R070134 
  Ni3 P 
  Michael Scott S105082 
  northwest Africa 1054 meteorite, Morocco 
  
           
 
  Nickelskutterudite R061007 
  (Ni,Co,Fe)As3  
  Michael Scott S101444 
  Hasserode, Harz, Germany 
  
           
 
  Nickelskutterudite R100194 
  (Ni,Co,Fe)As3  
  University of Arizona Mineral Museum 1197 
  Schneeberg, Saxony, Germany 
  
           
 
  Nickelskutterudite R100196 
  (Ni,Co,Fe)As3  
  Ron Gibbs  
  Alhambra mine, Burro Mountains, Grant County, New Mexico, USA 
  
           
 
  Nickeltalmessite R090023 
  Ca2 Ni(AsO4 )2 ·2H2 O 
  Wiiliam W. Pinch  
  Ait Ahmane, Bou Azzer, Morocco 
  
           
 
  Nierite R120128 
  Si3 N4  
  UBE America Inc.  
  Synthetic 
  
           
 
  Nifontovite R060685 
  Ca3 [BO(OH)2 ]6 ·2H2 O 
  Michael Scott S100791 
  Fuka mine, Okayama Prefecture, Japan 
  
           
 
  Nifontovite R080138 
  Ca3 [BO(OH)2 ]6 ·2H2 O 
  Marcus Origlieri  
  Charcas, San Luis Potosi, Mexico 
  
           
 
  Niksergievite R060894 
  Ba2 Al3 (Si,Al)4 O10 (CO3 )(OH)6 ·nH2 O 
  Michael Scott S100967 
  Tekeli mine, Karatau, Kazakhstan 
  
           
 
  Nioboaeschynite-(Ce) R110056 
  (Ce,Ca)(Nb,Ti)2 (O,OH)6  
  Don Doell  
  Upper Fir carbonatite, Kamloops mining division, British Columbia, Canada 
  
           
 
  Nioboaeschynite-(Y) R110140 
  (Y,REE,Ca,Th,Fe)(Nb,Ti,Ta)2 (O,OH)6  
  Donald M Doell  
  Quadeville, Lyndoch Township, Renfrew County, Ontario, Canada 
  
           
 
  Niobophyllite R110048 
  K2 NaFe2+ 7 (Nb,Ti)2 (Si4 O12 )2 O2 (OH)4 (O,F) 
  Donald M Doell  
  Mount Malosa, Zomba District, Malawi 
  
           
 
  Niocalite R070150 
  Ca7 Nb(Si2 O7 )2 O3 F 
  James Shigley  
  MolyCorp Trench, Oka, Deux-Montagnes County, Quebec, Canada 
  
           
 
  Nissonite R100068 
  Cu2 Mg2 (PO4 )2 (OH)2 ·5H2 O 
  Bob Jenkins  
  Boss mine, Goodsprings district, Clark County, Nevada, USA 
  
           
 
  Niter R090001 
  K(NO3 ) 
  James Shigley  
  Searcy County, Arkansas, USA 
  
           
 
  Nitratine R050394 
  Na(NO3 ) 
  Mark Candee  
  Tarapaca, Chile 
  
           
 
  Nitratine R050658 
  Na(NO3 ) 
  University of Arizona Mineral Museum 2492 
  Peru 
  
           
 
  Nitrobarite R060622 
  Ba(NO3 )2  
  Michael Scott S100831 
  Hüttenberg, Kärnten, Austria 
  
           
 
  Nitrocalcite R120047 
  Ca(NO3 )2 ·4H2 O 
  Bob Jenkins  
  Christmas mine, Gila County, Arizona, USA 
  
           
 
  Nobleite R060847 
  CaB6 O9 (OH)2 ·3H2 O 
  Michael Scott S100900 
  Hard Scramble claim, Death Valley USA 
  
           
 
  Nontronite X050120 
  Na0.3 Fe3+ 2 (Si,Al)4 O10 (OH)2 ·nH2 O 
  CIT H-33a  
  Garfield, near Spokane, Washington 
  
           
 
  Nontronite X050121 
  Na0.3 Fe3+ 2 (Si,Al)4 O10 (OH)2 ·nH2 O 
  CIT H-33b  
  Mineto, near Spokane, Washington, USA 
  
           
 
  Nontronite R070286 
  Na0.3 Fe3+ 2 (Si,Al)4 O10 (OH)2 ·nH2 O 
  Michael Scott S103144 
  Andreasberg, Sachsen, Germany 
  
           
 
  Norbergite R050280 
  Mg3 (SiO4 )F2  
  Marcus Origlieri  
  Sterling mine, Ogdensburg, New Jersey, USA 
  
           
 
  Nordenskiöldine R061079 
  CaSn(BO3 )2  
  Lloyd Twaites LT 1432 
  MW Claim, Cassiar Mountains, Yukon, Canada 
  
           
 
  Nordenskiöldine R130017 
  CaSn(BO3 )2  
  Robert Lavinsky  
  Brooks Mountain, Seward Peninsula, Nome Borough, Alaska, USA 
  
           
 
  Nordite-(Ce) R130530 
  Na3 SrCeZnSi6 O17  
  Rock Currier  
  Karnasurt Mt., Lovosero Massif, Kola Peninsula, Russia 
  
           
 
  Nordite-(La) R140310 
  Na3 SrLaZnSi6 O17  
  Rock Currier  
  Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Nordstrandite R050592 
  Al(OH)3  
  Marcus Origlieri  
  Cerro Sapo, Cochabamba Department, Bolivia 
  
           
 
  Nordstrandite R130093 
  Al(OH)3  
  Donald Doell  
  Mont St. Hilaire, Quebec, Canada 
  
           
 
  Normandite R120066 
  Na2 Ca2 (Mn,Fe)2 (Ti,Nb,Zr)2 (Si2 O7 )2 O2 F2  
  Donald Doell  
  Partomchorr Mt., Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Norrishite R060368 
  KLiMn3+ 2 Si4 O10 O2  
  Michael Scott S100262 
  Hoskins mine, Grenfell, New South Wales, Australia 
  
           
 
  Norrishite R130089 
  KLiMn3+ 2 Si4 O10 O2  
  Marcus Origlieri  
  Wessels mine, Kalahari Manganese Field, South Africa 
  
           
 
  Northupite R060156 
  Na3 Mg(CO3 )2 Cl 
  Marcus Origlieri  
  Searles Lake, San Bernardino County, California, USA 
  
           
 
  Nosean R050422 
  Na8 (Si6 Al6 )O24 (SO4 )·H2 O 
  Marcus Origlieri  
  Laacher See, Mendig Area, Eifel Mountains, Rhineland-Palatinate, Germany 
  
           
 
  Nuffieldite R100113 
  Cu1.4 Pb2.4 Bi2.4 Sb0.2 S7  
  Robert Woodside  
  British Columbia Molybdenum mine, Kitsault, British Columbia, Canada 
  
           
 
  Nuffieldite R110088 
  Cu1.4 Pb2.4 Bi2.4 Sb0.2 S7  
  Mark N. Feinglos   
  Crabtree quarry, Wake County, North Carolina, USA 
  
           
 
  Obradovicite-KCu R100015 
  [K2 (H2 O)17 Cu(H2 O)6 ][Mo8 As2 Fe3+ 3 O34 (OH)3 ] 
  Colorado School of Mines 86.496 
  Chuquicamata, Chile 
  
           
 
  Obradovicite-KCu R110015 
  [K2 (H2 O)17 Cu(H2 O)6 ][Mo8 As2 Fe3+ 3 O34 (OH)3 ] 
  William W Pinch  
  Chuquicamata, Chile 
  
           
 
  Offretite R060767 
  KCaMg(Si13 Al5 )O36 ·15H2 O 
  Michael Scott S101247 
  Vinarice, Kladno, Czech Republic 
  
           
 
  Okenite R070602 
  Ca10 Si18 O46 ·18H2 O 
  James Shigley  
  Poona, Maharashtra, India 
  
           
 
  Olenite R061133 
  NaAl3 Al6 (Si6 O18 )(BO3 )3 O3 (OH) 
  Michael Scott S104229 
  Uvil'dy, Urals, Siberia, Russia 
  
           
 
  Olenite R120012 
  NaAl3 Al6 (Si6 O18 )(BO3 )3 O3 (OH) 
  Marcus Origlieri  
  Curiglia, Val Veddasca, Varese, Italy 
  
           
 
  Oligoclase X050122 
  (Na,Ca)(Si,Al)4 O8  
  G.R. Rossman 680 
  Kenya 
  
           
 
  Olivenite R040181 
  Cu2 (AsO4 )(OH) 
  University of Arizona Mineral Museum 3142 
  Majuba Hill, Pershing County, Nevada, USA 
  
           
 
  Olivenite R050532 
  Cu2 (AsO4 )(OH) 
  University of Arizona Mineral Museum 4809 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Olmiite R050144 
  CaMn[SiO3 (OH)](OH) 
  Rock Currier  
  N'Chwaning II mine, Kuruman, South Africa 
  
           
 
  Olmiite R050177 
  CaMn[SiO3 (OH)](OH) 
  Marcus Origlieri  
  N'Chwaning II mine, Kuruman, South Africa 
  
           
 
  Olsacherite R140741 
  Pb2 (Se6+ O4 )(SO4 ) 
  Rock Currier  
  Virgen De Surumi mine, Pakajake Canyon, Chayanta Province, Potosí Department, Bolivia 
  
           
 
  Olsacherite R150099 
  Pb2 (Se6+ O4 )(SO4 ) 
  Thomas A. Loomis  
  El Dragón mine, Antonio Quijarro Province, Potosí Department, Bolivia 
  
           
 
  Olshanskyite R150028 
  Ca2 [B3 O3 (OH)6 ]OH·3H2 O 
  Renato and Adriana Pagano  
  Shijangshan mine, Jipeng, Chifeng, Inner Mongolia, China 
  
           
 
  Olshanskyite R170043 
  Ca2 [B3 O3 (OH)6 ]OH·3H2 O 
  Mineral Zone  
  Shijiangshan mine, Linxi, Chifeng, Inner Mongolia, China 
  
           
 
  Omphacite R061129 
  (Ca,Na)(Mg,Fe,Al)Si2 O6  
  Michael Scott S104252 
  near Occidental, Sonoma County, California, USA 
  
           
 
  Omphacite R110038 
  (Ca,Na)(Mg,Fe,Al)Si2 O6  
  William W Pinch  
  Kefalos Hill, Skotini Bay, Galissas, Syros Island, Aegean Sea, Greece 
  
           
 
  Ondrušite R141029 
  CaCu4 (AsO4 )2 (AsO3 OH)2 ·10H2 O 
  William W. Pinch  
  Svornost mine, Jáchymov, Krušné Hory Mts, Karlovy Vary, Bohemia, Czech Republic 
  
           
 
  Oneillite R110184 
  Na15 Ca3 Mn3 Fe3 Zr3 Nb(Si25 O73 )(O,OH,H2 O)3 (OH,Cl)2  
  Donald Doell  
  Poudrette quarry, Mont Saint-Hilaire, Quebec, Canada 
  
           
 
  Opal R060652 
  SiO2 ·n H2 O 
  Gemological Institute of America 23128 
  Ethiopia 
  
           
 
  Opal R060653 
  SiO2 ·n H2 O 
  Gemological Institute of America 4021A 
  Brazil 
  
           
 
  Opal R060651 
  SiO2 ·n H2 O 
  Gemological Institute of America 4570 
  Mexico 
  
           
 
  Opal R060650 
  SiO2 ·n H2 O 
  Gemological Institute of America 6029 
  Idaho, USA 
  
           
 
  Opal X070002 
  SiO2 ·n H2 O 
  Taka Yamanaka  
  Synthetic 
  
           
 
  Opal X070003 
  SiO2 ·n H2 O 
  Taka Yamanaka  
  Synthetic 
  
           
 
  Opal R070627 
  SiO2 ·n H2 O 
  www.multicolour.com  
  Madagascar 
  
           
 
  Opal X080017 
  SiO2 ·n H2 O 
  Gemological Institute of America 14329 
  Synthetic 
  
           
 
  Opal X080018 
  SiO2 ·n H2 O 
  Gemological Institute of America 21794 
  Synthetic 
  
           
 
  Opal R100149 
  SiO2 ·n H2 O 
  William W. Pinch  
  Sri Lanka 
  
           
 
  Opal R110107 
  SiO2 ·n H2 O 
  Gemological Institute of America 10-12-2010-12 
  Synthetic 
  
           
 
  Orickite R070739 
  CuFeS2 ·nH2 O 
  Michael Scott S104242 
  Abundancia vein, Emma Louise Gold mine, El Guanaco, Taltal Province, Antofagasta, Chile 
  
           
 
  Orientite R060936 
  Ca8 Mn3+ 10 (SiO4 )3 (Si3 O10 )3 (OH)10 ·4H2 O 
  Michael Scott S101287 
  Cerchiara mine, Liguria, Italy 
  
           
 
  Orlandiite R100122 
  Pb3 Cl4 (Se4+ O3 )·H2 O 
  William W. Pinch  
  Baccu Locci mine, Villaputen, Sardinia 
  
           
 
  Orpiment R060105 
  As2 S3  
  University of Arizona Mineral Museum 14058 
  Mercur, Utah, USA 
  
           
 
  Orpiment R060116 
  As2 S3  
  University of Arizona Mineral Museum 11828 
  Quiruvilca, Peru 
  
           
 
  Orthoclase R040055 
  K(AlSi3 O8 ) 
  Bob Downs  
  Madagascar 
  
           
 
  Orthoclase X050123 
  K(AlSi3 O8 ) 
  G.R. Rossman 146 
  Itrongahy, Madagascar 
  
           
 
  Orthoclase R050185 
  K(AlSi3 O8 ) 
  Bob Downs  
  Silica Bell Property, west of Hope, British Columbia, Canada 
  
           
 
  Orthoclase X050124 
  K(AlSi3 O8 ) 
  RD Shannon, 62047- 48 
  Madagascar 
  
           
 
  Orthoclase X050125 
  K(AlSi3 O8 ) 
  G.R. Rossman 78 
  Madagascar 
  
           
 
  Orthoclase X050126 
  K(AlSi3 O8 ) 
  G.R. Rossman 26 
  Madagascar 
  
           
 
  Orthoclase R050367 
  K(AlSi3 O8 ) 
  Marcus Origlieri  
  Pazunseik, Mandalay Division, Burma 
  
           
 
  Orthoclase R060077 
  K(AlSi3 O8 ) 
  Marcus Origlieri  
  pegmatite near Minh Tien, 15 km south of Luc Yen, Vietnam 
  
           
 
  Orthoclase R070001 
  K(AlSi3 O8 ) 
  Michael Scott S102869 
  Lengenbach Quarry, Binnental, Valais, Switzerland 
  
           
 
  Orthoclase R150014 
  K(AlSi3 O8 ) 
  Jennifer Schmidt (LDP12-02)  
  Locality: Cathedral Peak granite, near Toulumne meadows, Yosemite National Park, California, USA 
  
           
 
  Orthogersdorffite R070342 
  NiAsS 
  Michael Scott S104664 
  Leichtenberg, Fichtelgebirge, Franconia, Bavaria, Germany 
  
           
 
  Orthominasragrite R060974 
  V4+ O(SO4 )·5H2 O 
  Michael Scott S101336 
  Temple Mountain, Emery County, Utah, USA 
  
           
 
  Orthoserpierite R050292 
  CaCu4 (SO4 )2 (OH)6 ·3H2 O 
  Peter Megaw  
  Platosa mine, Bermijillo, Durango, Mexico 
  
           
 
  Orthoserpierite R060793 
  CaCu4 (SO4 )2 (OH)6 ·3H2 O 
  Bob Jenkins  
  Mi Fiel Rosita mine, Bolsico District, Copiapo, Chile 
  
           
 
  Orthoserpierite R060977 
  CaCu4 (SO4 )2 (OH)6 ·3H2 O 
  Michael Scott S101453 
  Copper Creek, Galuiro Mountains, Pinal County, Arizona, USA 
  
           
 
  Osarizawaite R060395 
  Pb(Al2 Cu2+ )(SO4 )2 (OH)6  
  Michael Scott S100083 
  Silver Hill mine, Pima County, Arizona, USA 
  
           
 
  Osarizawaite R060401 
  Pb(Al2 Cu2+ )(SO4 )2 (OH)6  
  American Museum of Natural History 34395 
  Akita Prefecture, Japan 
  
           
 
  Osarizawaite R060399 
  Pb(Al2 Cu2+ )(SO4 )2 (OH)6  
  American Museum of Natural History 34650 
  Bustillos Province, Bolivia 
  
           
 
  Osmium R060823 
  Os 
  Michael Scott S101193 
  Nevjansk, Ural Mountains, USSR 
  
           
 
  Osmium R080088 
  Os 
  Michael Scott S104204 
  Goodnews Bay, Bethel Borough, Alaska, USA 
  
           
 
  Osumilite R060385 
  KFe2 (Al5 Si10 )O30  
  Michael Scott S100097 
  Funtanafigu Quarry, Monte Arci, near Oristano, Sardinia 
  
           
 
  Osumilite-(Mg) R141100 
  KMg2 Al3 (Al2 Si10 )O30  
  Ch. and H. Schäfer  
  Weinberg, Nickenich, Eifel, Germany 
  
           
 
  Osumilite-(Mg) R141102 
  KMg2 Al3 (Al2 Si10 )O30  
  Ch. and H. Schäfer  
  Caspar quarry, Bellerberg volcano, Mayen, Eifel, Germany 
  
           
 
  Oswaldpeetersite R060529 
  (UO2 )2 (CO3 )(OH)2 ·4H2 O 
  Michael Scott S100783 
  Jomac mine, San Juan County, Utah, USA 
  
           
 
  Otavite R050677 
  Cd(CO3 ) 
  University of Arizona Mineral Museum 5891 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Ottensite R070115 
  Na3 (Sb2 O3 )3 (SbS3 )·3H2 O 
  Michael Scott S100424 
  Qinglong District, Qinglong, Qianxi'n Autonomous Prefecture, Guizhou, China 
  
           
 
  Ottensite R220043 
  Na3 (Sb2 O3 )3 (SbS3 )·3H2 O 
  Erica Bittarello  
  Pereta mine, Tuscany, Italy 
  
           
 
  Ottoite R130126 
  Pb2 TeO5  
  Bob Jenkins  
  Grand Central mine, Tombstone, Cochise County, Arizona 
  
           
 
  Ottrélite R060832 
  Mn2+ Al2 O(SiO4 )(OH)2  
  Michael Scott S101006 
  Ottre, Belgium 
  
           
 
  Otwayite R060384 
  Ni2 (CO3 )(OH)2 ·H2 O 
  Michael Scott S100163 
  Otway Prospect, Nullagine Region, Western Australia, Australia 
  
           
 
  Overite R100024 
  CaMgAl(PO4 )2 (OH)·4H2 O 
  Terry Szenics  
  Clay Canyon deposit, near Fairfield, Utah County, Utah, USA 
  
           
 
  Owyheeite R060396 
  Ag3 Pb10 Sb11 S28  
  Michael Scott S100102 
  Banner mine, Boise County, Idaho, USA 
  
           
 
  Owyheeite R070543 
  Ag3 Pb10 Sb11 S28  
  James Shigley  
  Covada, Colville Indian Reservation, Ferry County, Washington, USA 
  
           
 
  Oxy-dravite R141094 
  Na(Al2 Mg)(Al5 Mg)(Si6 O18 )(BO3 )3 (OH)3 O 
  Ch. and H. Schäfer  
  Strada Vilante, San Martino al Cimino, Vico volcano, Viterbo, Latium, Italy 
  
           
 
  Oxy-schorl R140339 
  Na(Fe2+ 2 Al)Al6 (Si6 O18 )(BO3 )3 (OH)3 O 
  Bob Jenkins  
  Přibyslavice, Bohemia, Czech Republic 
  
           
 
  Oxycalcioroméite R200015 
  Ca2 Sb5+ 2 O7  
  Markus and Stefan Wiklund #00005 
  Langban mine, Filipstad, Varmland, Sweden 
  
           
 
  Oxyphlogopite R141078 
  K(Mg,Ti,Fe)3 [(Si,Al)4 O10 ](O,F)2  
  Ch. and H. Schäfer  
  Graulay, Hillesheim, Eifel, Rhineland-Palatinate, Germany 
  
           
 
  Oxyphlogopite R141079 
  K(Mg,Ti,Fe)3 [(Si,Al)4 O10 ](O,F)2  
  Ch. and H. Schäfer  
  Nickenicher Sattel, Nickenich, Eifel, Germany 
  
           
 
  Pääkkönenite R060709 
  Sb2 AsS2  
  Bob Jenkins  
  Caiwa mine, Danfeng, Shangluo Prefecture, Shaanxi, Northwest Region, China 
  
           
 
  Pääkkönenite R090073 
  Sb2 AsS2  
  William W. Pinch  
  Damingshan Mountain area, Defeng, Shanglin County, Guangxi Province, China 
  
           
 
  Pabstite R060386 
  BaSnSi3 O9  
  Michael Scott S100328 
  Kalkar Quarry, Santa Cruz County, California, USA 
  
           
 
  Pachnolite R070596 
  NaCaAlF6 ·H2 O 
  James Shigley  
  Ivigtut, Arsuk, Kitaa Province, Greenland 
  
           
 
  Painite X050128 
  CaZrAl9 O15 (BO3 ) 
  G.R. Rossman 417 
  Ohngaing Village, Mogok, Burma 
  
           
 
  Painite R060957 
  CaZrAl9 O15 (BO3 ) 
  Marcus Origlieri  
  Ohngaing Village, Mogok, Burma 
  
           
 
  Painite R100164 
  CaZrAl9 O15 (BO3 ) 
  William W. Pinch  
  Mogok, Burma 
  
           
 
  Palenzonaite R060455 
  (NaCa2 )Mn2+ 2 (VO4 )3  
  Michael Scott S100207 
  Molinello mine, Val Graveglia, Genova Province, Liguria, Italy 
  
           
 
  Palermoite R120141 
  Li2 SrAl4 (PO4 )4 (OH)4  
  Benjamin N. Schumer  
  Palermo No. 1 mine, Groton, New Hampshire, USA 
  
           
 
  Palermoite R130090 
  Li2 SrAl4 (PO4 )4 (OH)4  
  William W. Pinch and Don Doell  
  Palermo mine, North Groton, New Hampshire, USA 
  
           
 
  Palladium R070339 
  Pd 
  Michael Scott S105927 
  Gongo Soco mine, Quadrilátero Ferrífero, Minas Gerais; Southeast, Brazil 
  
           
 
  Papagoite R040182 
  CaCuAlSi2 O6 (OH)3  
  University of Arizona Mineral Museum 10049 
  Ajo, Pima County, Arizona, USA 
  
           
 
  Parabrandtite R220028 
  Ca2 Mn2+ (AsO4 )2 ·2H2 O 
  Bob Jenkins  
  Cobriza mine, Sacramento District, Copiapó Province, Chile 
  
           
 
  Parabutlerite R060754 
  Fe3+ (SO4 )(OH)·2H2 O 
  Michael Scott S101228 
  Chuquicamata, Chile 
  
           
 
  Parabutlerite R070547 
  Fe3+ (SO4 )(OH)·2H2 O 
  James Shigley  
  Chuquicamata mine, Calama, El Loa Province, Antofogasta, Chile 
  
           
 
  Parabutlerite R110161 
  Fe3+ (SO4 )(OH)·2H2 O 
  George Rossman, California Institute of Technology GRR242, CIT8170 
  Saghand, near Yazd, Iran 
  
           
 
  Paracetamol D120007 
  David Blake  
  Synthetic from Sigma 
  
           
 
  Paracoquimbite R050351 
  Fe3+ 4 (SO4 )6 (H2 O)12 ·6H2 O 
  California Institute of Technology W-19151 
  Cyprus 
  
           
 
  Paracoquimbite R140266 
  Fe3+ 4 (SO4 )6 (H2 O)12 ·6H2 O 
  Ken Roberts  
  Liaoning province, China 
  
           
 
  Paradamite R050582 
  Zn2 (AsO4 )(OH) 
  University of Arizona Mineral Museum 13752 
  Ojuela mine, Mapimi, Durango, Mexico 
  
           
 
  Parafransoletite R130056 
  Ca3 Be2 (PO4 )2 (PO3 OH)2 ·4H2 O 
  Thomas A. Loomis TL-19 
  Tip Top mine, Custer, South Dakota, USA 
  
           
 
  Paragonite R050447 
  NaAl2 (Si3 Al)O10 (OH)2  
  Marcus Origlieri  
  Switzerland 
  
           
 
  Parahopeite R050463 
  Zn3 (PO4 )2 ·4H2 O 
  University of Arizona Mineral Museum 13695 
  Broken Hill mine, Kabwe, Zambia 
  
           
 
  Parakeldyshite R120048 
  Na2 ZrSi2 O7  
  Donald Doell  
  Alluaiv Mt., Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Paralaurionite R050271 
  PbCl(OH) 
  Marcus Origlieri  
  Tiger, Pinal County, Arizona, USA 
  
           
 
  Paralaurionite R100178 
  PbCl(OH) 
  Bob Jenkins  
  Sierra Gorda, Antofagasta Province, Chile 
  
           
 
  Paramontroseite R050391 
  VO2  
  University of Arizona Mineral Museum 1743 
  J.J. mine, Buell Canyon District, Montrose County, Colorado, USA 
  
           
 
  Parapierrotite R060397 
  TlSb5 S8  
  Michael Scott S100098 
  Lookout Pass Area, southeast Tooele County, Utah, USA 
  
           
 
  Pararealgar R140447 
  As4 S4  
  Rock Currier  
  Getchell mine, Adam Peak, Potosi District, Osgood Mts, Humboldt County, Nevada, USA 
  
           
 
  Pararealgar R150123 
  As4 S4  
  Michael Scott S106210  
  U.S. Borax mine, Kramer Borate deposit, Boron, California, USA 
  
           
 
  Pararobertsite R120119 
  Ca2 Mn3+ 3 (PO4 )3 O2 ·3H2 O 
  Thomas A. Loomis. Anthony R. Kampf provided a few crystals (Kampf 2000).  
  Tip Top mine, Custer, South Dakota, USA 
  
           
 
  Pararsenolamprite R060772 
  As 
  Michael Scott S101097 
  Mukuno mine, Ouita, Japan 
  
           
 
  Parascholzite R060806 
  CaZn2 (PO4 )2 ·2H2 O 
  Michael Scott S100832 
  Tip Top mine, Fourmile, Custer District, Custer County, South Dakota, USA 
  
           
 
  Parasibirskite R110009 
  Ca2 B2 O5 ·H2 O 
  Jin-Xiao Mi  
  Synthetic 
  
           
 
  Parasymplesite R150137 
  Fe2+ 3 (AsO4 )2 ·8H2 O 
  Jeremie Pfister  
  Kiura Mine, Oita Pref., Kyushu Island, Japan 
  
           
 
  Paratacamite R160009 
  Cu3 (Cu,Zn)Cl2 (OH)6  
  Robert Jenkins  
  Torrecillas mine, Salar Grande, Iquique Provence, Chile 
  
           
 
  Paratooite-(La) R110066 
  (La,Ca,Na,Sr)6 Cu(CO3 )8  
  Renato & Adriana Pagano  
  Paratoo mine, Yunta, South Australia 
  
           
 
  Parauranophane R060962 
  Ca(UO2 )2 (SiO3 OH)2 ·5H2 O 
  Michael Scott S101399 
  Teofilo Otoni, Minas Gerais, Brazil 
  
           
 
  Parauranophane R120075 
  Ca(UO2 )2 (SiO3 OH)2 ·5H2 O 
  Donald Doell  
  Capoeira pegmatite,  Parelhas, Borborema mineral province, Rio Grande do Norte, Brazil 
  
           
 
  Paravauxite R040179 
  Fe2+ Al2 (PO4 )2 (OH)2 ·8H2 O 
  University of Arizona Mineral Museum 11446 
  Mina Siglo XX, Llallagua, Bolivia 
  
           
 
  Paravauxite R050314 
  Fe2+ Al2 (PO4 )2 (OH)2 ·8H2 O 
  Eugene Schlepp  
  Siglo XX mine, Llallagua, Bolivia 
  
           
 
  Paravauxite R050468 
  Fe2+ Al2 (PO4 )2 (OH)2 ·8H2 O 
  University of Arizona Mineral Museum 8180 
  Llallagua, Bustillos Province, Potosi, Bolivia 
  
           
 
  Paravauxite R050577 
  Fe2+ Al2 (PO4 )2 (OH)2 ·8H2 O 
  University of Arizona Mineral Museum 2414 
  Llallagua, Bolivia 
  
           
 
  Paravinogradovite R060834 
  (Na,◻)2 (Ti4+ ,Fe3+ )4 (Si2 O6 )2 (Si3 AlO10 )(OH)4 ·H2 O 
  Michael Scott S101009 
  Kukisvumchorr Mountain, Khibiny Massif, Kola Peninsula, Russia 
  
           
 
  Pargasite R050321 
  NaCa2 (Mg4 Al)(Si6 Al2 )O22 (OH)2  
  Frank Hawthorne  
  Soper River, near Kimmirut, Baffin Island, Nunavut, Canada 
  
           
 
  Pargasite R060072 
  NaCa2 (Mg4 Al)(Si6 Al2 )O22 (OH)2  
  Marcus Origlieri  
  Pein Pyit, Mogok, Burma 
  
           
 
  Pargasite R060632 
  NaCa2 (Mg4 Al)(Si6 Al2 )O22 (OH)2  
  Gemological Institute of America 08 
  unknown 
  
           
 
  Pargasite R130006 
  NaCa2 (Mg4 Al)(Si6 Al2 )O22 (OH)2  
  Don Doell  
  Bear Lake diggings (Gibson Road Western occurrence), Gooderham, Monmouth Township, Haliburton County, Ontario, Canada 
  
           
 
  Parisite-(Ce) R050308 
  CaCe2 (CO3 )3 F2  
  Eugene Schlepp  
  Muzo, Bogota, Colombia 
  
           
 
  Parisite-(Ce) R120061 
  CaCe2 (CO3 )3 F2  
  Donald Doell  
  Snowbird mine, Fish Creek, Alberton, Mineral County, Montana, USA 
  
           
 
  Parisite-(Ce) R120065 
  CaCe2 (CO3 )3 F2  
  Donald Doell  
  East Kemptville Tin mine, East Kemptville, Argyle, Yarmouth Co., Nova Scotia, Canada 
  
           
 
  Parisite-(La) R130687 
  CaLa2 (CO3 )3 F2  
  Luiz Menezes  
  Novo Horizonte, Bahia, Brazil 
  
           
 
  Parkerite R070056 
  Ni3 (Bi,Pb)2 S2  
  Michael Scott S105052 
  Otjabrsky deposit, Norilsk ore district, Russia 
  
           
 
  Parsonsite R060154 
  Pb2 (UO2 )(PO4 )2  
  Marcus Origlieri  
  Faye, near Grury, France 
  
           
 
  Parthéite R130077 
  Ca2 (Si4 Al4 )O15 (OH)2 ·4H2 O 
  Biljana Lazic  
  Denezhkin Kamen, Urals Region, Russia 
  
           
 
  Pascoite R060574 
  Ca3 V5+ 10 O28 ·17H2 O 
  Michael Scott S100803 
  Arrowhead Claim, Slick Rock, San Miguel County, Colorado, USA 
  
           
 
  Patrónite R070737 
  VS4  
  Michael Scott S103225 
  Ragra Mine (Minasragra), Junín, Cerro de Pasco, Alcides Carrión Province, Pasco Department, Peru 
  
           
 
  Paulingite-Ca R120023 
  (Ca,K,Na,Ba,◻)10 (Si,Al)42 O84 ·34H2 O 
  Dr. Jürgen Wachsmuth  
  Vinařická hora hill, Kladno, Central Bohemian Region, Czech Republic 
  
           
 
  Paulingite-K R070604 
  (K,Ca,Na,Ba,◻)10 (Si,Al)42 O84 ·34H2 O 
  James Shigley  
  Squaw Creek, Riggins, Idaho County, Idaho, USA 
  
           
 
  Paulingite-Na R060457 
  Michael Scott S100116 
  near Ritter, Grant County, Oregon, USA 
  
           
 
  Pavonite R070566 
  AgBi3 S5  
  James Shigley  
  near Charcas, San Luis Potosi, Mexico 
  
           
 
  Pearceite R050310 
  [Ag9 CuS4 ][(Ag,Cu)6 (As,Sb)2 S7 ] 
  Eugene Schlepp  
  Conception del Oro, Zacatecas, Mexico 
  
           
 
  Pearceite R050611 
  [Ag9 CuS4 ][(Ag,Cu)6 (As,Sb)2 S7 ] 
  Marcus Origlieri  
  Imiter mine, Morocco 
  
           
 
  Pearceite R060689 
  [Ag9 CuS4 ][(Ag,Cu)6 (As,Sb)2 S7 ] 
  Michael Scott S101152 
  Clara mine, Rankach Valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany 
  
           
 
  Pearceite R090041 
  [Ag9 CuS4 ][(Ag,Cu)6 (As,Sb)2 S7 ] 
  Tony Jones  
  Uchucchacua mine, Oyon Province, Lima Department, Peru 
  
           
 
  Pectolite R050396 
  NaCa2 Si3 O8 (OH) 
  Marcus Origlieri  
  Jeffrey Quarry, Asbestos, Quebec, Canada 
  
           
 
  Pectolite R060101 
  NaCa2 Si3 O8 (OH) 
  University of Arizona Mineral Museum 6748 
  West Patterson, New Jersey, USA 
  
           
 
  Pectolite R070607 
  NaCa2 Si3 O8 (OH) 
  Michael Scott S104425 
  Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville County, Québec, Canada 
  
           
 
  Pectolite R120024 
  NaCa2 Si3 O8 (OH) 
  Dr. Jürgen Wachsmuth   
  Eveslogchorr Mt., Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Russia 
  
           
 
  Pellyite R150078 
  Ba2 CaFe2+ 2 Si6 O17  
  Gunnar Farber  
  Gun Claim, Yukon Territory, Canada 
  
           
 
  Penfieldite R050163 
  Pb2 Cl3 (OH) 
  Jim McGlasson  
  Margarita mine, Sierra Gorda, Antofagasta, Chile 
  
           
 
  Penikisite R060160 
  BaMg2 Al2 (PO4 )3 (OH)3  
  Mark Mauthner 3568 
  16 miles north of the Hess River, Mayo Mining District, Yukon Territory, Canada 
  
           
 
  Penikisite R060270 
  BaMg2 Al2 (PO4 )3 (OH)3  
  Michael Scott S100141 
  16 miles north of Hess River, Yukon Territory, Canada 
  
           
 
  Penkvilksite R130027 
  Na2 TiSi4 O11 ·2H2 O 
  Don Doell DD 13-01 
  Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Pentagonite R120136 
  CaV4+ OSi4 O10 ·4H2 O 
  Marcus Origlieri  
  Wagholi, Poona, Maharashtra State, India 
  
           
 
  Pentahydrite R060990 
  Mg(SO4 )·5H2 O 
  Michael Scott S101469 
  Strassfurt, Prussia 
  
           
 
  Pentahydrite R070069 
  Mg(SO4 )·5H2 O 
  James Shigley  
  Vulcano Island, Eolie Islands, Messina Province, Sicily, Italy 
  
           
 
  Pentahydrite R100022 
  Mg(SO4 )·5H2 O 
  Michael Scott  S105209 
  Leopoldshall, Stassfurt, Stassfurt Deposit, Saxony-Anhalt, Germany 
  
           
 
  Pentlandite R060144 
  (Ni,Fe)9 S8  
  University of Arizona Mineral Museum 5840 
  Worthington, Ontario, Canada 
  
           
 
  Peprossiite-(Ce) R110144 
  (Ce,La)(Al3 O)2/3 B4 O10  
  Donald M Doell   
  Capranica, Vico Lake, Viterbo Province, Latium, Italy 
  
           
 
  Peretaite R060459 
  CaSb3+ 4 O4 (SO4 )2 (OH)2 ·2H2 O 
  Michael Scott S100298 
  Pereta mine, Grosseto, Tuscany, Italy 
  
           
 
  Perhamite R110142 
  Ca3 Al7.7 Si3 P4 O23.5 (OH)14.1 ·8H2 O 
  Donald Doell  
  Emmons quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA 
  
           
 
  Perite R060766 
  PbBiO2 Cl 
  Michael Scott S101246 
  Blue Bell mine, San Bernardino, California, USA 
  
           
 
  Perovskite R050456 
  CaTiO3  
  University of Arizona Mineral Museum 2370 
  Magnet Cove, Arkansas, USA 
  
           
 
  Perovskite R060345 
  CaTiO3  
  Michael Scott S100197 
  Latrappe, Oka District, Quebec, Canada 
  
           
 
  Perovskite R110178 
  CaTiO3  
  Donald Doell  
  St Lawrence Columbium mine, Oka, Laurentides, Quebec, Canada 
  
           
 
  Perovskite R120121 
  CaTiO3  
  Marcus Origlieri  
  Fuka mine, Bicchu-cho, Okayama Prefecture, Japan 
  
           
 
  Perovskite R130037 
  CaTiO3  
  Don Doell DD 13-09 
  Bond zone (Quebec Columbium Ltd. and Columbium Mining Products properties), Oka complex, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada 
  
           
 
  Perovskite R160074 
  CaTiO3  
  UAMM  
  Zlatoust, Southern Ural Mountains, Chelyabinsk, Russia 
  
           
 
  Perroudite R060699 
  Ag4 Hg5 S5 (I,Br)2 Cl2  
  Bob Jenkins  
  Copiapo, Chile 
  
           
 
  Perroudite R070484 
  Ag4 Hg5 S5 (I,Br)2 Cl2  
  Michael Scott S102891 
  Cap Garonne Mine, Pradet, Var, Provence-Alpes-Côte d'Azur, France 
  
           
 
  Perryite R070052 
  (Ni,Fe)8 (Si,P)3  
  Michael Scott S105049 
  Mount Egerton meteorite, Gaskoyne River, Western Australia, Australia 
  
           
 
  Pertlikite R110209 
  K2 (Fe2+ ,Mg)2 (Mg,Fe3+ )4 Fe3+ 2 Al(SO4 )12 ·18H2 O 
  Gunnar Farber  
  Mina Alcaparrosa, Cerritos Bayos, Calama, Atacama, II Region, Chile 
  
           
 
  Petalite R040100 
  LiAlSi4 O10  
  Bob Downs  
  Brazil 
  
           
 
  Petalite R060365 
  LiAlSi4 O10  
  Herb Obodda 015 
  Paprok, near Kamdesh, Nuristan, Kunar Province, Afghanistan 
  
           
 
  Petarasite R060223 
  Na5 Zr2 Si6 O18 (Cl,OH)·2H2 O 
  Royal Ontario Museum M49492 
  Demix Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Petarasite R060220 
  Na5 Zr2 Si6 O18 (Cl,OH)·2H2 O 
  Rock Currier  
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Petedunnite R070207 
  CaZnSi2 O6  
  William W. Pinch  
  Franklin, New Jersey, USA 
  
           
 
  Petermegawite R210008 
  Al6 (Se4+ O3 )3 [SiO3 (OH)](OH)9 ·10H2 O 
  Bob Jenkins  
  El Dragon mine, Potosi, Bolivia 
  
           
 
  Petersenite-(Ce) R120035 
  Na4 Ce2 (CO3 )5  
  Donald Doell  
  Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada 
  
           
 
  Petersite-(Ce) R050541 
  Cu6 Ce(PO4 )3 (OH)6 ·3H2 O 
  UAMM 19801 
  Cherry Creek district, Yavapai County, Arizona, USA 
  
           
 
  Petersite-(Y) R060538 
  Cu6 Y(PO4 )3 (OH)6 ·3H2 O 
  Michael Scott S100204 
  Laurel Hill, Secaucus, New Jersey, USA 
  
           
 
  Petterdite R110019 
  PbCr2 (CO3 )2 (OH)4 ·H2 O 
  Bob Jenkins  
  Red Lead mine, Dundas mineral field, Zeehan district, Tasmania, Australia 
  
           
 
  Petzite R070254 
  Ag3 AuTe2  
  Michael Scott S105690 
  Red Jacket mine, Baker County, Oregon, USA 
  
           
 
  Pezzottaite R060583 
  CsLiBe2 Al2 Si6 O18  
  Michael Scott S100812 
  Ambatovita, Mandrosonoro area, Fianarantsoa Province, Madagascar 
  
           
 
  Pharmacoalumite R060411 
  KAl4 (AsO4 )3 (OH)4 ·6.5H2 O 
  Bob Jenkins  
  Maria Josefa, Rodalquilar, Almeria Province, Spain 
  
           
 
  Pharmacolite R050537 
  Ca(AsO3 OH)·2H2 O 
  University of Arizona Mineral Museum 16150 
  Bohemia Region, Svornost mine, Jachymov, Czech Republic 
  
           
 
  Pharmacolite R070517 
  Ca(AsO3 OH)·2H2 O 
  James Shigley  
  Getchell mine, Adam Peak, Potosi District, Humboldt County, Nevada, USA 
  
           
 
  Pharmacosiderite R050574 
  KFe3+ 4 (AsO4 )3 (OH)4 ·6-7H2 O 
  University of Arizona Mineral Museum 5028 
  Cornwall, England 
  
           
 
  Pharmacosiderite R070587 
  KFe3+ 4 (AsO4 )3 (OH)4 ·6-7H2 O 
  James Shigley  
  Mylar mine, Majuba Hill, Antelope District, Pershing County, Nevada, USA 
  
           
 
  Phenakite R040046 
  Be2 (SiO4 ) 
  University of Arizona Mineral Museum 15677 
  San Miguel de Piracicaba, Minas Gerais, Brazil 
  
           
 
  Phenakite R040132 
  Be2 (SiO4 ) 
  University of Arizona Mineral Museum 4380 
  Kragerø, Telemark, Norway 
  
           
 
  Phenakite R050137 
  Be2 (SiO4 ) 
  Dave Bunk Minerals  
  Mount Antero area, Chaffee County, Colorado, USA 
  
           
 
  Phenakite X050129 
  Be2 (SiO4 ) 
  RD Shannon 49022- 34 
  Anjomabonoia, Madagascar 
  
           
 
  Philipsbornite R060683 
  PbAl3 (AsO4 )(AsO3 OH)(OH)6  
  Bob Jenkins  
  Gold Hill, Nevada, USA 
  
           
 
  Philipsbornite R070065 
  PbAl3 (AsO4 )(AsO3 OH)(OH)6  
  Bob Jenkins  
  Hat Yai Province, Thailand 
  
           
 
  Philipsbornite R150127 
  PbAl3 (AsO4 )(AsO3 OH)(OH)6  
  Shields Flynn  
  Tsumeb mine, Tsumeb, Namibia 
  
           
 
  Philipsburgite R061036 
  Cu5 Zn(AsO4 )(PO4 )(OH)6 ·H2 O 
  Michael Scott S101463 
  Black Pine mine, Granite county, Montana, USA 
  
           
 
  Phillipsite-Ca R050078 
  Ca3 (Si10 Al6 )O32 ·12H2 O 
  Rock Currier  
  Grant County, Oregon, USA 
  
           
 
  Phillipsite-Ca R060161 
  Ca3 (Si10 Al6 )O32 ·12H2 O 
  Marcus Origlieri  
  Sasback on Rhine, Germany 
  
           
 
  Phillipsite-K R140774 
  K6 (Si10 Al6 )O32 ·12H2 O 
  Ch. and H. Schäfer  
  Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy 
  
           
 
  Phillipsite-K R141095 
  K6 (Si10 Al6 )O32 ·12H2 O 
  Ch. and H. Schäfer  
  Capo di Bove, Alban hills, Latium, Italy 
  
           
 
  Phillipsite-Na R061094 
  Na6 (Si10 Al6 )O32 ·12H2 O 
  Michael Scott S102422 
  Faraglione dei Ciccopi, Aci Castello, Catania Province, Sicily, Italy 
  
           
 
  Phillipsite-Na R070271 
  Na6 (Si10 Al6 )O32 ·12H2 O 
  Michael Scott S105963 
  Etsumi, Ogi, Sado Island, Niigata Prefecture, Chubu Region, Honshu Island, Japan 
  
           
 
  Phlogopite R040144 
  KMg3 (AlSi3 O10 )(OH)2  
  University of Arizona Mineral Museum 8644 
  Brinton's Quarry, Chester County, Pennsylvania, USA 
  
           
 
  Phlogopite R050068 
  KMg3 (AlSi3 O10 )(OH)2  
  Rock Currier  
  S.W. Jasper County, Georgia, USA 
  
           
 
  Phlogopite R050485 
  KMg3 (AlSi3 O10 )(OH)2  
  California Institute of Technology W-20935 
  Libby, Montana, USA 
  
           
 
  Phlogopite R070330 
  KMg3 (AlSi3 O10 )(OH)2  
  Mark Mauthner 3479 
  Little Chief mine, Whitehorse, Yukon Territory, Canada 
  
           
 
  Phoenicochroite R050164 
  Pb2 O(CrO4 ) 
  Jim McGlasson  
  Chapacase mine, Sierra Cerrillias District, Tocopilla, Chile 
  
           
 
  Phoenicochroite R050587 
  Pb2 O(CrO4 ) 
  Marcus Origlieri  
  Potter Cramer mine, Maricopa County, Arizona, USA 
  
           
 
  Phosgenite R050640 
  Pb2 (CO3 )Cl2  
  University of Arizona Mineral Museum 2007 
  Monte Poni, Sardinia, Italy 
  
           
 
  Phosphoferrite R090065 
  Fe2+ 3 (PO4 )2 ·3H2 O 
  Royal Ontario Museum  M38123 
  Germany 
  
           
 
  Phosphoferrite R130690 
  Fe2+ 3 (PO4 )2 ·3H2 O 
  Rob Lavinsky  
  Hagendorf, Waidhaus, Vohenstrauß, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany 
  
           
 
  Phosphohedyphane R060733 
  Ca2 Pb3 (PO4 )3 Cl 
  Bob Jenkins  
  Capitana mine, Copiapo, Chile 
  
           
 
  Phosphohedyphane R110037 
  Ca2 Pb3 (PO4 )3 Cl 
  Brent Thorne  
  Blue Bell claims, Baker, San Bernardino County, California, USA 
  
           
 
  Phosphophyllite R050224 
  Zn2 Fe2+ (PO4 )2 ·4H2 O 
  Marcus Origlieri  
  Unificada mine, Cerro Rico, Potosi, Bolivia 
  
           
 
  Phosphosiderite R050459 
  Fe3+ (PO4 )·2H2 O 
  University of Arizona Mineral Museum 9779 
  Bull Moose mine, Custer, South Dakota, USA 
  
           
 
  Phosphosiderite R070519 
  Fe3+ (PO4 )·2H2 O 
  James Shigley  
  Stewart mine, Pala, San Diego County, California, USA 
  
           
 
  Phosphosiderite R110090 
  Fe3+ (PO4 )·2H2 O 
  Dave Owen  
  Courtland-Gleesan area, Cochise County, Arizona, USA 
  
           
 
  Phosphuranylite R050470 
  KCa(H3 O)3 (UO2 )7 (PO4 )4 O4 ·8H2 O 
  University of Arizona Mineral Museum 8692 
  La Faye mine, Grury District, Burgundy Region, France 
  
           
 
  Phosphuranylite R110155 
  KCa(H3 O)3 (UO2 )7 (PO4 )4 O4 ·8H2 O 
  Luiz Menezes 2LI911 
  Folgosinho, Portugal 
  
           
 
  Phosphuranylite R130108 
  KCa(H3 O)3 (UO2 )7 (PO4 )4 O4 ·8H2 O 
  Don Doell  
  Shinkolobwe mine, Katanga, Zaire 
  
           
 
  Phurcalite R050534 
  Ca2 (UO2 )3 O2 (PO4 )2 ·7H2 O 
  University of Arizona Mineral Museum 16115 
  Posey mine, Red Canyon, San Juan County, Utah, USA 
  
           
 
  Phurcalite R060698 
  Ca2 (UO2 )3 O2 (PO4 )2 ·7H2 O 
  Bob Jenkins  
  Los Azules, Copiapo, Chile 
  
           
 
  Pickeringite R060108 
  MgAl2 (SO4 )4 ·22H2 O 
  University of Arizona Mineral Museum 4989 
  Tucumcari, New Mexico, USA 
  
           
 
  Picropharmacolite R050560 
  Ca4 Mg(AsO3 OH)2 (AsO4 )2 ·11H2 O 
  University of Arizona Mineral Museum 12813 
  Riechelsdorf, Saxony, Germany 
  
           
 
  Piemontite R060905 
  Ca2 (Al2 Mn3+ )[Si2 O7 ][SiO4 ]O(OH) 
  Michael Scott S100161 
  Praborna mine, Aosta Valley, St. Marcel, Italy 
  
           
 
  Piemontite R061119 
  Ca2 (Al2 Mn3+ )[Si2 O7 ][SiO4 ]O(OH) 
  Michael Scott S103609 
  Muramatsu mine, Kinkai, Nagasaki, Japan 
  
           
 
  Piemontite R150096 
  Ca2 (Al2 Mn3+ )[Si2 O7 ][SiO4 ]O(OH) 
  Marcus Origlieri  
  Ash Canyon, Huachuca Mountains, Cochise County, Arizona, USA 
  
           
 
  Pigeonite R200002 
  (Mg,Fe,Ca)2 Si2 O6  
  James Shigley  
  Belmont Quarry, near Leesburg, Loudoun County, Virginia, USA 
  
           
 
  Pinakiolite R050636 
  (Mg,Mn)2 (Mn3+ ,Sb5+ )O2 (BO3 ) 
  University of Arizona Mineral Museum 2497 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Pirquitasite R061016 
  Ag2 ZnSnS4  
  Michael Scott (small piece), Bob Jenkins (large piece) S101278 
  Pirquitas, Jujuy Province, Argentina 
  
           
 
  Pirssonite R070192 
  Na2 Ca(CO3 )2 ·2H2 O 
  Renato and Adriana Pagano  
  Natrum, Sahara, Egypt 
  
           
 
  Pitiglianoite R130097 
  K2 Na6 (Si6 Al6 )O24 (SO4 )·2H2 O 
  Donald Doell  
  Mt Cavalluccio, Campagnano di Roma, Sacrofano Caldera, Rome Province, Latium, Italy 
  
           
 
  Piypite R130048 
  K4 Cu4 O2 (SO4 )4 ·(Na,Cu)Cl 
  Don Doell  
  Second scoria cone, Northern Breakthrough (North Breach), Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia 
  
           
 
  Plancheite R070233 
  Cu8 (Si4 O11 )2 (OH)4 ·H2 O 
  Michael Scott S105426 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Plancheite R190037 
  Cu8 (Si4 O11 )2 (OH)4 ·H2 O 
  Rukin Jelks UAMM17415 
  Kambove, Katanga, Democratic Republic of the Congo 
  
           
 
  Planerite R080123 
  Al6 (PO4 )2 (PO3 OH)2 (OH)8 ·4H2 O 
  Joan Abella i Creus  
  Bruguers, Gavá, Barcelona, Catalonia, Spain 
  
           
 
  Platinum R060750 
  Pt 
  Michael Scott S101233 
  Bear Creek, near Nyak, Alaska, USA 
  
           
 
  Platinum R110126 
  Pt 
  Mark N Feinglos  
  Tambiano River, Riampinang, Kalimantan Selatan Province, Borneo Island, Indonesia 
  
           
 
  Plattnerite R070605 
  PbO2  
  James Shigley  
  Ojuela mine, Mapimi, Durango, Mexico 
  
           
 
  Plattnerite R080019 
  PbO2  
  William W. Pinch  
  Snake Pit, lower Mex-Tex mine, Hansonburg District, Socorro County, New Mexico, USA 
  
           
 
  Plombièrite R070162 
  Ca4 Si6 O16 (OH)2 (H2 O)2 ·(Ca·5H2 O) 
  James Shigley  
  Crestmore, Riverside County, California, USA 
  
           
 
  Plumbogummite R050458 
  PbAl3 (PO4 )(PO3 OH)(OH)6  
  University of Arizona Mineral Museum 3040 
  Cornwall, England 
  
           
 
  Plumbogummite R060684 
  PbAl3 (PO4 )(PO3 OH)(OH)6  
  Bob Jenkins  
  unknown 
  
           
 
  Plumbogummite R070700 
  PbAl3 (PO4 )(PO3 OH)(OH)6  
  Ken Roberts  
  Yangshuo, Guangxi Autonomous Region, China 
  
           
 
  Plumbonacrite R160063 
  Pb5 (CO3 )3 O(OH)2  
  University of Arizona Mineral Museum 4031 
  Mammoth mine, Tiger, Pinal County, Arizona, USA 
  
           
 
  Plumbonacrite R130567 
  Pb5 (CO3 )3 O(OH)2  
  Rick Turner  
  Merehead Quarry, Cranmore, Somerset, England, UK 
  
           
 
  Plumbophyllite R130081 
  Pb2 Si4 O10 ·H2 O 
  Anthony R. Kampf and George R. Rossman  
  Blue Bell claims, about 11 km west of Baker, San Bernardino County, California, USA 
  
           
 
  Plumbotsumite R110157 
  Pb5 Si4 O8 (OH)10  
  Donald M Doell  
  Blue Bell claims, Baker, San Bernardino County, California, USA 
  
           
 
  Poldervaartite R080080 
  Ca(Ca,Mn)(SiO3 OH)(OH) 
  William W. Pinch  
  Wessels mine, Hotazel, Kalahari manganese field, Cape Province, South Africa 
  
           
 
  Polkanovite R070076 
  Rh12 As7  
  Michael Scott S105051 
  Miass River, Urals, Russia 
  
           
 
  Pollucite R050344 
  Cs(Si2 Al)O6 ·nH2 O 
  George Rossman 2314 
  Konar Province, Afghanistan 
  
           
 
  Pollucite R050345 
  Cs(Si2 Al)O6 ·nH2 O 
  California Institute of Technology W-20317 
  Bernic Lake, Manitoba, Canada 
  
           
 
  Polybasite R061052 
  [Ag9 CuS4 ][(Ag,Cu)6 (Sb,As)2 S7 ] 
  Royal Ontario Museum M52499 
  Elsa, Yukon Territory, Canada 
  
           
 
  Polydymite R050609 
  Ni2+ Ni3+ 2 S4  
  University of Arizona Mineral Museum  
  Dry Nickel mine, Bindura, South Rhodesia, Rhodesia 
  
           
 
  Polydymite R070377 
  Ni2+ Ni3+ 2 S4  
  James Shigley  
  Shamva mine, Mashonaland Central, Zimbabwe 
  
           
 
  Polyhalite R070209 
  K2 Ca2 Mg(SO4 )4 ·2H2 O 
  Michael Scott S105883 
  West Texas, Texas, USA 
  
           
 
  Polylithionite R050132 
  KLi2 AlSi4 O10 F2  
  Dave Bunk Minerals  
  Brown Derby mine, Ohio City, Gunnison County, Colorado, USA 
  
           
 
  Polylithionite R060172 
  KLi2 AlSi4 O10 F2  
  Guy Ouellet  
  Mont Saint-Hilaire, Quebec, Canada 
  
           
 
  Polylithionite R060215 
  KLi2 AlSi4 O10 F2  
  Royal Ontario Museum M49441 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Polylithionite R060225 
  KLi2 AlSi4 O10 F2  
  Royal Ontario Museum M52556 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Polystyrene R150076 
  Thermo Electron Corporation  
  Synthetic 
  
           
 
  Portlandite R070210 
  Ca(OH)2  
  Michael Scott S105352 
  N'Chwaning II mine, Kalahari Manganese Field, northern Cape Province, South Africa 
  
           
 
  Posnjakite R110172 
  Cu4 (SO4 )(OH)6 ·H2 O 
  George Stevens  
  Yellow Rose of Texas mine, Animas District, San Juan County, Colorado, USA 
  
           
 
  Potassic-arfvedsonite R050516 
  KNa2 (Fe2+ 4 Fe3+ )Si8 O22 (OH)2  
  Frank Hawthorne  
  Red Wine complex, Labrador, Newfoundland, Canada 
  
           
 
  Potassic-fluoro-pargasite R110065 
  KCa2 (Mg4 Al)Si6 Al2 O22 F2  
  Renato & Adriana Pagano  
  Tranomaro, Fort Dauphine area, Madagascar 
  
           
 
  Potassic-fluoro-richterite R060034 
  K(NaCa)Mg5 Si8 O22 F2  
  University of Arizona Mineral Museum 8624 
  Walgidee, Western Australia, Australia 
  
           
 
  Potassic-magnesio-fluoro-arfvedsonite R060915 
  KNa2 (Mg4 Fe3+ )Si8 O22 F2  
  Royal Ontario Museum M52453 
  Kipawa, Quebec, Canada 
  
           
 
  Potassium Dihydrogen Phosphate R120165 
  KH2 PO4  
  Eric Van Valkenburg  
  Synthetic, by Alvin Van Valkenburg at the National Bureau of Standards 
  
           
 
  Poudretteite R080009 
  KNa2 (B3 Si12 )O30  
  William W. Pinch  
  Pyant-gyi mine, near Pein-pyit, Mogok, Sagaing Region, Mandalay Division, Burma 
  
           
 
  Poughite R080026 
  Fe3+ 2 (Te4+ O3 )2 (SO4 )·3H2 O 
  William W. Pinch  
  Mina Candelaria, Moctezuma, Sonora, Mexico 
  
           
 
  Powellite R050355 
  Ca(MoO4 ) 
  George Rossman 2204 
  Nasik, India 
  
           
 
  Powellite R100180 
  Ca(MoO4 ) 
  Joe Ruiz  
  Carlota mine, Pinto Creek, Gila, Arizona, USA 
  
           
 
  Prehnite R040047 
  Ca2 Al(Si3 Al)O10 (OH)2  
  University of Arizona Mineral Museum 13048 
  Chloride, Mohave County, Arizona, USA 
  
           
 
  Prehnite R050055 
  Ca2 Al(Si3 Al)O10 (OH)2  
  Rock Currier  
  Diako, Sandare District, Mali 
  
           
 
  Prehnite R050410 
  Ca2 Al(Si3 Al)O10 (OH)2  
  John Lucking  
  Topel, Namibia 
  
           
 
  Prehnite R130046 
  Ca2 Al(Si3 Al)O10 (OH)2  
  Don Doell  
  Eagle Head (Deep Cove), Cape Breton County, Nova Scotia, Canada 
  
           
 
  Preisingerite R060803 
  Bi3 O(AsO4 )2 (OH) 
  Michael Scott S100110 
  Josef mine, Moldava, Czech. Republic 
  
           
 
  Preobrazhenskite R090040 
  Mg3 B11 O15 (OH)9  
  Herb Obodda  
  Inder B deposit and salt dome, Atyrau Oblast, Kazakhstan 
  
           
 
  Priceite R050420 
  Ca2 B5 O7 (OH)5 ·H2 O 
  Marcus Origlieri  
  20-Mule-Team Canyon, Death Valley, California, USA 
  
           
 
  Priceite R110008 
  Ca2 B5 O7 (OH)5 ·H2 O 
  Jin-Xiao Mi  
  Synthetic 
  
           
 
  Priderite X060012 
  K(Ti7 Fe3+ )O16  
  University of Arizona Mineral Museum 8625 
  Walgidee Hills, Western Australia, Australia 
  
           
 
  Priderite R060437 
  K(Ti7 Fe3+ )O16  
  Michael Scott S100111 
  Walgridee Hills Intrusion, Western Australia, Australia 
  
           
 
  Priderite R130169 
  K(Ti7 Fe3+ )O16  
  Rock Currier  
  Vounnemiok River, Kola Peninsula, Russia 
  
           
 
  Prismatine R210004 
  (Mg,Al,Fe)6 Al4 (Si,Al)4 (B,Si,Al)(O,OH,F)22  
  Dr Rainer Thomas  
  Goods Station Waldheim, Saxony, Germany 
  
           
 
  Probertite R050284 
  NaCaB5 O7 (OH)4 ·3H2 O 
  Marcus Origlieri  
  Borax Open Pit, Boron, Kern County, California, USA 
  
           
 
  Prosopite R050668 
  CaAl2 F4 (OH)4  
  University of Arizona Mineral Museum 14101 
  Grand Reef mine, Klondyke, Aravaipa District, Graham County, Arizona, USA 
  
           
 
  Prosopite R100181 
  CaAl2 F4 (OH)4  
  Joe Ruiz  
  Carlota mine, Pinto Creek, Gila, Arizona, USA 
  
           
 
  Proto-ferro-anthophyllite R060053 
  ◻Fe2+ 2 Fe2+ 5 Si8 O22 (OH)2  
  Marcus Origlieri  
  Nyppio mine, near Utsonomiya, Japan 
  
           
 
  Proto-ferro-suenoite R061000 
  ◻Mn2+ 2 Fe2+ 5 Si8 O22 (OH)2  
  Michael Scott S101306 
  Yokoneyama, Tochigi, Japan 
  
           
 
  Protochabournéite R140583 
  Tl4-x Pb2+2x Sb20-x-y Asy S34  (with 0.02 ≤ x ≤ 0.34, 5.71 ≤ y ≤ 6.69) 
  Stefan Schorn  
  Monte Arsiccio mine, Sant'Anna Di Stazzema, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy 
  
           
 
  Proustite R060356 
  Ag3 AsS3  
  Herb Obodda 040 
  Chanarcillo, Atacama Province, Chile 
  
           
 
  Pseudoboleite R050162 
  Pb31 Cu24 Cl62 (OH)48  
  Jim McGlasson  
  Margarita mine, Sierra Gorda, Antofagasta, Chile 
  
           
 
  Pseudoboleite R130548 
  Pb31 Cu24 Cl62 (OH)48  
  Bob Jenkins  
  Sierra Gorda, Antofagasta, Chile 
  
           
 
  Pseudobrookite R050563 
  (Fe3+ 2 Ti)O5  
  Dave Bunk Minerals  
  Thomas Range, Juab County, Utah, USA 
  
           
 
  Pseudobrookite R120173 
  (Fe3+ 2 Ti)O5  
  Bob Jenkins  
  Nuestra Señora del Carmen Mines, La Celia, Jumilla, Murcia, Spain 
  
           
 
  Pseudobrookite R140974 
  (Fe3+ 2 Ti)O5  
  Ch. and H. Schäfer  
  Emmelberg, Üdersdorf, Daun, Eifel, Rhineland-Palatinate, Germany 
  
           
 
  Pseudograndreefite R100006 
  Pb6 (SO4 )F10  
  Natural History Museum of Los Angeles County  LACMNH 33608 
  Grand Reef mine, Klondyke, Aravaipa District, Graham County, Arizona, USA 
  
           
 
  Pseudolaueite R170035 
  Mn2+ Fe3+ 2 (PO4 )2 (OH)2 ·8H2 O 
  Van King  
  Crooker Quarry, Newry, Maine, USA 
  
           
 
  Pseudomalachite R040175 
  Cu5 (PO4 )2 (OH)4  
  University of Arizona Mineral Museum 12558 
  West Bogan mine, Tottenham, Australia 
  
           
 
  Pseudomalachite R050264 
  Cu5 (PO4 )2 (OH)4  
  Marcus Origlieri  
  Cerro Morita, 27 km southwest of Agua Prieta, Sonora, Mexico 
  
           
 
  Pseudomalachite R050597 
  Cu5 (PO4 )2 (OH)4  
  William W. Pinch  
  Cerro Negro mine, Carrizalillo, Chile 
  
           
 
  Pseudowollastonite R070762 
  CaSiO3  
  Paul Roth  
  Dredged from Tampa Bay harbour, Tampa Bay, Florida, USA 
  
           
 
  Pseudowollastonite R080145 
  CaSiO3  
  Hexiong Yang  
  Synthetic 
  
           
 
  Pucherite R060824 
  Bi(VO4 ) 
  Michael Scott S101166 
  Pucher Shaft, Wolfgang Maaßen mine field, Schneeberg District, Saxony, Germany 
  
           
 
  Pucherite R080137 
  Bi(VO4 ) 
  Luiz Menezes  
  Fazenda da Posse, Sao Jose do Brejauba, Minas Gerais, Brazil 
  
           
 
  Pumpellyite-(Al) R070131 
  Ca2 Al3 (Si2 O7 )(SiO4 )(OH,O)2 ·H2 O 
  Michael Scott S100425 
  La Flèche Quarry, Bertrix, Luxembourg Province, Belgium 
  
           
 
  Pumpellyite-(Mg) R070130 
  Ca2 MgAl2 (Si2 O7 )(SiO4 )(OH)2 ·H2 O 
  Michael Scott S100404 
  Isle Royale National Park, Lake Superior,  Keweenaw County, Michigan, USA 
  
           
 
  Pumpellyite-(Mg) R120172 
  Ca2 MgAl2 (Si2 O7 )(SiO4 )(OH)2 ·H2 O 
  Bob Jenkins  
  Archidona, Malaga Province, Spain 
  
           
 
  Pyracmonite R220027 
  (NH4 )3 Fe(SO4 )3  
  Rock Currier  
  Burnside, Northumberland Co., Pennsylvania, USA 
  
           
 
  Pyrargyrite R050290 
  Ag3 SbS3  
  Dave Bunk Minerals  
  San Guillermo Vein, Cueva Santa area, San Luis Shaft, Proaño mine, Fresnillo, Zacatecas, Mexico 
  
           
 
  Pyrargyrite R050318 
  Ag3 SbS3  
  Eugene Schlepp  
  unknown 
  
           
 
  Pyrimethamine D120004 
  David Blake  
  Synthetic from Fluka 
  
           
 
  Pyrite R050070 
  FeS2  
  Rock Currier  
  Mina San Jose de Huanzala, Minero de Huallanca District, Department de Huanuco, Peru 
  
           
 
  Pyrite R050190 
  FeS2  
  Dave Bunk Minerals  
  Huanzala mine, Huallanca District, Dos de Mayo Province, Huanuco Department, Peru 
  
           
 
  Pyrite R070692 
  FeS2  
  James Shigley  
  Pohla, Schwarzenberg, Erzebirge, Saxony, Germany 
  
           
 
  Pyrite R080030 
  FeS2  
  William W. Pinch  
  Schaft 209, Aue, Niederschlema, Erzgebirge, Saxony, Germany 
  
           
 
  Pyrite R100166 
  FeS2  
  Harvard microprobe standard, Mineralogical Museum, Harvard University 87957 
  Boston Consolidated mine, Bingham Canyon, 20 mi SSW of Salt Lake City, Salt Lake County, Utah, USA 
  
           
 
  Pyroaurite R100053 
  Mg6 Fe3+ 2 (CO3 )(OH)16 ·4H2 O 
  William W Pinch  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Pyroaurite R120011 
  Mg6 Fe3+ 2 (CO3 )(OH)16 ·4H2 O 
  Donald Doell  
  Scotch Lake quarry, Scotch Lake, Cape Breton County, Nova Scotia, Canada 
  
           
 
  Pyrobelonite R080057 
  PbMn2+ VO4 (OH) 
  Michael Scott S101174 
  Ty Coch Manganese mine, Glamorgan County, Wales, United Kingdom 
  
           
 
  Pyrobelonite R100056 
  PbMn2+ VO4 (OH) 
  William W Pinch  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Pyrochlore R060151 
  Ca2 Nb2 O7  
  Marcus Origlieri  
  Oka, Quebec, Canada 
  
           
 
  Pyrochlore R060165 
  Ca2 Nb2 O7  
  Marcus Origlieri  
  Betafo, Madagascar 
  
           
 
  Pyrochlore R080050 
  Ca2 Nb2 O7  
  Michael Scott S100981 
  Hackman Valley, Yukspor Mountain, Khibiny, Kola, Russia 
  
           
 
  Pyrochlore R080058 
  Ca2 Nb2 O7  
  Michael Scott S101367 
  Samiresy, Madagascar 
  
           
 
  Pyrochlore R070742 
  Ca2 Nb2 O7  
  Michael Scott S103042 
  Alakurtti pegmatite, North Karelia, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Pyrochroite R100045 
  Mn2+ (OH)2  
  Marcus Origlieri  
  N'Chwaning II mine, Kalahari Manganese Field, Northern Cape Province, South Africa 
  
           
 
  Pyrolusite R040153 
  MnO2  
  University of Arizona Mineral Museum 4047 
  San Carlos mine, Mapimi, Durango, Mexico 
  
           
 
  Pyrolusite R050361 
  MnO2  
  University of Arizona Mineral Museum 11514 
  Serra do Navio, Amapa, Brazil 
  
           
 
  Pyrolusite R120169 
  MnO2  
  Bob Jenkins  
  Unnamed prospect, Tal-Tal, Antofagasta Region, Chile 
  
           
 
  Pyromorphite R050085 
  Pb5 (PO4 )3 Cl 
  Eugene Schlepp  
  Bunker Hill mine, Shoshone County, Idaho, USA 
  
           
 
  Pyromorphite R050027 
  Pb5 (PO4 )3 Cl 
  Eugene Schlepp  
  Yangshuo, Guangxi Autonomous Region, China 
  
           
 
  Pyromorphite R050015 
  Pb5 (PO4 )3 Cl 
  Eugene Schlepp  
  Bunker Hill mine, Shoshone County, Idaho, USA 
  
           
 
  Pyromorphite R060285 
  Pb5 (PO4 )3 Cl 
  Herb Obodda 104 
  Les Farges mine, Correze Ussel, France 
  
           
 
  Pyrope R040159 
  Mg3 Al2 (SiO4 )3  
  University of Arizona Mineral Museum 4309 
  Meronitz, Bohemia 
  
           
 
  Pyrope R050112 
  Mg3 Al2 (SiO4 )3  
  Carlos and Paulo Vasconcelos  
  Cruzeiro mine, San Jose, Minas Gerais, Brazil 
  
           
 
  Pyrope R050113 
  Mg3 Al2 (SiO4 )3  
  Farooq and Nazia Sawal  
  Warsik, Pakistan 
  
           
 
  Pyrope X050190 
  Mg3 Al2 (SiO4 )3  
  G.R. Rossman 59b 
  Tanzania 
  
           
 
  Pyrope X050130 
  Mg3 Al2 (SiO4 )3  
  G.R. Rossman 1728 
  San Bernardo, Dora Maria Massif, Italy 
  
           
 
  Pyrope X050131 
  Mg3 Al2 (SiO4 )3  
  G.R. Rossman 60 
  unknown 
  
           
 
  Pyrope R050446 
  Mg3 Al2 (SiO4 )3  
  Marcus Origlieri  
  Sunset Crater, Arizona, USA 
  
           
 
  Pyrope R060441 
  Mg3 Al2 (SiO4 )3  
  Gemological Institute of America 20594 
  Apache County, Arizona, USA 
  
           
 
  Pyrope R060445 
  Mg3 Al2 (SiO4 )3  
  Gemological Institute of America 13364 
  Tanzania 
  
           
 
  Pyrope R060448 
  Mg3 Al2 (SiO4 )3  
  Gemological Institute of America 4799 
  India 
  
           
 
  Pyrope R070637 
  Mg3 Al2 (SiO4 )3  
  Jibamitra Ganguly  
  Dora Maira Massif, Piedmont, Italy 
  
           
 
  Pyrope R080060 
  Mg3 Al2 (SiO4 )3  
  Weiji Cheng  
  Synthetic at P = 23.5 kb, T = 1000 deg C for 23 hours 
  
           
 
  Pyrope R100153 
  Mg3 Al2 (SiO4 )3  
  William W. Pinch  
  Sri Lanka 
  
           
 
  Pyrophanite R070211 
  Mn2+ TiO3  
  Michael Scott S104979 
  Harstigen Mine, Pajsberg, Filipstad, Varmland, Sweden 
  
           
 
  Pyrophyllite R050051 
  Al2 Si4 O10 (OH)2  
  University of Arizona Mineral Museum 13207 
  Cottonstone Mountain, Mecklenburg County, North Carolina, USA 
  
           
 
  Pyrophyllite R050108 
  Al2 Si4 O10 (OH)2  
  Rock Currier  
  Graves Mountain, Lincoln County, Georgia, USA 
  
           
 
  Pyrophyllite X050132 
  Al2 Si4 O10 (OH)2  
  CIT 10297 
  Ogilby, Imperial Conty, California 
  
           
 
  Pyrophyllite X050133 
  Al2 Si4 O10 (OH)2  
  CIT 14556 
  Indian Gulch, Mariposa County, California 
  
           
 
  Pyrosmalite-(Fe) R050158 
  Fe2+ 8 Si6 O15 (OH)10  
  Jim McGlasson  
  Burguillos del Cerro, Badajos, Spain 
  
           
 
  Pyrosmalite-(Fe) R060438 
  Fe2+ 8 Si6 O15 (OH)10  
  Michael Scott S100099 
  Monchi mine, Brugillos del Cerro, Badoz Province, Spain 
  
           
 
  Pyrosmalite-(Fe) R070313 
  Fe2+ 8 Si6 O15 (OH)10  
  James Shigley  
  Broken Hill, New South Wales, Australia 
  
           
 
  Pyrosmalite-(Mn) R110207 
  Mn2+ 8 Si6 O15 (OH,Cl)10  
  Royal Ontario Museum M42426 
  Kyurasawa mine, Ashio, Tochigi Prefecture, Kanto Region, Japan 
  
           
 
  Pyroxene R110130 
  Bart Cannon  
  Little Deer Creek eclogite, Skagit County, Washington, USA 
  
           
 
  Pyroxferroite R140465 
  Fe2+ SiO3  
  Rock Currier  
  Isanago mine, Ohro, Kyotango city, Kyoto Prefecture, Kinki Region, Honshu Island, Japan 
  
           
 
  Pyroxferroite R141080 
  Fe2+ SiO3  
  Ch. and H. Schäfer  
  Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany 
  
           
 
  Pyroxmangite X050134 
  Mn2+ SiO3  
  CIT 7847 
  Shidara, Kitashidara-gun, Aichi, Japan 
  
           
 
  Pyroxmangite R060999 
  Mn2+ SiO3  
  Michael Scott S101306 
  Yokoneyama, Tochigi, Japan 
  
           
 
  Pyroxmangite R070212 
  Mn2+ SiO3  
  Michael Scott S104978 
  Isanago mine,  Ohro (Ōro; Ouro; Ooro),  Naka-gun,  Kyoto Prefecture,  Kinki Region,  Honshu Island,  Japan 
  
           
 
  Pyroxmangite R130536 
  Mn2+ SiO3  
  Rock Currier and Marcus Origlieri  
  Taguchi mine, Shidara, Aichi Prefecture, Japan 
  
           
 
  Pyrrhotite R060440 
  Fe7 S8  
  Michael Scott S100128 
  Dal 'Negorsk, Primorskiy Kray, far eastern Russia 
  
           
 
  Pyrrhotite R061127 
  Fe7 S8  
  Michael Scott S103486 
  Morro Velho Gold mine, Nova Umha, Minas Gerais, Brazil 
  
           
 
  Qilianshanite R100019 
  NaH4 (CO3 )(BO3 )·2H2 O 
  Dave Bish  
  Lewis Cliff Ice Tongue, Antarctica 
  
           
 
  Quadridavyne R141084 
  [(Na,K)6 Cl2 ][Ca2 Cl2 ][(Si6 Al6 O24 )] 
  Ch. and H. Schäfer  
  Mt Vesuvius, Naples Province, Campania, Italy 
  
           
 
  Quartz R040031 
  SiO2  
  Bob Downs  
  Spruce Claim, King County, Washington, USA 
  
           
 
  Quartz R050125 
  SiO2  
  Carlos and Paulo Vasconcelos  
  Linopolis, Minas Gerais, Brazil 
  
           
 
  Quartz R060604 
  SiO2  
  Michael Scott S100119 
  Piedras Parada, Veracruz, Mexico 
  
           
 
  Quartz X080015 
  SiO2  
  Gemological Institute of America 17239 
  Synthetic 
  
           
 
  Quartz X080016 
  SiO2  
  Gemological Institute of America 16730 
  Synthetic 
  
           
 
  Quartz R100134 
  SiO2  
  William W. Pinch  
  Sri Lanka 
  
           
 
  Quartz R110104 
  SiO2  
  Gemological Institute of America 10-12-2010-8 
  Synthetic 
  
           
 
  Quartz R110108 
  SiO2  
  Gemological Institute of America 10-12-2010-13 
  Synthetic 
  
           
 
  Quartz R150074 
  SiO2  
  UAMM 9180  
  Selvino, Bergamo, Italy 
  
           
 
  Quartz R150091 
  SiO2  
  Michael Scott  
  unknown 
  
           
 
  Quenselite R060439 
  PbMn3+ O2 (OH) 
  Michael Scott S100105 
  Amerika Stope, Langban, Filipstad, Varmland, Sweden 
  
           
 
  Quenselite R100036 
  PbMn3+ O2 (OH) 
  William W Pinch  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Quintinite R070709 
  Mg4 Al2 (OH)12 (CO3 )·3H2 O 
  Michael Scott S104013 
  Jacupiranga mine, Cajati, São Paulo, Southeast Region, Brazil 
  
           
 
  Radhakrishnaite R070711 
  PbTe3 (Cl,S)2  
  Michael Scott S104015 
  Oktyabr'skoye Cu-Ni Deposit (Oktyabr'sk Deposit),  Noril'sk,  Putoran Plateau,  Krasnoyarsk Territory (Krasnoyarsk Kray; Krasnoyarskii Krai),  Eastern-Siberian Region,  Russia 
  
           
 
  Raguinite R130617 
  TlFeS2  
  Mark N. Feinglos  
  Allchar, Roszdan, Republic of Macedonia 
  
           
 
  Raite R060854 
  Na3 Mn2+ 3 Ti0.25 (Si8 O20 )(OH)2 ·10H2 O 
  Michael Scott S100990 
  Mount Kurnasurt, Lovozero Massif, Kola Peninsula, USSR 
  
           
 
  Rajite R060729 
  CuTe4+ 2 O5  
  Bob Jenkins  
  Lone Pine mine, Catron County, New Mexico, USA 
  
           
 
  Ramdohrite R100190 
  Pb5.9 Fe0.1 Mn0.1 In0.1 Cd0.2 Ag2.8 Sb10.8 S24  
  William W Pinch  
  Potosi, Bolivia 
  
           
 
  Ramdohrite R110001 
  Pb5.9 Fe0.1 Mn0.1 In0.1 Cd0.2 Ag2.8 Sb10.8 S24  
  Mark N. Feinglos  
  Chocaya, Potosi, Bolivia 
  
           
 
  Rammelsbergite R061021 
  NiAs2  
  Michael Scott S101275 
  Schneckenstei, Vogtland, Saxony, Germany 
  
           
 
  Ramsbeckite R050295 
  Cu15 (SO4 )4 (OH)22 ·6H2 O 
  George Godas, John Callahan  
  79 mine, 6th level, 31 stope, Hayden, Gila County, Arizona, USA 
  
           
 
  Ramsdellite R050552 
  MnO2  
  Dave Bunk Minerals  
  Lake Valley, Sierra County, New Mexico, USA 
  
           
 
  Rankinite R140775 
  Ca3 Si2 O7  
  Ch. and H. Schäfer  
  Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany 
  
           
 
  Rapidcreekite R070287 
  Ca2 (SO4 )(CO3 )·4H2 O 
  Mark Mauthner 3357 
  Locality 1 (Crosscut Creek), Rapid Creek, Yukon Territory, Canada 
  
           
 
  Raslakite R070071 
  Na15 Ca3 Fe3 (Na,Zr)3 Zr3 (Si,Nb)Si25 O73 (OH,H2 O)3 (Cl,OH) 
  Michael Scott S105054 
  Raslak Cirques, near Kedybverpahkh Mountain, Lovozero Massif, Kola Peninsula, Russia 
  
           
 
  Raspite R050567 
  Pb(WO4 ) 
  University of Arizona Mineral Museum 13642 
  Broken Hill, New South Wales, Australia 
  
           
 
  Raspite R130514 
  Pb(WO4 ) 
  Bruce Murphy  
  Grand Central mine, Tombstone, Arizona, USA 
  
           
 
  Rasvumite R060491 
  KFe2 S3  
  Michael Scott S100017 
  Coyote Peak, Humboldt County, California, USA 
  
           
 
  Rathite R070691 
  Ag2 Pb12-x Tlx/2 As18+x/2 S40  
  James Shigley  
  Lengenbach Quarry, near Imfeld, Binnental, Valais, Switzerland 
  
           
 
  Raydemarkite R210023 
  MoO3 ·H2 O 
  Ron Gibbs  
  Cookes Peak, Cookes Range, Luna County, New Mexico, USA 
  
           
 
  Raygrantite R120151 
  Pb10 Zn(SO4 )6 (SiO4 )2 (OH)2  
  Ron Gibbs and Bob Jenkins  
  Evening Star mine, Tiger Wash, Belmont Mountain, Tonopah, Big Horn Mts, Maricopa County, Arizona, USA 
  
           
 
  Realgar R060106 
  AsS 
  University of Arizona Mineral Museum 12621 
  Humboldt County, Nevada, USA 
  
           
 
  Realgar R060107 
  AsS 
  University of Arizona Mineral Museum 13816 
  Shimen, Hunan Province, China 
  
           
 
  Realgar R100026 
  AsS 
  Rob Woodside  
  Palomo mine, Castrovirreyna Province, Huancavelica Department, Peru 
  
           
 
  Reddingite R090058 
  Mn2+ 3 (PO4 )2 ·3H2 O 
  Royal Ontario Museum M53457 
  Palermo #1, North Groton, New Hampshire, USA 
  
           
 
  Redledgeite R070714 
  Ba(Ti6 Cr3+ 2 )O16  
  Michael Scott S103520 
  Red Ledge mine, Washington, Washington District, Nevada County, California, USA 
  
           
 
  Reedmergnerite R060096 
  NaBSi3 O8  
  University of Arizona Mineral Museum 16841 
  Dara-i-Pioz, Tadjikistan 
  
           
 
  Reevesite R070678 
  Ni6 Fe3+ 2 (CO3 )(OH)16 ·4H2 O 
  Michael Scott S104318 
  Otway Prospect, Nullagine Region, Western Australia, Australia 
  
           
 
  Refikite R180004 
  C20 H34 O2  
  Stefan Schorn  
  Moors in Bad Feilnbach, Bavaria, Germany 
  
           
 
  Reichenbachite R060867 
  Cu5 (PO4 )2 (OH)4  
  Michael Scott S100853 
  Old Gunnislake mine, Gunnislake, Cornwall, England 
  
           
 
  Reichenbachite R170008 
  Cu5 (PO4 )2 (OH)4  
  Renato and Adriana Pagano  
  Kipushi, Katanga, Congo 
  
           
 
  Reichenbachite R170028 
  Cu5 (PO4 )2 (OH)4  
  Renato and Adriana Pagano  
  Kipushi, Katanga, Congo 
  
           
 
  Reinerite R080132 
  Zn3 (AsO3 )2  
  William W. Pinch  
  4400 ft. level, Tsumeb, Namibia 
  
           
 
  Reinhardbraunsite R061006 
  Ca5 (SiO4 )2 (OH)2  
  Michael Scott S101273 
  Bellerberg, Eifel, Germany 
  
           
 
  Rémondite-(Ce) R120060 
  Na3 (Ce,Ca,Na)3 (CO3 )5  
  Donald Doell  
  Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada 
  
           
 
  Renierite R050428 
  (Cu1+ ,Zn)11 Fe4 (Ge4+ ,As5+ )2 S16  
  University of Arizona Mineral Museum 10225 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Renierite R050433 
  (Cu1+ ,Zn)11 Fe4 (Ge4+ ,As5+ )2 S16  
  University of Arizona Mineral Museum 8325 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Retgersite R070665 
  Ni(SO4 )·6H2 O 
  Michael Scott S104324 
  Lovelock mine, Bolivia, Cottonwood Canyon, Table Mountain District, Churchill County, Nevada, USA 
  
           
 
  Retgersite R100086 
  Ni(SO4 )·6H2 O 
  Lab supplies  
  Synthetic, Fluka Chemie 72280 
  
           
 
  Retgersite R130119 
  Ni(SO4 )·6H2 O 
  Rock Currier  
  Cerro de Pasco, Alcides Carrión Province, Pasco department, Peru 
  
           
 
  Retgersite R130366 
  Ni(SO4 )·6H2 O 
  Tom Loomis  
  Minas Ragra mine, Pasco, Peru 
  
           
 
  Reyerite R060749 
  Na2 Ca14 Al2 Si22 O58 (OH)8 ·6H2 O 
  Michael Scott S100299 
  Drynoch, Island of Skye, Scotland 
  
           
 
  Reyerite R060490 
  Na2 Ca14 Al2 Si22 O58 (OH)8 ·6H2 O 
  Michael Scott S100309 
  Drynoch, Island of Skye, Scotland 
  
           
 
  Rheniite R050362 
  ReS2  
  University of Arizona Mineral Museum 16071 
  Kudryaviy Volcano, Iturup Island, Kurilian Chain, Russia 
  
           
 
  Rhodarsenide R070074 
  Rh2 As 
  Michael Scott S105059 
  Miass River, Urals, Russia 
  
           
 
  Rhodizite R050099 
  KBe4 Al4 (B11 Be)O28  
  Rock Currier  
  Mont Ibity, Antsirabe, Madagascar 
  
           
 
  Rhodizite R110072 
  KBe4 Al4 (B11 Be)O28  
  Renato & Adriana Pagano  
  Sahanivotry, Sud Antzirabe, Madagascar 
  
           
 
  Rhodochrosite R040133 
  Mn(CO3 ) 
  University of Arizona Mineral Museum 13417 
  Imuris, Sonora, Mexico 
  
           
 
  Rhodochrosite R050019 
  Mn(CO3 ) 
  Eugene Schlepp  
  Home Sweet Home mine, Colorado, USA 
  
           
 
  Rhodochrosite R050116 
  Mn(CO3 ) 
  He Xin Jian  
  Wudong mine, Liubao, Guangxi Autonomous Region, China 
  
           
 
  Rhodochrosite X050138 
  Mn(CO3 ) 
  G.R. Rossman 1858 
  Colorado, USA 
  
           
 
  Rhodochrosite R100002 
  Mn(CO3 ) 
  Marcus Origlieri  
  Wudong mine, Liubao, Guangxi  Autonomous Region, China 
  
           
 
  Rhodochrosite R100162 
  Mn(CO3 ) 
  William W. Pinch  
  N'Chwaning mine, Kuruman, Kalahari manganese field, Cape Province, South Africa 
  
           
 
  Rhodonite R040041 
  CaMn3 Mn(Si5 O15 ) 
  University of Arizona Mineral Museum 4419 
  Franklin, Sussex County, New Jersey, USA 
  
           
 
  Rhodonite R060196 
  CaMn3 Mn(Si5 O15 ) 
  Marcus Origlieri  
  Morro da Mina, Minas Gerais, Brazil 
  
           
 
  Rhodonite R060363 
  CaMn3 Mn(Si5 O15 ) 
  Herb Obodda 071 
  2600' level, Broken Hill mine, New South Wales, Australia 
  
           
 
  Rhodonite R060549 
  CaMn3 Mn(Si5 O15 ) 
  Gemological Institute of America 23 
  unknown 
  
           
 
  Rhodonite X080001 
  CaMn3 Mn(Si5 O15 ) 
  Michael Scott  
  Brazil 
  
           
 
  Rhodonite R100038 
  CaMn3 Mn(Si5 O15 ) 
  William W Pinch  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Rhodostannite R120139 
  Cu1+ (Fe2+ 0.5 Sn4+ 1.5 )S4  
  Michael Scott  S101278 
  Pirquitas, Jujuy Province, Argentina 
  
           
 
  Rhomboclase R070507 
  (H5 O2 )Fe3+ (SO4 )2 ·2H2 O 
  James Shigley  
  Alcaparrosa, Antofogasta, Chile 
  
           
 
  Rhönite R060316 
  Ca4 [Mg8 Fe3+ 2 Ti2 ]O4 [Si6 Al6 O36 ] 
  Michael Scott S100202 
  Nickenicher Sattel, Laacher See District, Eifel, Germany 
  
           
 
  Ribbeite R140497 
  Mn2+ 5 (SiO4 )2 (OH)2  
  Rock Currier  
  Kombat mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia 
  
           
 
  Ribbeite R150125 
  Mn2+ 5 (SiO4 )2 (OH)2  
  Michael Scott S100253 
  Parker Shaft, Franklin, Sussex County, New Jersey, USA 
  
           
 
  Richelsdorfite R130552 
  Ca2 Cu5 Sb5+ (AsO4 )4 (OH)6 Cl·6H2 O 
  Bob Jenkins  
  Silberberg, Brixlegg, Austria 
  
           
 
  Richetite R090053 
  (Fe3+ ,Mg)x Pb2+ 8.6 (UO2 )36 O36 (OH)24 ·41H2 O 
  William W. Pinch  
  Shinkolobwe mine, Katanga, Congo 
  
           
 
  Richterite X050188 
  Na(NaCa)Mg5 Si8 O22 (OH)2  
  CIT 2482 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Richterite X050139 
  Na(NaCa)Mg5 Si8 O22 (OH)2  
  CIT 8019 
  Wilberforce, Ontario, Canada 
  
           
 
  Richterite R050414 
  Na(NaCa)Mg5 Si8 O22 (OH)2  
  Marcus Origlieri  
  Kokcha Valley, Badakhshan, Afghanistan 
  
           
 
  Richterite R060043 
  Na(NaCa)Mg5 Si8 O22 (OH)2  
  University of Arizona Mineral Museum 13132 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Richterite R060471 
  Na(NaCa)Mg5 Si8 O22 (OH)2  
  Michael Scott S100107 
  Kipawa Complex, Villedieu Township, Quebec, Canada 
  
           
 
  Richterite R100069 
  Na(NaCa)Mg5 Si8 O22 (OH)2  
  Bob Jenkins   
  La Ceila, near Jumilla, Murcia Province, Spain 
  
           
 
  Rickardite R140500 
  Cu3-x Te2  
  Rock Currier  
  600' Level, Good Hope mine, Vulcan, Vulcan District, Gunnison County, Colorado, USA 
  
           
 
  Rickturnerite R130568 
  Pb7 O4 [Mg(OH)4 ](OH)Cl3  
  Rick Turner  
  Merehead Quarry, Cranmore, Somerset, England, UK 
  
           
 
  Riebeckite R050082 
  ◻Na2 (Fe2+ 3 Fe3+ 2 )Si8 O22 (OH)2  
  Rock Currier  
  Mt. Malosa, Zomba, Chilwa, Alkaline Area, Malawi 
  
           
 
  Riebeckite R060028 
  ◻Na2 (Fe2+ 3 Fe3+ 2 )Si8 O22 (OH)2  
  University of Arizona Mineral Museum 9374 
  Transvaal, South Africa 
  
           
 
  Riebeckite R120033 
  ◻Na2 (Fe2+ 3 Fe3+ 2 )Si8 O22 (OH)2  
  Donald Doell  
  Zagi Mountain, Hameed Abad Kafoor Dheri, Peshawar, Khyber Pakhtunkhwa, Pakistan 
  
           
 
  Ringwoodite R070079 
  SiMg2 O4  
  Michael Scott S105057 
  Tenham meteorite, south Gregory, Queensland, Australia 
  
           
 
  Ringwoodite R090003 
  SiMg2 O4  
  Hexiong Yang  
  Synthetic 
  
           
 
  Rinkite-(Ce) R050229 
  (Ca3 REE)Na(NaCa)Ti(Si2 O7 )2 (OF)F2  
  Marcus Origlieri  
  Kipawa alkaline complex, near Sheffield Lake, Villedieu Township, Temiscamingue County, Quebec, Canada 
  
           
 
  Rinneite R060649 
  K3 NaFe2+ Cl6  
  Michael Scott S100823 
  Salton Sea, Imperial County, California, USA 
  
           
 
  Robertsite R120040 
  Ca2 Mn3+ 3 O2 (PO4 )3 ·3H2 O 
  Mark N. Feinglos  
  Tip Top mine, Custer County, South Dakota, USA 
  
           
 
  Robertsite R130045 
  Ca2 Mn3+ 3 O2 (PO4 )3 ·3H2 O 
  Thomas A. Loomis TL-17 
  Tip Top mine, Custer, South Dakota, USA 
  
           
 
  Robinsonite R060970 
  Pb4 Sb6 S13  
  Michael Scott S100397 
  Mala Zelezna, Zilinsky Kraj, Slovakia 
  
           
 
  Rockbridgeite R060858 
  (Fe2+ 0.5 Fe3+ 0.5 )2 Fe3+ 3 (PO4 )3 (OH)5  
  Marcus Origlieri  
  Tip Top mine, Custer County, South Dakota, USA 
  
           
 
  Rockbridgeite R070594 
  (Fe2+ 0.5 Fe3+ 0.5 )2 Fe3+ 3 (PO4 )3 (OH)5  
  James Shigley  
  Llallagua, Bustillos, Potosi, Bolivia 
  
           
 
  Rodalquilarite R061063 
  H3 Fe3+ 2 (Te4+ O3 )4 Cl 
  Bob Jenkins  
  Wendy open pit, Tambo mine, El Indio deposit, Elqui Province, Coquimbo Region, Chile 
  
           
 
  Rodalquilarite R130549 
  H3 Fe3+ 2 (Te4+ O3 )4 Cl 
  Bob Jenkins  
  Tombstone, Cochise County, Arizona 
  
           
 
  Roeblingite R070713 
  Ca6 Mn2+ Pb2 (Si3 O9 )2 (SO4 )2 (OH)2 ·4H2 O 
  Michael Scott S104345 
  Parker Shaft, Franklin mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA 
  
           
 
  Roeblingite R140328 
  Ca6 Mn2+ Pb2 (Si3 O9 )2 (SO4 )2 (OH)2 ·4H2 O 
  Benjamin N. Schumer  
  Långban, Varmland, Sweden 
  
           
 
  Roedderite R141093 
  KNaMg2 (Mg3 Si12 )O30  
  Ch. and H. Schäfer  
  Emmelberg, Üdersdorf, Eifel, Germany 
  
           
 
  Romanèchite R060337 
  (Ba,H2 O)2 (Mn4+ ,Mn3+ )5 O10  
  Michael Scott S100209 
  6.5 miles south of Palo Verde, Imperial County, California, USA 
  
           
 
  Romarchite R080006 
  SnO 
  Royal Ontario Museum M53027 
  Boundary Falls, Winnipeg River, Ontario, Canada 
  
           
 
  Roméite R060323 
  (Ca,Fe2+ ,Mn2+ ,Na)2 (Sb5+ ,Ti4+ )2 O6 (O,OH,F) 
  Michael Scott S100161 
  Praborna mine, Aosta Valley, St. Marcel, Italy 
  
           
 
  Roméite R060736 
  (Ca,Fe2+ ,Mn2+ ,Na)2 (Sb5+ ,Ti4+ )2 O6 (O,OH,F) 
  Michael Scott S101113 
  Le Cetine di Cotorniano, Chiusdino, Siena Province, Tuscany, Italy 
  
           
 
  Römerite R060238 
  Fe2+ Fe3+ 2 (SO4 )4 ·14H2 O 
  University of Arizona Mineral Museum 15636 
  Dexter no. 7 mine, Calf Mesa, San Rafael Swell, Emery County, Utah, USA 
  
           
 
  Römerite R060820 
  Fe2+ Fe3+ 2 (SO4 )4 ·14H2 O 
  Bob Jenkins  
  Alcaparrosa mine, Tierra Amarilla, Chile 
  
           
 
  Rongibbsite R100031 
  Pb2 (Si4 Al)O11 (OH) 
  Ron Gibbs  
  A prospect near Evening Star mine, Bighorn Mountains, Maricopa County, Arizona 
  
           
 
  Rooseveltite R060804 
  Bi(AsO4 ) 
  Michael Scott S100110 
  Josef mine, Moldava, Czech. Republic 
  
           
 
  Rosasite X060013 
  CuZn(CO3 )(OH)2  
  University of Arizona Mineral Museum 10325 
  Christmas mine, Christmas, Gila County, Arizona, USA 
  
           
 
  Rosasite R050294 
  CuZn(CO3 )(OH)2  
  George Godas, John Callahan  
  79 mine, 4th level, Hayden, Gila County, Arizona, USA 
  
           
 
  Rosasite R100077 
  CuZn(CO3 )(OH)2  
  Mark Ascher  
  79 mine, Hayden, Gila County, Arizona, USA 
  
           
 
  Rosasite R120007 
  CuZn(CO3 )(OH)2  
  Marcus Origlieri  
  Mina Ojuela, Mapimi, Durango, Mexico 
  
           
 
  Roscherite R070308 
  Ca2 Mn2+ 5 Be4 (PO4 )6 (OH)4 ·6H2 O 
  James Shigley  
  Black Mountain Quarry, Rumford, Oxford County, Maine, USA 
  
           
 
  Roscherite R130054 
  Ca2 Mn2+ 5 Be4 (PO4 )6 (OH)4 ·6H2 O 
  Thomas A. Loomis TL-21 
  Tip Top mine, Custer, South Dakota, USA 
  
           
 
  Roselite R100191 
  Ca2 Co(AsO4 )2 ·2H2 O 
  University of Arizona Mineral Museum 3019 
  Schneeberg District, Erzgebirge, Saxony, Germany 
  
           
 
  Roselite R150066 
  Ca2 Co(AsO4 )2 ·2H2 O 
  William Pinch  
  Bou Azzer, Morocco 
  
           
 
  Rosemaryite R140519 
  ◻NaMn2+ (Fe3+ Al)(PO4 )3  
  Rock Currier  
  Buranga pegmatite, Gatumba District, Western Province, Rwanda 
  
           
 
  Rosiaite R070384 
  PbSb2 O6  
  Michael Scott S104750 
  Le Cetine mine, Chiusdino, Tuscany, Italy 
  
           
 
  Rossmanite R070680 
  ◻(Al2 Li)Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Michael Scott S102401 
  Rožná pegmatite, Žďár nad Sázavou, Vysočina Region, Moravia (Mähren; Maehren), Czech Republic 
  
           
 
  Rossmanite R070702 
  ◻(Al2 Li)Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Michael Scott S102402 
  Tanco Mine (Bernic Lake Mine), Bernic Lake, Lac-du-Bonnet area, Manitoba, Canada 
  
           
 
  Rostite R061001 
  Al(SO4 )(OH)·5H2 O 
  Michael Scott S100383 
  Kladno, Bohmen, Czech Republic 
  
           
 
  Rouaite R080086 
  Cu2 (NO3 )(OH)3  
  William W. Pinch  
  Jachymov, Erzgebirge (Bohemia), Czech Republic 
  
           
 
  Roubaultite R080131 
  Cu2 O2 (UO2 )3 (CO3 )2 (OH)2 ·4H2 O 
  William W. Pinch  
  KOV mine, Kamoto, Shaba, Democratic Republic of Congo 
  
           
 
  Roweite R130073 
  Ca2 Mn2+ 2 B4 O7 (OH)6  
  Michael Scott S105794 
  Solongo B deposit, Vitim Plateau, Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia 
  
           
 
  Roxbyite R070676 
  Cu9 S5  
  Michael Scott S102407 
  Olympic Dam mine, Roxby Downs, South Australia, Australia 
  
           
 
  Rruffite R070431 
  Ca2 Cu(AsO4 )2 ·2H2 O 
  Bob Jenkins  
  Maria Catalina mine, Pampa Larga Mining District, Tierra Amarilla, Copiapo Province, Chile 
  
           
 
  Rruffite R141211 
  Ca2 Cu(AsO4 )2 ·2H2 O 
  Bob Jenkins  
  Jote mine, Pampa Larga District, Tierra Amarilla, Copiapo Province, Chile 
  
           
 
  Rubicline R070044 
  Rb(AlSi3 O8 ) 
  Michael Scott S105058 
  Vasin Myl'k Mount, Voron'l Tundry, Kola Peninsula, Russia 
  
           
 
  Rudenkoite R070048 
  Sr3 Al3.5 Si3.5 O10 (OH,O)8 Cl2 ·H2 O 
  Michael Scott S105053 
  80 km SEE of Aldan, Yakutia, Russia 
  
           
 
  Rüdlingerite R220038 
  Mn2+ 2 V5+ As5+ O7 ·2H2 O 
  Philippe Roth  
  Valletta mine, Canosio, Cuneo, Piedmont, Italy 
  
           
 
  Ruifrancoite R070049 
  Ca2 (◻,Mn)2 (Fe3+ ,Mn,Mg)4 Be4 (PO4 )6 (OH)6 ·4H2 O 
  Michael Scott S105056 
  Sapucaia mine, Galileia, Minas Gerais, Brazil 
  
           
 
  Ruitenbergite R110152 
  Ca9 B26 O34 (OH)24 Cl4 ·13H2 O 
  Donald M Doell and Brian Roulston  
  Potash Corporation of Saskatchewan mine, Penobsquis, Kings County, New Brunswick, Canada 
  
           
 
  Ruizite R060930 
  Ca2 Mn3+ 2 Si4 O11 (OH)4 ·2H2 O 
  Bob Jenkins  
  Christmas mine, Gila County, Arizona, USA 
  
           
 
  Ruizite R130787 
  Ca2 Mn3+ 2 Si4 O11 (OH)4 ·2H2 O 
  Marcus Origlieri  
  Wessels mine, Hotazel, Kalahari Manganese Field, Northern Cape Province, South Africa 
  
           
 
  Ruizite R140132 
  Ca2 Mn3+ 2 Si4 O11 (OH)4 ·2H2 O 
  Marcus Origlieri  
  Cornwall, Lebanon County, Pennsylvania, USA 
  
           
 
  Russellite R060860 
  Bi2 WO6  
  Michael Scott S100858 
  Castle-an-Dinas mine, Saint Columb Major, Cornwall, England 
  
           
 
  Rutherfordine R090018 
  (UO2 )(CO3 ) 
  James Shigley  
  El Sharana mine, South Alligator Valley, Northern Territory, Australia 
  
           
 
  Rutherfordine R090017 
  (UO2 )(CO3 ) 
  William W. Pinch  
  Musonoi Mine, Kolwezi, Katanga, Congo 
  
           
 
  Rutherfordine R100018 
  (UO2 )(CO3 ) 
  William Pinch  
  Shinkolobwe mine, Katanga, Congo 
  
           
 
  Rutherfordine R110154 
  (UO2 )(CO3 ) 
  Luiz Menezes, from Vincent Bourgoin  
  Shinkolobwe mine, Zaire 
  
           
 
  Rutile R040049 
  TiO2  
  University of Arizona Mineral Museum 8286 
  Graves Mountain, Lincoln County, Georgia, USA 
  
           
 
  Rutile R050031 
  TiO2  
  University of Arizona Mineral Museum 3776 
  Chester City, Pennsylvannia, USA 
  
           
 
  Rutile R050417 
  TiO2  
  Marcus Origlieri  
  Champion mine, Mono County, California, USA 
  
           
 
  Rutile R060493 
  TiO2  
  Michael Scott S100359 
  Diamantina, Minas Gerais, Brazil 
  
           
 
  Rutile R060745 
  TiO2  
  Herb Obodda 091 
  Zagi Mountain near Hammedabad, Knaffor Dehri, NW Frontier Provence, Pakistan 
  
           
 
  Rutile R110109 
  TiO2  
  Gemological Institute of America 10-12-2010-14 
  Synthetic 
  
           
 
  Rutile R120008 
  TiO2  
  Rob Lavinsky  
  Golconda, Minas Gerais, Brazil 
  
           
 
  Rynersonite R080064 
  CaTa2 O6  
  Michael Scott S102384 
  Ampanodiana South pegmatite, Tetezantsio-Andoabatokely Pegmatite Field, Andrembesoa Commune, Betafo Department, Vakinankaratra Region (Betafo - Antsirabé region), Antananarivo Province, Madagascar 
  
           
 
  Rynersonite R080063 
  CaTa2 O6  
  Michael Scott S102386 
  Brown Derby mine, Ohio City, Quartz Creek District, Gunnison County, Colorado, USA 
  
           
 
  Sabinaite R110174 
  Na4 TiZr2 O4 (CO3 )4  
  Donald Doell  
  Mont St-Hilaire, Quebec, Canada 
  
           
 
  Sabugalite R080028 
  HAl(UO2 )4 (PO4 )4 ·16H2 O 
  Mark N. Feinglos  
  Arcu su Linnarbu, Capoterra, Cagliari, Sardinia, Italy 
  
           
 
  Sadanagaite R080070 
  NaCa2 (Mg3 Al2 )(Si5 Al3 )O22 (OH)2  
  Michael Scott S102448 
  Ilmen Mts, Chelyabinsk Oblast', Urals Region, Russia 
  
           
 
  Safflorite R070611 
  CoAs2  
   James Shigley 
  Timiskaming County, Ontario, Canada 
  
           
 
  Safflorite R100115 
  CoAs2  
  Robert Woodside  
  Hudson Bay (Rustex) mine, Gowganda area, Ontario, Canada 
  
           
 
  Sahamalite-(Ce) R080043 
  Ce2 Mg(CO3 )4  
  Michael Scott S100443 
  Mountain Pass Mine (Sulfide Queen mine; Bastnaesite deposit; Mountain Pass carbonatite), Ivanpah, Mountain Pass District, San Bernardino County, California, USA 
  
           
 
  Sahlinite R130115 
  Pb14 O9 (AsO4 )2 Cl4  
  Rock Currier  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Sainfeldite R060273 
  Ca5 (AsO4 )2 (AsO3 OH)2 ·4H2 O 
  Michael Scott S100168 
  Grube Gift (Gift mine), Sainte Marie-aux-mines, Alsace, France 
  
           
 
  Sakhaite R060637 
  Ca48 Mg16 (BO3 )32 (CO3 )16 ·2(H2 O,HCl) 
  Michael Scott S101010 
  Titovskoe, Sakha (Yakutia) Republic, Russia 
  
           
 
  Sakhaite R060897 
  Ca48 Mg16 (BO3 )32 (CO3 )16 ·2(H2 O,HCl) 
  Michael Scott S100977 
  Solongo, Buryatiya, Transbaikal, Russia 
  
           
 
  Salammoniac R060521 
  (NH4 )Cl 
  Michael Scott S100100 
  Tien-Shan Mountains, Tadzhikistan, U.S.S.R 
  
           
 
  Salammoniac R061022 
  (NH4 )Cl 
  Michael Scott S100394 
  Schoeller mine, Kladno, Bohemia, Czech Republic 
  
           
 
  Saléeite R070618 
  Mg(UO2 )2 (PO4 )2 (H2 O)10  
  James Shigley  
  Shinkolobwe mine, near Kolweze, Katanga, Zaire 
  
           
 
  Salesite R050170 
  Cu(IO3 )(OH) 
  Marcus Origlieri  
  Chuquicamata, Chile 
  
           
 
  Saltonseaite R120131 
  K3 NaMnCl6  
  Anthony R. Kampf  
  Salton Sea, Imperial County, California, USA 
  
           
 
  Samarskite-(Y) R070540 
  YFe3+ Nb2 O8  
  James Shigley  
  Fremont County, Colorado, USA 
  
           
 
  Sampleite R050572 
  NaCaCu5 (PO4 )4 Cl·5H2 O 
  University of Arizona Mineral Museum 10237 
  Chuquicamata pit, Chuquicamata, Chile 
  
           
 
  Sampleite R070018 
  NaCaCu5 (PO4 )4 Cl·5H2 O 
  Mark Mauthner 3306 
  Endeavour 26 Open Cut, Northparkes mine, Goonumbla, NSW, Australia 
  
           
 
  Sampleite R090072 
  NaCaCu5 (PO4 )4 Cl·5H2 O 
  Bob Jenkins  
  Engaño Feliz mine, Las Pintadas dist., Tierra Amarilla, Copiapó Province, Chile 
  
           
 
  Samsonite R060998 
  Ag4 MnSb2 S6  
  Michael Scott S101393 
  Samson Vein, St. Andreasberg, Harz, Germany 
  
           
 
  Samuelsonite R080081 
  Ca9 Mn2+ 4 Al2 (PO4 )10 (OH)2  
  Michael Scott S103696 
  Buranga pegmatite,  Gatumba District,  Gisenyi Province,  Rwanda 
  
           
 
  Sanbornite R050001 
  BaSi2 O5  
  University of Arizona Mineral Museum 9044 
  Empire #1 mine, Fresno County, California, USA 
  
           
 
  Sanbornite R060489 
  BaSi2 O5  
  Michael Scott S100272 
  Big Creek, Fresno County, California, USA 
  
           
 
  Saneroite R060488 
  NaMn2+ 5 [Si5 O14 (OH)](VO3 )(OH) 
  Michael Scott S100108 
  Molinello mine, Val Graveglia (Graveglia Valley), Ne, Genova, Liguria, Italy 
  
           
 
  Sanidine X050140 
  K(AlSi3 O8 ) 
  G.R. Rossman 1607 
  Volkesfeld, Eifel, Germany 
  
           
 
  Sanidine R060313 
  K(AlSi3 O8 ) 
  Herb Obodda 016 
  Eifel Mountains, Rhineland-Palatinate, Germany 
  
           
 
  Santaclaraite R060346 
  CaMn2+ 4 Si5 O14 (OH)2 ·H2 O 
  Michael Scott S100212 
  Pennsylvania mine, Santa Clara County, California, USA 
  
           
 
  Santafeite R080054 
  (Ca,Sr,Na)3 (Mn2+ ,Fe3+ )2 Mn4+ 2 (VO4 )4 (OH,O)5 ·2H2 O 
  James Shigley  
  Marble Canyon, Gunnison County, Colorado, USA 
  
           
 
  Sapphirine R060073 
  Mg4 (Mg3 Al9 )O4 [Si3 Al9 O36 ] 
  Marcus Origlieri  
  Androy, Madagascar 
  
           
 
  Sapphirine R060556 
  Mg4 (Mg3 Al9 )O4 [Si3 Al9 O36 ] 
  Gemological Institute of America 15 
  unknown 
  
           
 
  Sapphirine R100135 
  Mg4 (Mg3 Al9 )O4 [Si3 Al9 O36 ] 
  William W. Pinch  
  Sri Lanka 
  
           
 
  Sapphirine R100143 
  Mg4 (Mg3 Al9 )O4 [Si3 Al9 O36 ] 
  William W. Pinch  
  Unknown 
  
           
 
  Sarabauite R060495 
  Sb4 S6 ·CaSb6 O10  
  Michael Scott S100032 
  Sarabau mine, near Bau, Sarawak, Borneo (Malaysia) 
  
           
 
  Sarcolite R070688 
  Na4 Ca12 Al8 Si12 O46 (SiO4 ,PO4 )(OH,H2 O)4 (CO3 ,Cl) 
  Michael Scott S101470 
  Monte Somma, Vesuvius, Italy 
  
           
 
  Sarcopside R070553 
  Fe2+ 3 (PO4 )2  
  James Shigley  
  Bull Moose mine, Custer District, Custer County, South Dakota, USA 
  
           
 
  Sarkinite R080065 
  Mn2+ 2 (AsO4 )(OH) 
  Michael Scott S103709 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Sartorite R130104 
  PbAs2 S4  
  Donald Doell (Small piece), Rock Currier (Large piece)  
  Lengenbach Quarry, Im Feld, Binn Valley, Wallis, Switzerland 
  
           
 
  Sassolite R060224 
  B(OH)3  
  Marcus Origlieri  
  Tuscany, Italy 
  
           
 
  Sassolite R060496 
  B(OH)3  
  Michael Scott S100059 
  Upper Biddy mine, near Ryan, Death Valley, Inyo County, California, USA 
  
           
 
  Satterlyite R060810 
  (Fe2+ ,Mg,Fe3+ )12 (PO3 OH)(PO4 )5 (OH,O)6  
  Michael Scott S101167 
  Big Fish River Area, Yukon Territory, Canada 
  
           
 
  Sazhinite-(La) R120053 
  Na3 LaSi6 O15 ·2H2 O 
  William W. Pinch  
  Aris quarry, near Windhoek, Namibia 
  
           
 
  Scainiite R100085 
  Pb14 Sb30 S54 O5  
  William W Pinch  
  Dúbrava, Northern Low Tatra Mts, Žilina Region, Slovakia 
  
           
 
  Scawtite R060340 
  Ca7 (Si3 O9 )2 (CO3 )·2H2 O 
  Michael Scott S100203 
  Crestmore Quarry, near Riverside, Riverside County, California, USA 
  
           
 
  Schafarzikite R120039 
  Fe2+ (Sb3+ )2 O4  
  Bob Jenkins  
  Pernek, Slovakia 
  
           
 
  Schaurteite R120054 
  Ca3 Ge(SO4 )2 (OH)6 ·3H2 O 
  William W. Pinch  
  Tsumeb, Namibia 
  
           
 
  Schaurteite R120104 
  Ca3 Ge(SO4 )2 (OH)6 ·3H2 O 
  Marcus Origlieri  
  Tsumeb, Namibia 
  
           
 
  Scheelite R040172 
  Ca(WO4 ) 
  University of Arizona Mineral Museum 5975 
  Sonora, Mexico 
  
           
 
  Scheelite R040173 
  Ca(WO4 ) 
  University of Arizona Mineral Museum 9487 
  Santa Cruz, Sonora, Mexico 
  
           
 
  Scheelite R050543 
  Ca(WO4 ) 
  University of Arizona Mineral Museum 9983 
  Nacozari, Sonora, Mexico 
  
           
 
  Scheelite R060417 
  Ca(WO4 ) 
  Herb Obodda 089 
  Karmang Valley, near Khapalu, Baltistan, Pakistan 
  
           
 
  Scheelite R150130 
  Ca(WO4 ) 
  Mark N. Feinglos  
  Tsumeb mine, Tsumeb, Otjikoto Region, Namibia 
  
           
 
  Schiavinatoite R090010 
  Nb(BO4 ) 
  William W. Pinch  
  Antsongombato, south of Betafo, south of Mahaiz, Madagascar 
  
           
 
  Schieffelinite R140572 
  Pb10 Te6+ 6 O20 (OH)14 (SO4 )(H2 O)5  
  Rock Currier  
  Joe mine, Tombstone District, Tombstone Hills, Cochise County, Arizona, USA 
  
           
 
  Schizolite R120109 
  NaCaMnSi3 O8 (OH) 
  Marcus Origlieri  
  Wessels mine, Kalahari Manganese Field, Northern Cape Province, South Africa 
  
           
 
  Schmiederite R100089 
  Cu2 Pb2 (Se4+ O3 )(Se6+ O4 )(OH)4  
  William W. Pinch  
  El Condor mine, Los Llantenes, Sierra de Cacheuta, La Rioja Province, Argentina 
  
           
 
  Schmitterite R060524 
  (UO2 )(Te4+ O3 ) 
  Michael Scott S100201 
  Moctezuma mine, Moctezuma, Sonora, Mexico 
  
           
 
  Schneiderhöhnite R050215 
  Fe2+ Fe3+ 3 As3+ 5 O13  
  Marcus Origlieri  
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Schneiderhöhnite R061004 
  Fe2+ Fe3+ 3 As3+ 5 O13  
  William W. Pinch  
  Urucum mine, Galileia, Minas Gerias, Brazil 
  
           
 
  Schoepite R080082 
  (UO2 )4 O(OH)6 (H2 O)6  
  Michael Scott S103736 
  Musonoi Mine, Kolwezi, Western area, Katanga Copper Zone, Katanga (Shaba), Congo (Zaïre) 
  
           
 
  Schoepite R100188 
  (UO2 )4 O(OH)6 (H2 O)6  
  William W Pinch  
  Shinkolobwe mine, Katanga, Congo 
  
           
 
  Scholzite R050238 
  CaZn2 (PO4 )2 ·2H2 O 
  Marcus Origlieri  
  near Blinman, South Australia, Australia 
  
           
 
  Scholzite R080068 
  CaZn2 (PO4 )2 ·2H2 O 
  Tom Loomis TL-42 
  Tip Top mine, Custer Country, South Dakota, USA 
  
           
 
  Schorl X050141 
  NaFe2+ 3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  G.R. Rossman 794 
  Cahuilla Mountain, Riverside County, California, USA 
  
           
 
  Schorl X050142 
  NaFe2+ 3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  G.R. Rossman 818 
  Blue Lady mine, Chihuahua Valley, San Diego County, California, USA 
  
           
 
  Schorl R050304 
  NaFe2+ 3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 
  Eugene Schlepp  
  Erongo Mountains, Namibia 
  
           
 
  Schorlomite R060125 
  Ca3 Ti2 (SiFe3+ 2 )O12  
  University of Arizona Mineral Museum 2151 
  Magnet Cove, Arkansas, USA 
  
           
 
  Schorlomite R060349 
  Ca3 Ti2 (SiFe3+ 2 )O12  
  Marcus Origlieri  
  Sundsvall, Medelpad, Sweden 
  
           
 
  Schorlomite R140772 
  Ca3 Ti2 (SiFe3+ 2 )O12  
  Ch. and H. Schäfer  
  Graulay, Hillesheim, Eifel, Rhineland-Palatinate, Germany 
  
           
 
  Schreibersite R070239 
  (Fe,Ni)3 P 
  Michael Scott S103722 
  Sao Juliao de Moreira meteorite, Ponte de Lima, Viana do Castelo district, Portugal 
  
           
 
  Schröckingerite R050565 
  NaCa3 (UO2 )(SO4 )(CO3 )3 F·10H2 O 
  Dave Bunk Minerals  
  Lost Creek, Sweetwater County, Wyoming, USA 
  
           
 
  Schröckingerite R060232 
  NaCa3 (UO2 )(SO4 )(CO3 )3 F·10H2 O 
  Michael Scott S100230 
  Atomic King #2 mine, Cane Wash, San Juan County, Utah, USA 
  
           
 
  Schuetteite R080079 
  Hg3 O2 (SO4 ) 
  Michael Scott S103725 
  Oceanic mine, Adelaida District, San Luis Obispo County, California, USA 
  
           
 
  Schuilingite-(Nd) R100063 
  CuPbNd(CO3 )3 (OH)·1.5H2 O 
  William W Pinch  
  Kasompi, 70 km. west of Kambove, Katanga, Congo 
  
           
 
  Schulenbergite R060992 
  (Cu,Zn)7 (SO4 )2 (OH)10 ·3H2 O 
  Peter Megaw  
  Platosa mine, Bermejillo, Mapimi Municipality, Mexico 
  
           
 
  Schultenite R050584 
  Pb(AsO3 OH) 
  University of Arizona Mineral Museum 14754 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Schumacherite R060759 
  Bi3 O(VO4 )2 (OH) 
  Michael Scott S101217 
  Pucher shaft, Schneeberg district, Sachsen, Germany 
  
           
 
  Schwartzembergite R050159 
  Pb2+ 5 H2 I3+ O6 Cl3  
  Jim McGlasson  
  Ponderosa mine, Sierra Gorda, Antofagasta, Chile 
  
           
 
  Schwartzembergite R070429 
  Pb2+ 5 H2 I3+ O6 Cl3  
  Bob Jenkins  
  Venado mine, Copiapo, Chile 
  
           
 
  Schwertmannite R220002 
  Fe3+ 16 O16 (OH)9.6 (SO4 )3.2 ·10H2 O 
  Annika Parviainen  
  A ditch in the Tinto river basin, SW Spain 
  
           
 
  Scolecite R040111 
  Ca(Si3 Al2 )O10 ·3H2 O 
  National Museums of Canada 060318 
  Bombay-Poona area, Mahahashtra Province, India 
  
           
 
  Scolecite R050083 
  Ca(Si3 Al2 )O10 ·3H2 O 
  Rock Currier  
  near Ahmednagar, Maharashtra, India 
  
           
 
  Scorodite X060014 
  Fe3+ (AsO4 )·2H2 O 
  University of Arizona Mineral Museum 11085 
  Trincheras, Sonora, Mexico 
  
           
 
  Scorodite R050465 
  Fe3+ (AsO4 )·2H2 O 
  University of Arizona Mineral Museum 2449 
  Minas Gerais, Brazil 
  
           
 
  Scorzalite R140558 
  Fe2+ Al2 (PO4 )2 (OH)2  
  Dr. Jürgen Wachsmuth  
  Hålsjöberg, Torsby, Värmland, Sweden 
  
           
 
  Scotlandite R060764 
  Pb(S4+ O3 ) 
  Michael Scott S101365 
  Lady Anne Hopetoun shaft. Leadhills, Lanarkshire, Scotland 
  
           
 
  Scotlandite R100043 
  Pb(S4+ O3 ) 
  William W. Pinch  
  Grand Reef mine, Klondyke, Aravaipa District, Graham County, Arizona, USA 
  
           
 
  Scottyite R120077 
  BaCu2 Si2 O7  
  William W. Pinch and Marcus Origlieri  
  Wessels mine, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Scottyite R141116 
  BaCu2 Si2 O7  
  Jaco and Tania Janse van Nieuwenhuizen  
  Wessels mine, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Scottyite R150111 
  BaCu2 Si2 O7  
  Yan Chen and Shouhua Feng  
  Synthetic 
  
           
 
  Scottyite R160006 
  BaCu2 Si2 O7  
  Bill Pinch  
  Graulay Quarry, Eifel, Germany 
  
           
 
  Scrutinyite R080018 
  PbO2  
  William W. Pinch  
  Snake Pit, lower Mex-Tex mine, Hansonburg District, Socorro County, New Mexico, USA 
  
           
 
  Searlesite R060076 
  NaBSi2 O5 (OH)2  
  Dave Bunk Minerals  
  near Cave Spring, Esperalda County, Nevada, USA 
  
           
 
  Seeligerite R060714 
  Pb3 (IO4 )Cl3  
  Bob Jenkins  
  San Francisco mine, Sierra Gorda, Chile 
  
           
 
  Segelerite R080127 
  CaMgFe3+ (PO4 )2 (OH)·4H2 O 
  Thomas A. Loomis TL-41 
  Tip Top mine, Custer County, South Dakota, USA 
  
           
 
  Segerstromite R130753 
  Ca3 (As5+ O4 )2 [As3+ (OH)3 ]2  
  Bob Jenkins  
  Cobriza mine, Sacramento District, Copiapó Province, Chile 
  
           
 
  Segnitite R060342 
  PbFe3+ 3 (AsO4 )(AsO3 OH)(OH)6  
  Michael Scott S100051 
  Kintore Opencut, Broken Hill, New South Wales, Australia 
  
           
 
  Seidozerite R130032 
  Na2 Zr2 Na2 MnTi(Si2 O7 )2 O2 F2  
  Don Doell DD 13-06 
  Suoluaiv Mountain, Lovozero alkaline massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Sekaninaite R061053 
  Fe2+ 2 Al4 Si5 O18  
  Royal Ontario Museum M52513 
  Dolni Borg, Czechoslovakia 
  
           
 
  Selenium R050656 
  Se 
  University of Arizona Mineral Museum 6735 
  Poison Creek, Valencia County, New Mexico, USA 
  
           
 
  Selenium R060137 
  Se 
  University of Arizona Mineral Museum 11101 
  Grants Uranium District, Valencia County, New Mexico, USA 
  
           
 
  Seligmannite R100189 
  CuPbAsS3  
  William W. Pinch  
  Palomo mine, Huancavelica Department, Peru 
  
           
 
  Seligmannite R090037 
  CuPbAsS3  
  Marcus Origlieri  
  Quiruvilca, La Libertad Department, Peru 
  
           
 
  Semseyite R080087 
  Pb9 Sb8 S21  
  Michael Scott S106088 
  Herja Mine (Kisbánya), Baia Mare (Nagybánya), Maramures County, Romania 
  
           
 
  Senaite R060644 
  Pb(Mn,Y,U)(Fe,Zn)2 (Ti,Fe,Cr,V)18 (O,OH)38  
  Michael Scott S100816 
  Fazenda Guariba, Minas Gerais, Brazil 
  
           
 
  Senandorite R060673 
  AgPbSb3 S6  
  Michael Scott S101092, Rock Currier  
  San Jose mine, Oruro, Bolivia 
  
           
 
  Senandorite R070718 
  AgPbSb3 S6  
  Michael Scott S104365 
  Bear Basin Mines, Lennox Creek, Bear Basin, North Bend, King County, Washington, USA 
  
           
 
  Senandorite R100212 
  AgPbSb3 S6  
  Mark N. Feinglos  
  Felsobanya, Romania 
  
           
 
  Senarmontite R060075 
  Sb2 O3  
  University of Arizona Mineral Museum 9676 
  Djebel Haminate mine, Constantine, Algeria 
  
           
 
  Senarmontite R060002 
  Sb2 O3  
  Ken Roberts  
  Chenlong, Xin Yi County, Guizhou Province, China 
  
           
 
  Senegalite R050239 
  Al2 (PO4 )(OH)3 ·H2 O 
  Marcus Origlieri  
  Kourondicko iron ore (magnetite) deposit, Faleme River Basin, Senegal 
  
           
 
  Sengierite R070520 
  Cu2 (UO2 )2 (VO4 )2 (OH)2 ·6H2 O 
  James Shigley  
  Cole Shaft, Bisbee, Mule Mountains, Cochise County, Arizona, USA 
  
           
 
  Sengierite R100186 
  Cu2 (UO2 )2 (VO4 )2 (OH)2 ·6H2 O 
  William W Pinch  
  Shinkolobwe mine, Katanga, Congo 
  
           
 
  Sepiolite R070311 
  Mg4 Si6 O15 (OH)2 ·6H2 O 
  James Shigley  
  Miller Quartz, near Santa Cruz, Santa Cruz County, California, USA 
  
           
 
  Serandite R040056 
  NaMn2+ 2 Si3 O8 (OH) 
  Bob Downs  
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Serandite R050261 
  NaMn2+ 2 Si3 O8 (OH) 
  Marcus Origlieri  
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Serendibite R070622 
  Ca4 [Mg6 Al6 ]O4 [Si6 B3 Al3 O36 ] 
  Shinichi Kihara  
  Sri Lanka 
  
           
 
  Serendibite R070633 
  Ca4 [Mg6 Al6 ]O4 [Si6 B3 Al3 O36 ] 
  www.multicolour.com  
  Burma 
  
           
 
  Serendibite R120069 
  Ca4 [Mg6 Al6 ]O4 [Si6 B3 Al3 O36 ] 
  William W. Pinch  
  Mogok, Burma 
  
           
 
  Serpierite R060475 
  Ca(Cu,Zn)4 (SO4 )2 (OH)6 ·3H2 O 
  Michael Scott S100183 
  Oh mine, Gila County, Arizona, USA 
  
           
 
  Serrabrancaite R080077 
  Mn(PO4 )·H2 O 
  Michael Scott S103673 
  Serra Branca pegmatite, Pedra Lavrada, Paraíba; Northeast, Brazil 
  
           
 
  Sewardite R060720 
  CaFe3+ 2 (AsO4 )2 (OH)2  
  Bob Jenkins  
  Las Animas mine, La Mur, Sonora, Mexico 
  
           
 
  Sewardite R141206 
  CaFe3+ 2 (AsO4 )2 (OH)2  
  Shields Flynn  
  Tsumeb, Namibia 
  
           
 
  Shandite R070090 
  Ni3 Pb2 S2  
  Michael Scott S105060 
  Nickel Reward mine, Tasmania, Australia 
  
           
 
  Shannonite R070501 
  Pb2 O(CO3 ) 
  Bob Jenkins  
  Tonopah-Belmont mine, Maricopa County, Arizona, USA 
  
           
 
  Shattuckite X060019 
  Cu5 (SiO3 )4 (OH)2  
  University of Arizona Mineral Museum 1036 
  Clifton, Arizona, USA 
  
           
 
  Shattuckite R050133 
  Cu5 (SiO3 )4 (OH)2  
  University of Arizona Mineral Museum 5524 
  Ajo, Pima County, Arizona, USA 
  
           
 
  Shattuckite R061073 
  Cu5 (SiO3 )4 (OH)2  
  Bob Jenkins  
  Pinky mine, North of Copiapo, Chile 
  
           
 
  Shcherbakovite R080078 
  K2 NaTi2 O(OH)Si4 O12  
  Michael Scott S103629 
  Walgidee Hills pegmatite, Kimberley, Western Australia, Australia 
  
           
 
  Shibkovite R080040 
  K2 Ca2 (Zn3 Si12 )O30  
  Michael Scott S103624 
  Dara-i-Pioz Glacier, Alayskiy (Alai) Range, Tien Shan Mts, Region of Republican Subordination, Tajikistan 
  
           
 
  Shigaite R080090 
  Mn6 Al3 (OH)18 [Na(H2 O)6 ](SO4 )2 ·6H2 O 
  Michael Scott S103622 
  Ioi Mine, Shiga Prefecture, Kinki Region, Honshu Island, Japan 
  
           
 
  Shilovite R060941 
  Cu(NH3 )4 (NO3 )2  
  Bob Jenkins  
  mine floor near explosive storage, Quebrada Blanca mine, Iquique, Chile 
  
           
 
  Shirozulite R070135 
  KMn2+ 3 (Si3 Al)O10 (OH)2  
  Michael Scott S105062 
  Bikkulovskoe deposit, south Urals, Russia 
  
           
 
  Shkatulkalite R110193 
  Na2 Nb2 Na3 Ti(Si2 O7 )2 O2 (FO)(H2 O)4 (H2 O)3  
  Donald Doell  
  Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Monteregie, Quebec, Canada 
  
           
 
  Shomiokite-(Y) R060670 
  Na3 Y(CO3 )3 ·3H2 O 
  Michael Scott S100955 
  Alluaiv Mountain, Lovozero massif, Kola Peninsula, Russia 
  
           
 
  Shortite R040184 
  Na2 Ca2 (CO3 )3  
  University of Arizona Mineral Museum 1750 
  Green River, Wyoming, USA 
  
           
 
  Shortite R050248 
  Na2 Ca2 (CO3 )3  
  Marcus Origlieri  
  Stauffer mine, Green River, Wyoming, USA 
  
           
 
  Shuiskite-(Mg) R070109 
  Ca2 MgCr2 (Si2 O7 )(SiO4 )(OH)2 ·H2 O 
  Bob Jenkins  
  Sarnay, Ural, Russia 
  
           
 
  Si3 N4 -β R120129 
  H.C. Stark  
  Synthetic 
  
           
 
  Siderazot R060343 
  Fe3 N1.33  
  Michael Scott S100027 
  Ottaviano, Mount Vesuvius, Italy 
  
           
 
  Siderite R040034 
  Fe(CO3 ) 
  University of Arizona Mineral Museum 7584 
  Pribram, Czech Republic 
  
           
 
  Siderite X050143 
  Fe(CO3 ) 
  Caltech  
  Invigtut, Greenland 
  
           
 
  Siderite X050144 
  Fe(CO3 ) 
  CIT 3247 
  near Rio de Janeiro, Brazil 
  
           
 
  Siderite X050145 
  Fe(CO3 ) 
  Caltech 40298 
  
           
 
  Siderite R050262 
  Fe(CO3 ) 
  Marcus Origlieri  
  Panasqueira mine, Barroca Grande, Beira Baixa, Portugal 
  
           
 
  Siderite R050349 
  Fe(CO3 ) 
  California Institute of Technology  
  Litchfield County, Connecticut, USA 
  
           
 
  Sidwillite R080047 
  MoO3 ·2H2 O 
  Joe Marty JM-5110 
  Freedom No. 2 mine, Marysvale District (Marysvale Uranium area), Piute County, Utah, USA 
  
           
 
  Sidwillite R210025 
  MoO3 ·2H2 O 
  Jim McGlasson  
  Cookes Peak, Cookes Range, Luna County, New Mexico, USA 
  
           
 
  Siegenite R050092 
  CoNi2 S4  
  Rock Currier  
  Bunker Hill mine, Jasper County, Missouri, USA (note that some people think this may be incorrect) 
  
           
 
  Siegenite R060502 
  CoNi2 S4  
  Michael Scott S100057 
  Magmont mine, Viburnum Trend Lead Belt, southeastern Missouri, USA 
  
           
 
  Siegenite R070252 
  CoNi2 S4  
  Michael Scott S105567 
  Gruge Viktoria Musen, Siegen, Siegerland, North Rhine-Westphalia, Germany 
  
           
 
  Sieleckiite R080035 
  Cu3 Al4 (PO4 )2 (OH)12 ·2H2 O 
  Michael Scott S102696 
  Mount Oxide Copper mine, Mt Isa, Mt Isa - Cloncurry area, Queensland, Australia 
  
           
 
  Sigloite R050576 
  Fe3+ Al2 (PO4 )2 (OH)3 ·7H2 O 
  University of Arizona Mineral Museum 12574 
  Viloco, Bolivia 
  
           
 
  Silicon R050145 
  Si 
  Gerry Gibbs  
  synthetic from Dupont 
  
           
 
  Sillimanite R050601 
  Al2 SiO5  
  Bill Larson  
  Mogok, Burma 
  
           
 
  Sillimanite R060080 
  Al2 SiO5  
  Marcus Origlieri  
  Pein Pyit, Mogok, Burma 
  
           
 
  Sillimanite R060787 
  Al2 SiO5  
  Michael Scott S101078 
  Moragahakanda, Sri Lanka 
  
           
 
  Sillimanite R100126 
  Al2 SiO5  
  William W. Pinch  
  Orissa, India 
  
           
 
  Sillimanite R100127 
  Al2 SiO5  
  William W. Pinch  
  Andana Tea Plantation, near Khawatha, Rathapura District, Sri Lanka 
  
           
 
  Silver R070416 
  Ag 
  Royal Ontario Museum M16435 
  Frontier mine, South Lorrain, Timiskaming District, Ontario, Canada 
  
           
 
  Silver R070463 
  Ag 
  Michael Scott S104479 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Silver R070754 
  Ag 
  Michael Scott S103118 
  Capitol Mine, Haultain Township, Miller Lake area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada 
  
           
 
  Simmonsite R080069 
  Na2 LiAlF6  
  Michael Scott S100646 
  Zapot mine, Zapot amazonite-topaz-zinnwaldite pegmatite, Gillis Range, Mineral County, Nevada, USA 
  
           
 
  Simonellite R130116 
  C19 H24  
  Rock Currier  
  Fognano, Montepulliano, Tuscany, Italy 
  
           
 
  Simonkolleite R130117 
  Zn5 (OH)8 Cl2 ·H2 O 
  Rock Currier  
  Richelsdorf, Richelsdorf Mountains, Hesse, Germany 
  
           
 
  Simonkolleite R130616 
  Zn5 (OH)8 Cl2 ·H2 O 
  Danielle Sotomayor and Keith Wentz  
  Rowley mine, Maricopa County, Arizona, USA 
  
           
 
  Simplotite R060712 
  CaV4+ 4 O9 ·5H2 O 
  Bob Jenkins  
  Uravan Mineral Belt, Colorado, USA 
  
           
 
  Simpsonite R050629 
  Al4 Ta3 O13 (OH) 
  Gemological Center  
  Equador, Rio Grande do Norte, Brazil 
  
           
 
  Simpsonite R061059 
  Al4 Ta3 O13 (OH) 
  Michael Scott S100986 
  Mt. Vasin-Myl'k, Voron'ya Tundra, Russia 
  
           
 
  Sincosite R060523 
  Ca(VO)2 (PO4 )2 ·4H2 O 
  Michael Scott S100045 
  Ross Hannibal mine, Lawrence County, South Dakota, USA 
  
           
 
  Sincosite R141154 
  Ca(VO)2 (PO4 )2 ·4H2 O 
  Tom Loomis  
  South Rasmussen Ridge mine, Caribou County, Idaho, USA 
  
           
 
  Sincosite R141155 
  Ca(VO)2 (PO4 )2 ·4H2 O 
  Tom Loomis  
  Ross Hannibal mine, Lawrence County, South Dakota, USA 
  
           
 
  Sinhalite R070621 
  MgAl(BO4 ) 
  Shinichi Kihara  
  Sri Lanka 
  
           
 
  Sinhalite R100132 
  MgAl(BO4 ) 
  William W. Pinch  
  Ratnapura district, Sri Lanka 
  
           
 
  Sinhalite R100163 
  MgAl(BO4 ) 
  William W. Pinch  
  Ratnapura, Sri Lanka 
  
           
 
  Sinkankasite R050466 
  Mn2+ Al(PO3 OH)2 (OH)·6H2 O 
  University of Arizona Mineral Museum 12214 
  Barker mine, Keystone, South Dakota, USA 
  
           
 
  Sinoite R130011 
  Si2 N2 O 
  Chi Ma  
  Zakłodzie meteorite, Zakłodzie, Poland 
  
           
 
  Sklodowskite R050445 
  Mg(UO2 )2 (SiO3 OH)2 ·6H2 O 
  Peter Megaw  
  Mina las Animas, Santa Eulalia, Chihuahua, Mexico 
  
           
 
  Skorpionite R060938 
  Ca3 Zn2 (PO4 )2 (CO3 )(OH)2 ·H2 O 
  William W. Pinch  
  Skorpion Zinc deposit, west of Rosh Pinah, southern Namibia 
  
           
 
  Skutterudite R050593 
  CoAs3  
  Marcus Origlieri  
  Bou Azzer, Morocco 
  
           
 
  Skutterudite R070528 
  CoAs3  
  James Shigley  
  Cobalt, Coleman Township, Timiskamig County, Ontario, Canada 
  
           
 
  Skutterudite R100195 
  CoAs3  
  Royal Ontario Museum M19115 
  Skutterud, Norway 
  
           
 
  Slavíkite R080048 
  (H3 O)3 Mg6 Fe15 (SO4 )21 (OH)18 ·98H2 O 
  Michael Scott S101492 
  Mandat, Bohmen, Czech Republic 
  
           
 
  Smithite R070642 
  AgAsS2  
  Michael Scott S101941 
  Jas Roux, Pelvoux Mt., Valgaudemar, Hautes-Alpes, Provence-Alpes-Côte d'Azur, France 
  
           
 
  Smithsonite R040035 
  Zn(CO3 ) 
  University of Arizona Mineral Museum 3531 
  Mazapil, Zacatecas, Mexico 
  
           
 
  Smithsonite R040051 
  Zn(CO3 ) 
  University of Arizona Mineral Museum 12032 
  Berg Aukas mine, Grootfontein, Namibia 
  
           
 
  Sodalite R040141 
  Na4 (Si3 Al3 )O12 Cl 
  University of Arizona Mineral Museum 9577 
  Princess Sodalite mine, Bancroft, Ontario, Canada 
  
           
 
  Sodalite X050146 
  Na4 (Si3 Al3 )O12 Cl 
  G.R. Rossman 1945 
  Canada 
  
           
 
  Sodalite R060355 
  Na4 (Si3 Al3 )O12 Cl 
  Herb Obodda 004 
  Mont Saint-Hilaire, Quebec, Canada 
  
           
 
  Sodalite R060354 
  Na4 (Si3 Al3 )O12 Cl 
  Herb Obodda 043 
  Koksha Valley, Badakshan Province, Afghanistan 
  
           
 
  Sodalite R060416 
  Na4 (Si3 Al3 )O12 Cl 
  Herb Obodda 109 
  Koksha Valley, Badakshan Province, Afghanistan 
  
           
 
  Sodalite R060405 
  Na4 (Si3 Al3 )O12 Cl 
  Marcus Origlieri  
  Cerro Sapo, Cochabamba Department, Bolivia 
  
           
 
  Sodalite R060435 
  Na4 (Si3 Al3 )O12 Cl 
  Herb Obodda  
  Koksha Valley, Badakshan Province, Afghanistan 
  
           
 
  Sodalite R060436 
  Na4 (Si3 Al3 )O12 Cl 
  Herb Obodda  
  Koksha Valley, Budakshan Province, Afghanistan 
  
           
 
  Soddyite R060361 
  (UO2 )2 (SiO4 )(H2 O)2  
  Michael Scott S100220 
  Musonoi Extension, near Kolwezi, Shaba Province, Zaire 
  
           
 
  Soddyite R060407 
  (UO2 )2 (SiO4 )(H2 O)2  
  American Museum of Natural History 30462 
  Palette, Northern Territory, Australia 
  
           
 
  Sofiite R070045 
  Zn2 (Se4+ O3 )Cl2  
  Michael Scott S105063 
  Great Tolbachik Eruption (1975-6), Tolbachik Volcano, Kamchatka Peninsula, Russia 
  
           
 
  Sogdianite R050648 
  KZr2 Li3 Si12 O30  
  Dmitri Belakyovski  
  Dara-i-Pioz, Tadjikistan 
  
           
 
  Söhngeite R120117 
  Ga(OH)3  
  William W. Pinch  
  Tsumeb, Namibia 
  
           
 
  Sonolite R070752 
  Mn2+ 9 (SiO4 )4 (OH)2  
  Michael Scott S102664 
  Fujii mine, Wakasa, Fukui Prefecture, Chubu Region, Honshu Island, Japan 
  
           
 
  Sonoraite R070745 
  Fe3+ (Te4+ O3 )(OH)·H2 O 
  Michael Scott S102667 
  Tombstone, Tombstone District, Cochise County, Arizona, USA 
  
           
 
  Sørensenite R070576 
  Na4 Be2 Sn(Si3 O9 )2 ·2H2 O 
  James Shigley  
  Kvanefjeld, Ilimaussaq, Narsaq, Kitaa, Greenland 
  
           
 
  Spangolite R060135 
  Cu6 Al(SO4 )(OH)12 Cl·3H2 O 
  University of Arizona Mineral Museum 16329 
  Blanchard mine, Hansonburg District, Socorro County, New Mexico, USA 
  
           
 
  Spangolite R080023 
  Cu6 Al(SO4 )(OH)12 Cl·3H2 O 
  William W. Pinch  
  Mex-Tex mine, Hansonberg Mining District, Bingham, Socorro County, New Mexico, USA 
  
           
 
  Spencerite R050581 
  Zn4 (PO4 )2 (OH)2 ·3H2 O 
  University of Arizona Mineral Museum 6097 
  Salmo, British Columbia, Canada 
  
           
 
  Sperrylite R070214 
  PtAs2  
  Michael Scott S102676 
  Vermilion Mine, Denison Township, Sudbury District, Ontario, Canada 
  
           
 
  Spertiniite R100193 
  Cu(OH)2  
  Rob Lavinsky  
  Jeffrey mine, Asbestos, Shipton Township, Richmond County, Quebec, Canada 
  
           
 
  Spessartine R050063 
  Mn2+ 3 Al2 (SiO4 )3  
  Rock Currier  
  Fujian Province, China 
  
           
 
  Spessartine X050191 
  Mn2+ 3 Al2 (SiO4 )3  
  G.R. Rossman 61 
  Brazil 
  
           
 
  Spessartine X050147 
  Mn2+ 3 Al2 (SiO4 )3  
  R2G 10 
  Rutherford #2 mine, Amelia, Virginia, USA 
  
           
 
  Spessartine X050148 
  Mn2+ 3 Al2 (SiO4 )3  
  G.R. Rossman 72 
  Brazil 
  
           
 
  Spessartine X050149 
  Mn2+ 3 Al2 (SiO4 )3  
  RSD 56163- 102 
  Ramona, California, USA 
  
           
 
  Spessartine R060177 
  Mn2+ 3 Al2 (SiO4 )3  
  Rock Currier  
  Fujian Province, China 
  
           
 
  Spessartine R060279 
  Mn2+ 3 Al2 (SiO4 )3  
  Herb Obodda 055 
  Shigar Valley, northeast of Skardu, Baltistan, Pakistan 
  
           
 
  Spessartine R060447 
  Mn2+ 3 Al2 (SiO4 )3  
  Gemological Institute of America 4569 
  unknown 
  
           
 
  Spessartine R060451 
  Mn2+ 3 Al2 (SiO4 )3  
  Gemological Institute of America 11817 
  unknown 
  
           
 
  Spessartine R080053 
  Mn2+ 3 Al2 (SiO4 )3  
  www.multicolour.com  
  East Africa 
  
           
 
  Sphalerite R040136 
  ZnS 
  University of Arizona Mineral Museum 13933 
  Hilltop mine, Paradise, Cochise County, Arizona, USA 
  
           
 
  Sphalerite R050005 
  ZnS 
  Eugene Schlepp  
  Taolin mine, Yueyang, Linxing, Hunan Province, China 
  
           
 
  Sphalerite R050140 
  ZnS 
  Dave Bunk Minerals  
  Big Four mine, Summit County, Colorado, USA 
  
           
 
  Sphalerite R050237 
  ZnS 
  Marcus Origlieri  
  Picos de Europa, Spain 
  
           
 
  Sphalerite X050150 
  ZnS 
  Caltech  
  Pitcher, Oklahoma, USA 
  
           
 
  Sphalerite X050151 
  ZnS 
  1460-1a  
  
           
 
  Sphalerite R060005 
  ZnS 
  University of Arizona Mineral Museum 3552 
  Trinacria mine, Lake Poopo, Oruro, Bolivia 
  
           
 
  Sphalerite R060636 
  ZnS 
  Gemological Institute of America 12 
  unknown 
  
           
 
  Sphalerite R100145 
  ZnS 
  William W. Pinch  
  Picos De Europa, Cantabria, Spain 
  
           
 
  Spherocobaltite R060497 
  Co(CO3 ) 
  Michael Scott S100046 
  Bou Azzer, Anti Atlas Mountains, Morocco 
  
           
 
  Spherocobaltite R140338 
  Co(CO3 ) 
  William Pinch  
  Kakanda, Shaba, Zaire 
  
           
 
  Spinel R050184 
  MgAl2 O4  
  Marcus Origlieri  
  Pein Pyit, Mogok, Burma 
  
           
 
  Spinel R050259 
  MgAl2 O4  
  Marcus Origlieri  
  Mogok, Burma 
  
           
 
  Spinel R050411 
  MgAl2 O4  
  Marcus Origlieri  
  Mogok, Burma 
  
           
 
  Spinel R050392 
  MgAl2 O4  
  Eric Van Valkenburg  
  Mogok, Burma 
  
           
 
  Spinel R060798 
  MgAl2 O4  
  George Rossman CIT-1244 
  Onentura mine, Camaguey Province, Cuba 
  
           
 
  Spinel R060799 
  MgAl2 O4  
  Marcus Origlieri  
  Aliabad, Hunza Valley, Pakistan 
  
           
 
  Spinel R070013 
  MgAl2 O4  
  Michael Scott S104538 
  Bo Phloi, Kanchoutabori Province, Thailand 
  
           
 
  Spinel X080013 
  MgAl2 O4  
  Gemological Institute of America 17612 
  Synthetic 
  
           
 
  Spinel X080014 
  MgAl2 O4  
  Gemological Institute of America 14105 
  Synthetic 
  
           
 
  Spinel R100133 
  MgAl2 O4  
  William W. Pinch  
  Sri Lanka 
  
           
 
  Spinel R110101 
  MgAl2 O4  
  Gemological Institute of America 10-12-2010-6 
  Synthetic 
  
           
 
  Spinel R120116 
  MgAl2 O4  
  Mark N. Feinglos  
  Bo Phloi, Kanfhoutabori Province,Thailand 
  
           
 
  Spiroffite R070744 
  Mn2+ 2 Te4+ 3 O8  
  Michael Scott S102660 
  Bambollita mine (Oriental mine), Moctezuma, Municipio de Moctezuma, Sonora, Mexico 
  
           
 
  Spodumene R040050 
  LiAlSi2 O6  
  University of Arizona Mineral Museum 12098 
  Minas Gerais, Brazil 
  
           
 
  Spodumene X050152 
  LiAlSi2 O6  
  G.R. Rossman 74 
  unknown 
  
           
 
  Spodumene X050153 
  LiAlSi2 O6  
  G.R. Rossman 1658 
  Pala, California, USA 
  
           
 
  Spodumene X050154 
  LiAlSi2 O6  
  P- 495 
  Brazil 
  
           
 
  Spodumene X050155 
  LiAlSi2 O6  
  RD Shannon 62047- 78 
  Nuristan, Pakistan 
  
           
 
  Spodumene R050252 
  LiAlSi2 O6  
  Marcus Origlieri  
  Minas Gerais, Brazil 
  
           
 
  Spodumene R060039 
  LiAlSi2 O6  
  University of Arizona Mineral Museum 16926 
  Black Hills, South Dakota, USA 
  
           
 
  Spurrite R050236 
  Ca5 (SiO4 )2 (CO3 ) 
  Marcus Origlieri  
  South Sister Peak, Luna County, New Mexico, USA 
  
           
 
  Spurrite R070632 
  Ca5 (SiO4 )2 (CO3 ) 
  Shinichi Kihara  
  Huka, Okayama, Japan 
  
           
 
  Srebrodolskite R130096 
  Ca2 Fe3+ 2 O5  
  Rock Currier  
  Kopeisk, South Ural, Russia 
  
           
 
  Stanevansite R220011 
  Mg(C2 H3 O3 )2 ·2H2 O 
  Warren Lazar  
  Western end of Pusch Ridge in the Santa Catalina Mountains, north of Tucson, Pima County, Arizona, USA 
  
           
 
  Stannite R050187 
  Cu2 FeSnS4  
  Marcus Origlieri and George Guanghua Liu  
  Yaogangxian mine, Yizhang County, Hunan Province, China 
  
           
 
  Stannoidite R160066 
  Cu8 (Fe,Zn)3 Sn2 S12  
  University of Arizona Mineral Museum 3169 
  Junction mine, Warren District, Cochise County, Arizona, USA 
  
           
 
  Starkeyite R060321 
  Mg(SO4 )·4H2 O 
  Michael Scott S100279 
  Epsom, Surrey, England 
  
           
 
  Starkeyite R070589 
  Mg(SO4 )·4H2 O 
  James Shigley  
  Basque Lake, near Ashcroft, British Columbia, Canada 
  
           
 
  Staurolite R050079 
  Fe2+ 2 Al9 Si4 O23 (OH) 
  Rock Currier  
  Keivy, Kola Peninsula, Russia 
  
           
 
  Staurolite R080120 
  Fe2+ 2 Al9 Si4 O23 (OH) 
  Shinichi Kihara  
  Bahia, Brazil 
  
           
 
  Steacyite R120037 
  K0.3 (Na,Ca)2 ThSi8 O20  
  Donald Doell  
  Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada 
  
           
 
  Steacyite R130053 
  K0.3 (Na,Ca)2 ThSi8 O20  
  Don Doell  
  Mont Saint-Hilaire, Rouville RCM, Monteregie, Quebec, Canada 
  
           
 
  Steenstrupine-(Ce) R100205 
  Na14 Ce6 Mn2+ 2 Fe3+ 2 Zr(PO4 )7 Si12 O36 (OH)2 ·3H2 O 
  Royal Ontario Museum K10061 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Stellerite R040174 
  Ca4 (Si28 Al8 )O72 ·28H2 O 
  University of Arizona Mineral Museum 10105 
  unknown 
  
           
 
  Stellerite X060015 
  Ca4 (Si28 Al8 )O72 ·28H2 O 
  University of Arizona Mineral Museum 14503 
  Sarbayskaya Quarry, Rudniy, Kusteni Oblast, Kazakhstan 
  
           
 
  Stellerite R060483 
  Ca4 (Si28 Al8 )O72 ·28H2 O 
  Michael Scott S100123 
  Sokolovskoye mine, Kustani Region, Kazakhstan 
  
           
 
  Stellerite R070535 
  Ca4 (Si28 Al8 )O72 ·28H2 O 
  James Shigley  
  Upper Clackamas River, Clackamas County, Oregon, USA 
  
           
 
  Stenhuggarite R080038 
  CaFe3+ Sb3+ As3+ 2 O7  
  Michael Scott S101880 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Stephanite R050143 
  Ag5 SbS4  
  Dave Bunk Minerals  
  Proano mine, Fresnillo, Zacatecas, Mexico 
  
           
 
  Stephanite R050306 
  Ag5 SbS4  
  Eugene Schlepp  
  Atlanta, Idaho, USA 
  
           
 
  Stephanite R050309 
  Ag5 SbS4  
  Eugene Schlepp  
  Sonora, Mexico 
  
           
 
  Sternbergite R110137 
  AgFe2 S3  
  William W. Pinch  
  Joachimsthal, Bohemia, Czechoslovakia 
  
           
 
  Stevensite R070332 
  (Ca,Na)x Mg3-y Si4 O10 (OH)2  
  Michael Scott S100959 
  Kovdor, Kola Peninsula, Russia 
  
           
 
  Stewartite R070643 
  Mn2+ Fe3+ 2 (PO4 )2 (OH)2 ·8H2 O 
  Michael Scott S101338 
  Hagendorf, Bavaria, Germany 
  
           
 
  Stibarsen R060115 
  SbAs 
  University of Arizona Mineral Museum 15215 
  Moctezuma, Sonora, Mexico 
  
           
 
  Stibarsen R070299 
  SbAs 
  James Shigley  
  Varutrask, Skelleftea, Vasterbotten, Sweden 
  
           
 
  Stibioclaudetite R080031 
  AsSbO3  
  William W Pinch  
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Stibiotantalite R050232 
  Sb3+ TaO4  
  Marcus Origlieri  
  Himalaya mine, Mesa Grande, San Diego County, California, USA 
  
           
 
  Stibiotantalite R050599 
  Sb3+ TaO4  
  Wayne Thompson  
  Shengus, Pakistan 
  
           
 
  Stibivanite R080125 
  Sb3+ 2 V4+ O5  
  William W. Pinch  
  Consolidated Durham mines, Lake George, York County, New Brunswick, Canada 
  
           
 
  Stibnite R050066 
  Sb2 S3  
  Rock Currier  
  Wuling, Jiangxi Province, China 
  
           
 
  Stibnite R050016 
  Sb2 S3  
  Eugene Schlepp  
  Romania 
  
           
 
  Stibnite R120137 
  Sb2 S3  
  Benjamin N. Schumer  
  Green Prospect, Churchill County, Nevada, USA 
  
           
 
  Stichtite R050328 
  Mg6 Cr2 (CO3 )(OH)16 ·4H2 O 
  Marcus Origlieri  
  Dundas, Tasmania, Australia 
  
           
 
  Stichtite R050475 
  Mg6 Cr2 (CO3 )(OH)16 ·4H2 O 
  California Institute of Technology W-20701 
  near Dundas, Tasmania, Australia 
  
           
 
  Stichtite R060675 
  Mg6 Cr2 (CO3 )(OH)16 ·4H2 O 
  Michael Scott S100268 
  Nevada Creek, Dundas, Tasmania, Australia 
  
           
 
  Stilbite-Ca R050012 
  NaCa4 (Si27 Al9 )O72 ·28H2 O 
  University of Arizona Mineral Museum 11419 
  Harborville, Nova Scotia, Canada 
  
           
 
  Stilbite-Ca R050106 
  NaCa4 (Si27 Al9 )O72 ·28H2 O 
  Fred Devito  
  Corea, Sonora, Mexico 
  
           
 
  Stillwellite-(Ce) R060899 
  CeBSiO5  
  Michael Scott S100968 
  Dara-i-Pioz, Alayskiy Range, South Tien- Shan Mountains, Tajikistan 
  
           
 
  Stillwellite-(Ce) R060911 
  CeBSiO5  
  Royal Ontario Museum M52515 
  Dimbulah, Queensland, Australia 
  
           
 
  Stilpnomelane R060334 
  (K,Ca,Na)(Fe,Mg,Al)8 (Si,Al)12 (O,OH)36 ·nH2 O 
  Michael Scott S100225 
  Blanchard Mountain, Skagit County, Washington, USA 
  
           
 
  Stilpnomelane R070696 
  (K,Ca,Na)(Fe,Mg,Al)8 (Si,Al)12 (O,OH)36 ·nH2 O 
  James Shigley  
  Brunsjo mine, Grythyttan, Vastmanland, Sweden 
  
           
 
  Stilpnomelane R110195 
  (K,Ca,Na)(Fe,Mg,Al)8 (Si,Al)12 (O,OH)36 ·nH2 O 
  Donald Doell  
  Broughton talc mine, Saint-Pierre-de-Broughton, Quebec, Canada 
  
           
 
  Stishovite R070183 
  SiO2  
  P. Dera  
  Synthetic 
  
           
 
  Stishovite R080042 
  SiO2  
  Jürgen Konzett  
  Synthetic at 15 GPa/1500ºC 
  
           
 
  Stokesite R060587 
  CaSnSi3 O9 ·2H2 O 
  Michael Scott S100785 
  Urucum mine, Galileia, Minas Gerais, Brazil 
  
           
 
  Stolzite X060016 
  Pb(WO4 ) 
  University of Arizona Mineral Museum 11125 
  Reef mine, Cochise County, Arizona, USA 
  
           
 
  Stolzite R050568 
  Pb(WO4 ) 
  University of Arizona Mineral Museum 13642 
  Broken Hill, New South Wales, Australia 
  
           
 
  Stolzite R070552 
  Pb(WO4 ) 
  James Shigley  
  Kangaloolah, Tuena, Georgiana County, New South Wales, Australia 
  
           
 
  Stolzite R130615 
  Pb(WO4 ) 
  Ron Gibbs  
  Reef mine, Cochise County, Arizona, USA 
  
           
 
  Stottite R120089 
  Fe2+ Ge(OH)6  
  William W Pinch  
  Tsumeb, Namibia 
  
           
 
  Straczekite R050325 
  (Ca,K,Ba)(V5+ ,V4+ )8 O20 ·3H2 O 
  Marcus Origlieri  
  Union Carbide mine, Wilson Springs, Garland County, Arkansas, USA 
  
           
 
  Strakhovite R080039 
  NaBa3 (Mn2+ ,Mn3+ )4 [Si4 O10 (OH)2 ][Si2 O7 ]O2 ·(F,OH)·H2 O 
  Michael Scott S100661 
  Dzhavodi Area, Ir-Nimi manganese deposit, Taikan Ridge, Khabarovskiy Kray, Far-Eastern Region, Russia 
  
           
 
  Strashimirite R060142 
  Cu4 (AsO4 )2 (OH)2 ·2.5H2 O 
  Marcus Origlieri  
  Majuba Hill, Pershing County, Nevada, USA 
  
           
 
  Strashimirite R060335 
  Cu4 (AsO4 )2 (OH)2 ·2.5H2 O 
  Michael Scott S100055 
  Burrus mine, Pyramid District, Washoe County, Nevada, USA 
  
           
 
  Strelkinite R070046 
  Na2 (UO2 )2 (VO4 )2 ·6H2 O 
  Michael Scott S105065 
  Basaral occurrence, southwest Balkhash region, Kazakhstan 
  
           
 
  Strengite R040177 
  Fe3+ (PO4 )·2H2 O 
  University of Arizona Mineral Museum 2450 
  Plegstein, Oberpfalz, Bavaria, Germany 
  
           
 
  Strengite R070590 
  Fe3+ (PO4 )·2H2 O 
  James Shigley  
  Foddersack Mountain, near Norman, Montgomery County, Arkansas, USA 
  
           
 
  Stringhamite R060934 
  CaCu(SiO4 )·H2 O 
  Bob Jenkins  
  Santos mine, Tierra Amarilla, Chile 
  
           
 
  Stringhamite R110018 
  CaCu(SiO4 )·H2 O 
  Bob Jenkins  
  Christmas mine, Gila County, Arizona, USA 
  
           
 
  Stromeyerite R060909 
  CuAgS 
  Royal Ontario Museum M16326 
  Gowganda, Ontario, Canada 
  
           
 
  Stromeyerite R060908 
  CuAgS 
  Royal Ontario Museum M39131 
  Cobalt, Ontario, Canada 
  
           
 
  Strontianite R040037 
  Sr(CO3 ) 
  University of Arizona Mineral Museum 7934 
  Alston Moor, Cumbria, England 
  
           
 
  Strontianite X050157 
  Sr(CO3 ) 
  Caltech  
  Fidalgo Island, Puget Sound, Washington, USA 
  
           
 
  Strontianite R050476 
  Sr(CO3 ) 
  California Institute of Technology W-20702 
  Fidalgo Island, Puget Sound, Washington, USA 
  
           
 
  Strontianite R050564 
  Sr(CO3 ) 
  Dave Bunk Minerals  
  Winfield Quarry, Lancaster County, Pennsylvania, USA 
  
           
 
  Strontiodresserite R070741 
  SrAl2 (CO3 )2 (OH)4 ·H2 O 
  Michael Scott S102245 
  Francon quarry, St. Michel District, Montréal, Jacques Cartier Co., Québec, Canada 
  
           
 
  Strontioginorite R110149 
  CaSrB14 O20 (OH)6 ·5H2 O 
  Donald M Doell and Brian Roulston  
  Potash Corporation of Saskatchewan mine, Penobsquis, Kings County, New Brunswick, Canada 
  
           
 
  Strontiohurlbutite R141104 
  SrBe2 (PO4 )2  
  Can Rao  
  Nanping No. 31 pegmatite, Fujian province, southeastern China 
  
           
 
  Strontiojoaquinite R060331 
  (Na,Fe)2 Ba2 Sr2 Ti2 (SiO3 )8 (O,OH)2 ·H2 O 
  Michael Scott S100043 
  Mina Numero Uno, San Benito County, California, USA 
  
           
 
  Strontiojoaquinite R070084 
  (Na,Fe)2 Ba2 Sr2 Ti2 (SiO3 )8 (O,OH)2 ·H2 O 
  James Shigley  
  Clear Creek area, San Benito County, California, USA 
  
           
 
  Strontioruizite R160085 
  Sr2 Mn3+ 2 Si4 O11 (OH)4 ·2H2 O 
  Bruce Cairncross  
  N’Chwaning III mine, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Strunzite R050619 
  Mn2+ Fe3+ 2 (PO4 )2 (OH)2 ·6H2 O 
  University of Arizona Mineral Museum 16075 
  Hagendorf, Germany 
  
           
 
  Struvite R050511 
  (NH4 )Mg(PO4 )·6H2 O 
  American Museum of Natural History 15490 
  Hamburg, Germany 
  
           
 
  Struvite R050540 
  (NH4 )Mg(PO4 )·6H2 O 
  University of Arizona Mineral Museum 4824 
  Hamburg, Germany 
  
           
 
  Stützite R060332 
  Ag5-x Te3  (x = 0.24-0.36) 
  Michael Scott S100049 
  Bambollita mine, Moctezuma District, Sonora, Mexico 
  
           
 
  Stützite R070701 
  Ag5-x Te3  (x = 0.24-0.36) 
  Michael Scott S101328 
  Klondike mine, Saguache County, Colorado, USA 
  
           
 
  Sugilite R070623 
  KNa2 Fe3+ 2 (Li3 Si12 )O30  
  Shinichi Kihara  
  Wessels mine, Kuruman, Kalahari Manganese Field, South Africa 
  
           
 
  Sugilite R130754 
  KNa2 Fe3+ 2 (Li3 Si12 )O30  
  Jaco and Tania Janse van Nieuwenhuizen  
  N'Chwaning III mine, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Sulfadoxine D120002 
  David Blake  
  Synthetic from Sigma 
  
           
 
  Sulfoborite R140689 
  Mg3 [B(OH)4 ]2 (SO4 )(OH,F)2  
  Rock Currier  
  Gröna mine, Bernburg, Stassfurt Potash Deposit, Saxony-Anhalt, Germany 
  
           
 
  Sulphohalite X050158 
  Na6 (SO4 )2 ClF 
  Caltech  
  Searles Lake, San Bernardino County, California, USA 
  
           
 
  Sulphohalite R050479 
  Na6 (SO4 )2 ClF 
  California Institute of Technology W-20707 
  Searles Lake, Trona, San Bernardino County, California, USA 
  
           
 
  Sulphur R040135 
  S 
  University of Arizona Mineral Museum 5818 
  Sicily, Italy 
  
           
 
  Sulphur R050006 
  S 
  Eugene Schlepp  
  San Felipe, Mexicali, Baja California Norte, Mexico 
  
           
 
  Sulvanite R060853 
  Cu3 VS4  
  Michael Scott S100889 
  Burra Burra, South Australia, Australia 
  
           
 
  Suolunite R060917 
  Ca2 Si2 O5 (OH)2 ·H2 O 
  Royal Ontario Museum M52459 
  Lac d'Amiante mine, Black Lake, Quebec, Canada 
  
           
 
  Suredaite R070191 
  PbSnS3  
  Renato and Adriana Pagano  
  Sector Oploco, Niv. 7/1, Mina Pirquitas, Jujuy, Argentina 
  
           
 
  Suredaite R070203 
  PbSnS3  
  Renato and Adriana Pagano  
  Sector Oploco, Niv. 7/1, Mina Pirquitas, Jujuy, Argentina 
  
           
 
  Surite R060794 
  (Pb,Ca)3 Al2 (Si,Al)4 O10 (CO3 )2 (OH)3 ·0.3H2 O 
  Bob Jenkins  
  Mammoth mine, Tiger, Arizona, USA 
  
           
 
  Surite R110145 
  (Pb,Ca)3 Al2 (Si,Al)4 O10 (CO3 )2 (OH)3 ·0.3H2 O 
  Joe Ruiz  
  Mammoth mine, Tiger, Arizona, USA 
  
           
 
  Sursassite R060336 
  Mn2+ 2 Al3 (SiO4 )(Si2 O7 )(OH)3  
  Michael Scott S100028 
  Strategic Manganese mine, near Woodstock, New Brunswick, Canada 
  
           
 
  Susannite R070704 
  Pb4 (SO4 )(CO3 )2 (OH)2  
  Michael Scott S102221 
  Boarezzo mine (Pradisci prospect; Rio Carpane prospect), Boarezzo, Varese Province, Lombardy, Italy 
  
           
 
  Sussexite R130121 
  Mn2+ BO2 (OH) 
  Rock Currier  
  Mine Hill, Franklin, Sussex County, New Jersey, USA 
  
           
 
  Suzukiite R150039 
  BaV4+ Si2 O7  
  Gunnar Farber  
  Gun Claim, Yukon Territory, Canada 
  
           
 
  Svabite R050180 
  Ca5 (AsO4 )3 F 
  Marcus Origlieri  
  Ultevis, Sweden 
  
           
 
  Svanbergite R050549 
  SrAl3 (SO4 )(PO4 )(OH)6  
  University of Arizona Mineral Museum 3049 
  Horrsjoberg, Varmland, Sweden 
  
           
 
  Svanbergite R060501 
  SrAl3 (SO4 )(PO4 )(OH)6  
  Michael Scott S100375 
  Dover mine, near Hawthorne, Mineral County, Nevada, USA 
  
           
 
  Swedenborgite R060486 
  NaBe4 Sb5+ O7  
  Michael Scott S100031 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Swinefordite R070707 
  Ca0.2 (Li,Al,Mg,Fe)3 (Si,Al)4 O10 (OH,F)2 ·nH2 O 
  Michael Scott S102226 
  Foote Lithium Co. mine, Kings Mountain District, Cleveland County, North Carolina, USA 
  
           
 
  Sylvanite R070504 
  AgAuTe4  
  James Shigley  
  Boulder County, Colorado, USA 
  
           
 
  Sylvite R050166 
  KCl 
  Marcus Origlieri  
  Salton Sea, Imperial County, California, USA 
  
           
 
  Symplesite R120074 
  Fe2+ 3 (AsO4 )2 ·8H2 O 
  Bob Jenkins  
  Saubachbruch, Muldenberg, Vogtland, Sachsen, Germany 
  
           
 
  Symplesite R130513 
  Fe2+ 3 (AsO4 )2 ·8H2 O 
  Rock Currier  
  Mapimi, Durango, Mexico 
  
           
 
  Synadelphite R080097 
  Mn2+ 9 (AsO4 )2 (AsO3 )(OH)9 ·2H2 O 
  William W Pinch  
  Moss mine, Nordmark, Varmland, Sweden 
  
           
 
  Synadelphite R170044 
  Mn2+ 9 (AsO4 )2 (AsO3 )(OH)9 ·2H2 O 
  UAMM 3017 
  Värmland, Sweden 
  
           
 
  Synchysite-(Ce) R060210 
  CaCe(CO3 )2 F 
  Royal Ontario Museum M42336 
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Synchysite-(Ce) R060971 
  CaCe(CO3 )2 F 
  Michael Scott S101312 
  Val Nalps, Tavetsch, Graubunden, Switzerland 
  
           
 
  Synchysite-(Y) R060984 
  CaY(CO3 )2 F 
  Michael Scott S101046 
  Scrub Oaks mine, near Dover, Morris County, New Jersey, USA 
  
           
 
  Syngenite R061002 
  K2 Ca(SO4 )2 ·H2 O 
  Michael Scott S101427 
  Kalush, Ukraine 
  
           
 
  Szaibélyite R060289 
  MgBO2 (OH) 
  Herb Obodda 099 
  Franklin, Sussex County, New Jersey, USA 
  
           
 
  Szaibélyite R060372 
  MgBO2 (OH) 
  Michael Scott S100050 
  Blind Mountain, Pioche, Lincoln County, Nevada, USA 
  
           
 
  Szaibélyite R070498 
  MgBO2 (OH) 
  James Shigley  
  Stinson Beach, Marin County, California, USA 
  
           
 
  Szenicsite R050146 
  Cu3 (MoO4 )(OH)4  
  Jim McGlasson  
  Jardinera mine, Inca del Oro, Chile 
  
           
 
  Szenicsite R100179 
  Cu3 (MoO4 )(OH)4  
  Joe Ruiz  
  Carlota mine, Pinto Creek, Gila, Arizona, USA 
  
           
 
  Szomolnokite R070620 
  Fe(SO4 )·H2 O 
  James Shigley  
  Oage mine, Ominato, Aomori-Ken, Honshu, Japan 
  
           
 
  Tadzhikite-(Ce) R060641 
  Ca4 Ce2 Ti◻(B4 Si4 O22 )(OH)2  
  Michael Scott S100826 
  Dara-i-Pioz Glacier, Alayskiy (Alai) Range, Tien Shan Mountains, Tajikistan 
  
           
 
  Tainiolite R061070 
  KLiMg2 Si4 O10 F2  
  Bob Downs  
  Mont Saint-Hilaire, Quebec, Canada 
  
           
 
  Takedaite R140795 
  Ca3 B2 O6  
  Rock Currier  
  Fuka mine, Bitchu-cho-fuka, Takahashi City, Okayama Prefecture, Chugoku Region, Honshu Island, Japan 
  
           
 
  Takéuchiite R100047 
  Mg2 Mn3+ O2 (BO3 ) 
  William W Pinch (Large sample), Don Doell (Small sample)  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Talc R040137 
  Mg3 Si4 O10 (OH)2  
  University of Arizona Mineral Museum 13208 
  Murphy, North Carolina, USA 
  
           
 
  Talc R050087 
  Mg3 Si4 O10 (OH)2  
  University of Arizona Mineral Museum 2342 
  St. Lawrence County, New York, USA 
  
           
 
  Talc R050058 
  Mg3 Si4 O10 (OH)2  
  Rock Currier  
  Murphy, North Carolina, USA 
  
           
 
  Talc X050159 
  Mg3 Si4 O10 (OH)2  
  CIT 14760 
  Bandeirantes de Mariana, Minas Gerais, Brazil 
  
           
 
  Talc X050160 
  Mg3 Si4 O10 (OH)2  
  CIT 12122 
  Old Talc mine, Chester, Vermont, USA 
  
           
 
  Talc X050161 
  Mg3 Si4 O10 (OH)2  
  Caltech  
  Nopah Range, Inyo County, California, USA 
  
           
 
  Talmessite R060369 
  Ca2 Mg(AsO4 )2 ·2H2 O 
  Michael Scott S100026 
  Gold Hill, Tooele County, Utah, USA 
  
           
 
  Talmessite R060830 
  Ca2 Mg(AsO4 )2 ·2H2 O 
  Michael Scott S101262 
  Bou Azzer, Morocco 
  
           
 
  Talmessite R080007 
  Ca2 Mg(AsO4 )2 ·2H2 O 
  William W. Pinch  
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Talnakhite R060389 
  Cu9 Fe8 S16  
  Michael Scott S100088 
  Oktyabrskiy mine, Talnakh, Noril'sk Region, Siberia, U.S.S.R. 
  
           
 
  Tamarugite R061060 
  NaAl(SO4 )2 ·6H2 O 
  Michael Scott S100782 
  El Desierto mine fumaroles, Potosí, Bolivia 
  
           
 
  Taneyamalite R070705 
  (Na,Ca)Mn2+ 12 (Si,Al)12 (O,OH)44  
  Michael Scott S102220 
  Taneyama mine, Kumamoto Prefecture, Kyushu Island, Japan 
  
           
 
  Tangeite R070489 
  CaCu(VO4 )(OH) 
  Bob Jenkins  
  Chinita mine, Tal Tal, Antofagasta Province, Chile 
  
           
 
  Taniajacoite R140945 
  SrCaMn3+ 2 Si4 O11 (OH)4 ·2H2 O 
  Jaco and Tania Janse van Nieuwenhuizen  
  N'Chwaning III mine, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Tantalite-(Fe) R070548 
  Fe2+ Ta2 O6  
  James Shigley  
  Grizzly Bear Gulch, Black Hills, Custer County, South Dakota, USA 
  
           
 
  Tantalite-(Mn) R050600 
  Mn2+ Ta2 O6  
  Wayne Thompson  
  Shengus, Pakistan 
  
           
 
  Tantalite-(Mn) R060252 
  Mn2+ Ta2 O6  
  William W. Pinch  
  Kohtokay mine, Xinjiang Autonomous Region, China 
  
           
 
  Tantalite-(Mn) R060415 
  Mn2+ Ta2 O6  
  Herb Obodda 108 
  Nuristan, Laghman Province, Afghanistan 
  
           
 
  Tapiaite R150032 
  Ca5 Al2 (AsO4 )4 (OH)4 ·12H2 O 
  Bob Jenkins  
  Jote mine, Pampa Larga district, Tierra Amarilla, Copiapo´ Province, Atacama Region, Chile 
  
           
 
  Tapiolite-(Fe) R050358 
  Fe2+ Ta2 O6  
  University of Arizona Mineral Museum 13767 
  Musgrave Ranges, South Australia, Australia 
  
           
 
  Tapiolite-(Fe) R110014 
  Fe2+ Ta2 O6  
  Luiz Menezes  
  Sapucaia do Norte district, Galileia, Minas Gerais, Brazil 
  
           
 
  Taramellite R110043 
  Ba4 (Fe3+ ,Ti)4 O2 [B2 Si8 O27 ]Clx  
  William W Pinch  
  Big Creek, Fresno County, California, USA 
  
           
 
  Taramellite R160011 
  Ba4 (Fe3+ ,Ti)4 O2 [B2 Si8 O27 ]Clx  
  Gunnar Färber  
  Gun claim, Yukon Territory, Canada 
  
           
 
  Taramite R061101 
  Na(NaCa)(Mg3 Al2 )(Si6 Al2 )O22 (OH)2  
  Michael Scott S101660 
  Monte Beigua, 11 km north of Varazze, Savona, Liguria, Italy 
  
           
 
  Taramite R070238 
  Na(NaCa)(Mg3 Al2 )(Si6 Al2 )O22 (OH)2  
  Michael Scott S105739 
  Ilmen Mts, Chelyabinsk Oblast', Urals Region, Russia 
  
           
 
  Taranakite R140802 
  K3 Al5 (PO3 OH)6 (PO4 )2 ·18H2 O 
  Rock Currier  
  Parwan lava caves, Bacchus Marsh, Victoria, Australia 
  
           
 
  Tarbagataite R130041 
  (K◻)CaFe2+ 7 Ti2 (Si4 O12 )2 O2 (OH)5  
  Elena Sokolova  
  Verkhnee Espe deposit, Akjailyautas Mountains, Kazakhstan 
  
           
 
  Tarbuttite R050621 
  Zn2 (PO4 )(OH) 
  University of Arizona Mineral Museum 13605 
  Broken Hill, Rhodesia 
  
           
 
  Tausonite X090004 
  SrTiO3  
  Gemological Institute of America 37794 
  Synthetic 
  
           
 
  Tavorite R070523 
  LiFe3+ (PO4 )(OH) 
  James Shigley  
  Bull Moose mine, Custer District, Custer County, South Dakota, USA 
  
           
 
  Tavorite R140258 
  LiFe3+ (PO4 )(OH) 
  Michael Scott S101093 
  Sandamap, Namibia 
  
           
 
  Tazzoliite R130042 
  Ba2 CaSr0.5 Na0.5 Ti2 Nb3 SiO17 [PO2 (OH)2 ]0.5  
  Fabrizio Nestola  
  Monte delle Basse, Euganei Hills, Galzignano Terme, Padova, Italy 
  
           
 
  Teallite R050434 
  PbSnS2  
  University of Arizona Mineral Museum 11031 
  Carhuaycollo, Carguaicollo District, Potosi, Bolivia 
  
           
 
  Teallite R060487 
  PbSnS2  
  Michael Scott S100329 
  Porvenir mine, Huanuni, Department of Oruro, Bolivia 
  
           
 
  Teineite R100206 
  Cu2+ (Te4+ O3 )·2H2 O 
  Rob Lavinsky/Evan Jones  
  Cole shaft, Bisbee, Cochise County, Arizona, USA 
  
           
 
  Tellurite R050285 
  TeO2  
  Marcus Origlieri  
  Mina Bambollita, Moctezuma, Sonora, Mexico 
  
           
 
  Tellurite R070606 
  TeO2  
  James Shigley  
  Moctezuma mine, Moctezuma, Sonora, Mexico 
  
           
 
  Tellurium R060136 
  Te 
  University of Arizona Mineral Museum 1235 
  Good Hope mine, Vulcan District, Gunnison County, Colorado, USA 
  
           
 
  Tellurium R070376 
  Te 
  Royal Ontario Museum M45787 
  North of Bennett Lake, Rainy River District, Ontario, Canada 
  
           
 
  Tellurobismuthite R060948 
  Bi2 Te3  
  Bob Jenkins  
  Little Ben mine, Matheson, Ontario, Canada 
  
           
 
  Tellurobismuthite R070158 
  Bi2 Te3  
  James Shigley  
  Boliden, Skelleftea, Vasterbotten, Sweden 
  
           
 
  Tengchongite R190032 
  Ca(UO2 )6 (MoO4 OH)2 O2 (OH)4 ·9H2 O 
  Guang Fan  
  Tengchong County, Yunnan Province, China. 
  
           
 
  Tengerite-(Y) R060480 
  Y2 (CO3 )3 ·2-3H2 O 
  Michael Scott S100058 
  Ytterby, Sweden 
  
           
 
  Tennantite-(Fe) R110024 
  Cu6 (Cu4 Fe2 )As4 S13  
  William Pinch  
  Quiruvilca, La Libertad Department, Peru 
  
           
 
  Tennantite-(Zn) R050438 
  Cu6 (Cu4 Zn2 )As4 S13  
  University of Arizona Mineral Museum 14712 
  Conception del Oro, Zecatecas, Mexico 
  
           
 
  Tennantite-(Zn) R050474 
  Cu6 (Cu4 Zn2 )As4 S13  
  California Institute of Technology W-20745 
  Daily Judge mine, Park City, Utah, USA 
  
           
 
  Tennantite-(Zn) R050558 
  Cu6 (Cu4 Zn2 )As4 S13  
  Dave Bunk Minerals  
  Casaplaca mine, Huarochiri Province, Lima Department, Peru 
  
           
 
  Tenorite R060978 
  CuO 
  Michael Scott S101316 
  Algomah, Michigan, USA 
  
           
 
  Tenorite R120076 
  CuO 
  Deng-Shiu Yang  
  Synthetic 
  
           
 
  Tephroite X050162 
  Mn2+ 2 (SiO4 ) 
  RD Shannon 56163- 106 
  
           
 
  Tephroite R060141 
  Mn2+ 2 (SiO4 ) 
  Marcus Origlieri  
  Franklin, New Jersey, USA 
  
           
 
  Tephroite R070511 
  Mn2+ 2 (SiO4 ) 
  Michael Scott S104417 
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Tephroite R100105 
  Mn2+ 2 (SiO4 ) 
  American Museum of Natural History 27450 
  Franklin, Sussex County, New Jersey, USA 
  
           
 
  Terlinguacreekite R060731 
  Hg2+ 3 O2 Cl2  
  Michael Scott S100033 
  Mariposa mine, Terlingua, Brewster County, Texas, USA 
  
           
 
  Terlinguaite R060492 
  Hg2 OCl 
  Michael Scott S100036 
  Mariposa mine, Terlingua Mining District, Brewster County, Texas, USA 
  
           
 
  Terlinguaite R140878 
  Hg2 OCl 
  Tom Loomis  
  Terlingua, Texas, USA 
  
           
 
  Ternesite R140779 
  Ca5 (SiO4 )2 (SO4 ) 
  Ch. and H. Schäfer  
  Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany 
  
           
 
  Terrywallaceite R100007 
  AgPb(Sb,Bi)3 S6  
  William Pinch  
  Level 390, Vein 14, Mina Herminia, Julcani District, Huancavelica, Peru 
  
           
 
  Tetradymite R110138 
  Bi2 Te2 S 
  William W. Pinch  
  Schubkau, Schemnitz, Hungary 
  
           
 
  Tetradymite R130067 
  Bi2 Te2 S 
  William W. Pinch  
  Oravica, Transylvania, Romania 
  
           
 
  Tetraferriphlogopite R140819 
  KMg3 (Si3 Fe3+ )O10 (OH)2  
  Rock Currier  
  Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Tetrahedrite-(Zn) R040164 
  Cu6 (Cu4 Zn2 )Sb4 S13  
  University of Arizona Mineral Museum 13961 
  Sunshine mine, Kellog, Idaho, USA 
  
           
 
  Tetrahedrite-(Zn) R050302 
  Cu6 (Cu4 Zn2 )Sb4 S13  
  Eugene Schlepp  
  Casapalca, Peru 
  
           
 
  Tetrahedrite-(Zn) R070423 
  Cu6 (Cu4 Zn2 )Sb4 S13  
  Michael Scott S104523 
  Tunnel Extension mine, Marysvale District (Marysvale Uranium area), Piute County, Utah, USA 
  
           
 
  Tetrahedrite-(Zn) R100204 
  Cu6 (Cu4 Zn2 )Sb4 S13  
  William W Pinch  
  Level 390, Vein 14, Mina Herminia, Julcani District, Huancavelica, Peru 
  
           
 
  Tetrataenite R140822 
  FeNi 
  Rock Currier  
  Toluca meteorite, Jiquipilco, Mexico 
  
           
 
  Tetrawickmanite R100003 
  Mn2+ Sn4+ (OH)6  
  William Pinch  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Tetrawickmanite R170046 
  Mn2+ Sn4+ (OH)6  
  Peter Megaw  
  Mina San Martin, Sombrerete, Zacatecas, Mexico 
  
           
 
  Thaumasite R060296 
  Ca3 Si(OH)6 (CO3 )(SO4 )·12H2 O 
  Herb Obodda 030 
  N'Chwaning II mine, Kalahari manganese field, Cape Province, South Africa 
  
           
 
  Thaumasite R060814 
  Ca3 Si(OH)6 (CO3 )(SO4 )·12H2 O 
  Michael Scott S101176 
  Crestmore Quarry, Riverside County, Jurupa Mountains, California, USA 
  
           
 
  Theisite R050326 
  Cu5 Zn5 (AsO4 )2 (OH)14  
  Marcus Origlieri  
  Tucker's Tunnel, Tuckerville, Hinsdale County, Colorado, USA 
  
           
 
  Theisite R060478 
  Cu5 Zn5 (AsO4 )2 (OH)14  
  Michael Scott S100021 
  near Grand Junction, Mesa County, Colorado, USA 
  
           
 
  Thénardite R040178 
  Na2 (SO4 ) 
  University of Arizona Mineral Museum 8627 
  Bonita Flow, Flagstaff, Coconino County, Arizona, USA 
  
           
 
  Thénardite R040183 
  Na2 (SO4 ) 
  University of Arizona Mineral Museum 6105 
  Camp Verde, Yavapai County, Arizona, USA 
  
           
 
  Theophrastite R070699 
  Ni(OH)2  
  Michael Scott S102620 
  Lord Brassey mine, Heazlewood, Tasmania, Australia 
  
           
 
  Thomasclarkite-(Y) R110186 
  NaY(HCO3 )(OH)3 ·4H2 O 
  Donald Doell  
  Mont Saint-Hilaire, Quebec, Canada 
  
           
 
  Thometzekite R060394 
  PbCu2+ 2 (AsO4 )2 ·2H2 O 
  Michael Scott S100226 
  Gold Hill, Tooele County, Utah, USA 
  
           
 
  Thometzekite R130618 
  PbCu2+ 2 (AsO4 )2 ·2H2 O 
  Mark N. Feinglos  
  Tsumeb mine, Tsumeb, Otjikoto Region, Namibia 
  
           
 
  Thomsenolite R050282 
  NaCaAlF6 ·H2 O 
  Marcus Origlieri  
  Ivigtut, Greenland 
  
           
 
  Thomsonite-Ca R050091 
  NaCa2 (Al5 Si5 )O20 ·6H2 O 
  Rock Currier  
  Amudikha River, near Mirny, Yakutia, Siberia, Russia 
  
           
 
  Thomsonite-Ca R050103 
  NaCa2 (Al5 Si5 )O20 ·6H2 O 
  Rock Currier  
  Seeberg, Bohemia, Czech Republic 
  
           
 
  Thorianite R060849 
  ThO2  
  Michael Scott S100914 
  Belafeno, Malagasy Republic 
  
           
 
  Thorianite R130003 
  ThO2  
  Don Doell  
  Millar's mine, Tory Hill, Monmouth Township, Haliburton County, Ontario, Canada 
  
           
 
  Thorite X050163 
  Th(SiO4 ) 
  Caltech  
  synthetic, grown by Boatner 
  
           
 
  Thorite X050164 
  Th(SiO4 ) 
  Caltech  
  Italy 
  
           
 
  Thortveitite R060360 
  Sc2 Si2 O7  
  Michael Scott S100034 
  Rossa, near Evje, southern Norway 
  
           
 
  Thortveitite R061065 
  Sc2 Si2 O7  
  Bob Downs  
  Synthetic 
  
           
 
  Tiemannite R050550 
  HgSe 
  Dave Bunk Minerals  
  Queretaro, Mexico 
  
           
 
  Tiemannite R060463 
  HgSe 
  Michael Scott S100029 
  Lucky Boy mine, Cottonwood Creek, Marysvale, Piute County, Utah, USA 
  
           
 
  Tilasite R050246 
  CaMg(AsO4 )F 
  Marcus Origlieri  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Tilasite R060618 
  CaMg(AsO4 )F 
  Michael Scott S100827 
  Cervandone, Italy 
  
           
 
  Tilleyite R050227 
  Ca5 Si2 O7 (CO3 )2  
  Marcus Origlieri  
  Crestmore Quarry, Riverside County, California, USA 
  
           
 
  Tin R060756 
  Sn 
  Michael Scott S101375 
  Aberfoil river, near Oban, New South Wales, Australia 
  
           
 
  Tinaksite R060375 
  K2 NaCa2 TiSi7 O18 (OH)O 
  Michael Scott S100019 
  Chara River area, Murun Massif, northwest Aldan, Siberia, U.S.S.R. 
  
           
 
  Tincalconite R050660 
  Na2 B4 O5 (OH)4 ·3H2 O 
  Marcus Origlieri  
  Boron, Kern County, California, USA 
  
           
 
  Tinsleyite R070706 
  KAl2 (PO4 )2 (OH)·2H2 O 
  Michael Scott S102504 
  Tip Top mine, Fourmile, Custer District, Custer County, South Dakota, USA 
  
           
 
  Tinticite R070682 
  Fe3+ 3 (PO4 )2 (OH)3 ·3H2 O 
  Michael Scott S100660 
  Tintic Standard mine, East Tintic District, East Tintic Mountainsts, Utah County, Utah, USA 
  
           
 
  Tinticite R190028 
  Fe3+ 3 (PO4 )2 (OH)3 ·3H2 O 
  Joan Rosell, Jordi Ibáñez (CSIC-ITJA), Tariq Jawhari (CCiTUB)  
  Rocabruna mines, Bruguers, Gavà, Baix Llobregat, Barcelona, Catalonia, Spain 
  
           
 
  Tintinaite R110046 
  Pb10 Cu2 Sb16 S35  
  Royal Ontario Museum M27173 
  Deer Park mine, Rossland, British Columbia, Canada 
  
           
 
  Tintinaite R110163 
  Pb10 Cu2 Sb16 S35  
  Big piece from Royal Ontario Museum (M37320) and two smaller pieces from Mark Feinglos.   
  Tintina Silver mine, Watson Lake, Yukon Territory, Canada 
  
           
 
  Tinzenite R050251 
  Ca2 Mn2+ 4 Al4 [B2 Si8 O30 ](OH)2  
  Marcus Origlieri  
  Tinzen, Sursass Valley, Switzerland 
  
           
 
  Tinzenite R110064 
  Ca2 Mn2+ 4 Al4 [B2 Si8 O30 ](OH)2  
  Renato & Adriana Pagano  
  Gambatesa mine, Val Graveglia, Genova, Italy 
  
           
 
  Tiptopite R070609 
  K2 (Li,Na,Ca)6 (Be6 P6 )O24 (OH)2 ·1.3H2 O 
  Dakota Matrix Minerals  
  Tip Top mine, Custer County, South Dakota, USA 
  
           
 
  Tiragalloite R130101 
  Mn2+ 4 As5+ Si3 O12 (OH) 
  Rock Currier  
  Molinello mine, Near Lavagna, Geona, Graveglia Valley, Italy 
  
           
 
  Tistarite R170055 
  Ti2 O3  
  Sarah Gain  
  Pyroclastic and alluvial deposits near Mount Carmel, Israel 
  
           
 
  Titanite R040033 
  CaTi(SiO4 )O 
  University of Arizona Mineral Museum 9799 
  Brazil 
  
           
 
  Titanite R050039 
  CaTi(SiO4 )O 
  University of Arizona Mineral Museum 2217 
  Kingman, Arizona, USA 
  
           
 
  Titanite R050114 
  CaTi(SiO4 )O 
  Syed Shah  
  Isthak Valley Iskardu, Northern Areas Gilgit, Pakistan 
  
           
 
  Titanite R050124 
  CaTi(SiO4 )O 
  Carlos and Paulo Vasconcelos  
  Capelinha, Minas Gerais, Brazil 
  
           
 
  Titanite R050472 
  CaTi(SiO4 )O 
  California Institute of Technology W-20771 
  Turner's Island, Lake Clear, Wadawaska, Ontario, Canada 
  
           
 
  Titanite R100025 
  CaTi(SiO4 )O 
  Ikram Mineralogy  
  Kharan, Balochistan, Pakistan 
  
           
 
  Titanite R100136 
  CaTi(SiO4 )O 
  William W. Pinch  
  Baja California, Mexico 
  
           
 
  Titanite R120030 
  CaTi(SiO4 )O 
  Donald Doell  
  Zagi Mountain, Hameed Abad Kafoor Dheri, Peshawar, Khyber Pakhtunkhwa, Pakistan 
  
           
 
  Titanowodginite R061033 
  Mn2+ TiTa2 O8  
  Michael Scott S101303 
  Tanco pegmatite, Manitoba, Canada 
  
           
 
  Titantaramellite R060315 
  Ba4 (Ti,Fe3+ ,Mg)4 (O,OH)2 [B2 Si8 O27 ]Clx  
  Michael Scott S100198 
  Esquire #1 claim, Rush Creek, Fresno County, California, USA 
  
           
 
  Titantaramellite R080041 
  Ba4 (Ti,Fe3+ ,Mg)4 (O,OH)2 [B2 Si8 O27 ]Clx  
  Michael Scott S101342 
  La Madrelena mine, Tres Pozos, Municipio de Tecate, Baja California Norte, Mexico 
  
           
 
  Tlapallite R060888 
  (Ca,Pb)3 CaCu6 [Te4+ 3 Te6+ O12 ]2 (Te4+ O3 )2 (SO4 )2 ·3H2 O 
  Bob Jenkins  
  La Oriental mine, Moctezuma, Sonora, Mexico 
  
           
 
  Tobermorite R060147 
  Ca4 Si6 O17 (H2 O)2 ·(Ca·3H2 O) 
  University of Arizona Mineral Museum 8770 
  Crestmore Quarries, Riverside County, California 
  
           
 
  Tochilinite R060887 
  6(Fe0.9 S)·5[(Mg,Fe)(OH)2 ] 
  Bob Jenkins  
  Cornwall, Pennsylvania, USA 
  
           
 
  Tocornalite R070693 
  (Ag,Hg)I (?) 
  Michael Scott S102939 
  Block 14 Opencut, Broken Hill, Yancowinna Co., New South Wales, Australia 
  
           
 
  Todorokite R070257 
  (Na,Ca,K,Ba,Sr)1-x (Mn,Mg,Al)6 O12 ·3-4H2 O 
  Michael Scott S102940 
  Todoroki mine, Shiribeshi Province, Hokkaido Island, Japan 
  
           
 
  Tokkoite R140848 
  K2 Ca4 Si7 O18 (OH)F 
  Rock Currier  
  Magistral'nyi Area, Sirenevyi Kamen' Deposit, Murunskii Massif, Chara And Tokko Rivers Confluence, Aldan Shield, Sakha Republic, Eastern-Siberian Region, Russia 
  
           
 
  Tolovkite R070110 
  IrSbS 
  Michael Scott S105125 
  placer from Ust-Belsky Massif, Korjak Highand, Russia 
  
           
 
  Tomichite R070708 
  V3+ 4 Ti4+ 3 As3+ O13 (OH) 
  Michael Scott S100545 
  Hemlo Mines, Hemlo gold deposit, Marathon, Thunder Bay District, Ontario, Canada 
  
           
 
  Tomichite R070685 
  V3+ 4 Ti4+ 3 As3+ O13 (OH) 
  Michael Scott S102625 
  Hemlo mines, Hemlo gold deposit, Marathon, Thunder Bay District, Ontario, Canada 
  
           
 
  Tooeleite R140852 
  Fe3+ 6 (AsO3 )4 (SO4 )(OH)4 ·4H2 O 
  Rock Currier  
  U.S. mine, Gold Hill, Gold Hill District, Deep Creek Mts, Tooele County, Utah, USA 
  
           
 
  Topaz R040121 
  Al2 SiO4 F2  
  University of Arizona Mineral Museum 15679 
  Tepetate, San Luis Potosi, Mexico 
  
           
 
  Topaz R050176 
  Al2 SiO4 F2  
  Marcus Origlieri  
  Jos Plateau, Nigeria 
  
           
 
  Topaz R050199 
  Al2 SiO4 F2  
  Marcus Origlieri  
  Madagascar 
  
           
 
  Topaz R050200 
  Al2 SiO4 F2  
  Marcus Origlieri  
  Jos Plateau, Nigeria 
  
           
 
  Topaz X050165 
  Al2 SiO4 F2  
  RD Shannon 62047- 102 
  unknown 
  
           
 
  Topaz R050404 
  Al2 SiO4 F2  
  Gerry Gibbs  
  Minas Gerais, Brazil 
  
           
 
  Topaz R050405 
  Al2 SiO4 F2  
  Gerry Gibbs  
  Amelia, Virginia, USA 
  
           
 
  Topaz R060024 
  Al2 SiO4 F2  
  Eric Van Valkenburg  
  Antonio Peireira Topaz mine, Minas Gerais, Brazil, GPS coordinates: 20 18 18 S, 43 28 37 W, 2697 ASL 
  
           
 
  Topaz R060026 
  Al2 SiO4 F2  
  Eric Van Valkenburg  
  Capao Topaz mine, Minas Gerais, Brazil, GPS Coordinates: 20 25 58 S, 43 38 25 W, 3694 ft. ASL 
  
           
 
  Tourmaline R060123 
  University of Arizona Mineral Museum 2268 
  San Bernardino County, California, USA 
  
           
 
  Tourmaline R080010 
  www.multicolour.com  
  east Africa 
  
           
 
  Tourmaline R070563 
  Gemological Institute of America  30855  
  unknown 
  
           
 
  Tourmaline R110131 
  Bart Cannon  
  Bald Hornet area, King County, Washington, USA 
  
           
 
  Tourmaline R110132 
  Bart Cannon  
  Blue Mountain Saddle, King County, Washington, USA 
  
           
 
  Tourmaline R110133 
  Bart Cannon  
  Crystal Palace, King County, Washington, USA 
  
           
 
  Traskite R060706 
  Ba21 Ca(Fe2+ ,Mn,Ti)4 (Ti,Fe,Mg)12 (Si12 O36 )(Si2 O7 )6 (O,OH)30 Cl6 ·14H2 O 
  Michael Scott S101208 
  Esquire no. 1 mine, Rush Creek, Fresno County, California, United States 
  
           
 
  Trattnerite R060623 
  Fe3+ 2 (Mg3 Si12 )O30  
  Michael Scott S100821 
  Stradner Kogel Mountain, Wilhelmsdorf, Bad Gleichenberg, Styria, Austria 
  
           
 
  Trechmannite R130062 
  AgAsS2  
  William W. Pinch  
  Lengenbach quarry, Imfeld, Binn Valley, Wallis, Switzerland 
  
           
 
  Trembathite R070756 
  Mg3 B7 O13 Cl 
  Michael Scott S104098 
  Salt Springs deposit, Sussex, Kings Co., New Brunswick, Canada 
  
           
 
  Tremolite R040045 
  ◻Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2  
  University of Arizona Mineral Museum 5906 
  Gouverneur, New York, USA 
  
           
 
  Tremolite R040109 
  ◻Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2  
  University of Arizona Mineral Museum 14820 
  Cassiar, British Columbia, Canada 
  
           
 
  Tremolite R050167 
  ◻Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2  
  Marcus Origlieri  
  Hunza Valley, Afghanistan 
  
           
 
  Tremolite R050173 
  ◻Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2  
  Marcus Origlieri  
  Fort Dauphin, Madagascar 
  
           
 
  Tremolite R050210 
  ◻Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2  
  Lloyd Twaites  
  Sugar Lake, Cherryville, British Columbia, Canada 
  
           
 
  Tremolite X050167 
  ◻Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2  
  G.R. Rossman 231 
  Gouvernour, New York 
  
           
 
  Tremolite X050168 
  ◻Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2  
  CIT 13696 
  Passo Cadonighino, Switzerland 
  
           
 
  Tremolite X050169 
  ◻Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2  
  CIT 8038 
  Mt. Bity, Madagascar 
  
           
 
  Tremolite X050170 
  ◻Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2  
  CIT 321 
  Canaan, Connecticut, USA 
  
           
 
  Tremolite X050171 
  ◻Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2  
  CIT 290 
  St. Lawrence County, New York, USA 
  
           
 
  Tremolite X050172 
  ◻Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2  
  CIT 4924 
  Macomb, New York, USA 
  
           
 
  Tremolite X050173 
  ◻Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2  
  G.R. Rossman 1035 
  Haliburton, Ontario, Canada 
  
           
 
  Tremolite R050498 
  ◻Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2  
  California Institute of Technology W-21014 
  Inyo County, California, USA 
  
           
 
  Tremolite R060311 
  ◻Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2  
  Herb Obodda 005 
  Khyber Pass area, Khyber Agency, North-West Frontier Province, Pakistan 
  
           
 
  Tremolite R061087 
  ◻Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2  
  Michael Scott S101178 
  Turret, Chaffee County, Colorado, USA 
  
           
 
  Tremolite R070422 
  ◻Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2  
  Steve Ulatowski  
  Merilani Hills, Arusha, Tanzania 
  
           
 
  Tremolite R150094 
  ◻Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2  
  UAMM 9512  
  Belmat, St. Lawrence Co., New York, USA 
  
           
 
  Trevorite R140860 
  NiFe3+ 2 O4  
  Rock Currier  
  Bon Accord, Barberton District, Mpumalanga Province, South Africa 
  
           
 
  Trevorite R150038 
  NiFe3+ 2 O4  
  Gunnar Farber  
  Agios Konstantinos, Lavrion District slag localities, Attikí Prefecture, Greece 
  
           
 
  Triangulite R140862 
  Al3 (UO2 )4 (PO4 )4 (OH)5 ·5H2 O 
  Rock Currier  
  Kobokobo pegmatite, Lusungu River District, Sud-Kivu, Democratic Republic Of Congo 
  
           
 
  Tridymite R040143 
  SiO2  
  University of Arizona Mineral Museum 12643 
  Big Lue Mountain, Highway 78, Greenlee County, Arizona, USA 
  
           
 
  Tridymite R090042 
  SiO2  
  Dante Lauretta  
  The Fukang Pallasite meteorite, Gobi Desert, China, found in 2001 
  
           
 
  Tridymite R090063 
  SiO2  
  Devin L. Schrader and Dante S. Lauretta  
  Mount Howe 88403 meteorite, likely formed during impact on a chondritic-parent body 
  
           
 
  Tridymite R160073 
  SiO2  
   PDA0058 20151002 
  Synthetic 
  
           
 
  Trigonite R100050 
  Pb3 Mn2+ (AsO3 )2 (AsO2 OH) 
  William W Pinch  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Trilithionite R040101 
  KLi1.5 Al1.5 (Si3 Al)O10 F2  
  University of Arizona Mineral Museum 13619 
  Zambezi Region, Mozambique 
  
           
 
  Trilithionite R040105 
  KLi1.5 Al1.5 (Si3 Al)O10 F2  
  University of Arizona Mineral Museum 5528 
  Brown Derby mine, Ohio City, Gunnison County, Colorado, USA 
  
           
 
  Trilithionite R050486 
  KLi1.5 Al1.5 (Si3 Al)O10 F2  
  California Institute of Technology W-21082 
  Cotopaxie, Colorado, USA 
  
           
 
  Trilithionite R060004 
  KLi1.5 Al1.5 (Si3 Al)O10 F2  
  Bob Downs  
  Mount Begbie, Revelstoke, British Columbia, Canada 
  
           
 
  Trinitite R160072 
  Jeremy Yeak  
  Fireball area of the first atomic bomb detonation at the Trinity test site, White Sands Missile Range, New Mexico, USA 
  
           
 
  Triphylite R050257 
  LiFe2+ (PO4 ) 
  Marcus Origlieri  
  Palermo mine, North Groton, Grafton County, New Hampshire, USA 
  
           
 
  Triphylite R050366 
  LiFe2+ (PO4 ) 
  Marcus Origlieri  
  Cornelia mine, Hagendorf, Bavaria, Germany 
  
           
 
  Triphylite R050424 
  LiFe2+ (PO4 ) 
  John Lucking  
  Karibib, Namibia 
  
           
 
  Triphylite R050494 
  LiFe2+ (PO4 ) 
  California Institute of Technology W-20810 
  Big Chief mine, Glendale, Pennington County, South Dakota, USA 
  
           
 
  Triphylite R050624 
  LiFe2+ (PO4 ) 
  Gemological Center  
  Minas Gerais, Brazil 
  
           
 
  Triphylite R100156 
  LiFe2+ (PO4 ) 
  William W. Pinch  
  Conselheira Pena, Minas Geraìs, Brazil 
  
           
 
  Triplite R050186 
  Mn2+ 2 (PO4 )F 
  John Lucking  
  Wuzhou, Guangxi Autonomous Region, China 
  
           
 
  Triplite R050226 
  Mn2+ 2 (PO4 )F 
  Marcus Origlieri  
  Fremont County, Colorado, USA 
  
           
 
  Triplite R050615 
  Mn2+ 2 (PO4 )F 
  University of Arizona Mineral Museum 3010 
  Vienna, Austria 
  
           
 
  Triplite R060743 
  Mn2+ 2 (PO4 )F 
  Herb Obodda 098 
  Shigar Valley, northeast of Skardu, Baltistan, Pakistan 
  
           
 
  Triplite R060935 
  Mn2+ 2 (PO4 )F 
  Herb Obodda  
  near Alchuri, Shigar Valley, Pakistan 
  
           
 
  Triplite R070645 
  Mn2+ 2 (PO4 )F 
  Dudley Blauwet Gems  
  10 km east of Shah Nassir Peak, Braldu Valley, Baltistan, Northern Areas, Pakistan 
  
           
 
  Tripuhyite R070383 
  Fe3+ Sb5+ O4  
  Michael Scott S104750 
  Cetine mine, Chiusdino, Siena Province, Tuscany, Italy 
  
           
 
  Tritomite-(Ce) R060046 
  Ce5 (SiO4 ,BO4 )3 (OH,O) 
  University of Arizona Mineral Museum 16138 
  Langesundfjord, Norway 
  
           
 
  Tritomite-(Ce) R060370 
  Ce5 (SiO4 ,BO4 )3 (OH,O) 
  Michael Scott S100018 
  Norra Karr Complex, near Granna, Ostergotsland, Sweden 
  
           
 
  Troilite R070242 
  FeS 
  Michael Scott S104076 
  Union Mine (Salt Lake-California Mine), Low Divide District, Del Norte County, California, USA 
  
           
 
  Troilite R070213 
  FeS 
  Michael Scott S104111 
  Bjurbole Borga, Nyland, Finland 
  
           
 
  Trolleite R050425 
  Al4 (PO4 )3 (OH)3  
  Marcus Origlieri  
  Halsjoberg, Varmland, Sweden 
  
           
 
  Trolleite R050545 
  Al4 (PO4 )3 (OH)3  
  University of Arizona Mineral Museum 9814 
  near Laws, Mono County, California, USA 
  
           
 
  Trona R050228 
  Na3 (HCO3 )(CO3 )·2H2 O 
  Marcus Origlieri  
  Stauffer mine, Green River, Wyoming, USA 
  
           
 
  Trona R050499 
  Na3 (HCO3 )(CO3 )·2H2 O 
  California Institute of Technology W-20820 
  Searles Lake, Trona, San Bernardino County, California, USA 
  
           
 
  Tsaregorodtsevite R060033 
  N(CH3 )4 Si4 (SiAl)O12  
  University of Arizona Mineral Museum 16838 
  Yaruta, Man-Hambo Mountain Range, North Urals, Russia 
  
           
 
  Tsaregorodtsevite R060373 
  N(CH3 )4 Si4 (SiAl)O12  
  Michael Scott S100284 
  Mun-Hambo, north Urals, Hanty- Manskiisky, Autonomous District, Russia 
  
           
 
  Tschermigite R050276 
  (NH4 )Al(SO4 )2 ·12H2 O 
  Marcus Origlieri  
  near Wamsutter, Wyoming, USA 
  
           
 
  Tschernichite R060482 
  CaAl2 Si6 O16 ·8H2 O 
  Michael Scott S100030 
  Neer Road Pit, Goble, Columbia County, Oregon, USA 
  
           
 
  Tsepinite-Ca R060833 
  (Ca,K,Na)2-x (Ti,Nb)2 (Si4 O12 )(OH,O)2 ·4H2 O 
  Michael Scott S101008 
  Hackmann Valley, Yukspor Mountain, Khibiny, Kola, Russia 
  
           
 
  Tsepinite-K R070215 
  (K,Ba,Na)2 (Ti,Nb)2 (Si4 O12 )(OH,O)2 ·3H2 O 
  Michael Scott S100460 
  Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaya Oblast'; Northern Region, Russia 
  
           
 
  Tsepinite-Na R070241 
  (Na,H3 O,K,Sr,Ba,◻)2 (Ti,Nb)2 (Si4 O12 )(OH,O)2 ·3H2 O 
  Michael Scott S100450 
  Lepkhe-Nel'm Mt. (Lepkhe-Nelm Mt.), Seidozero Lake, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Tsumcorite R060081 
  PbZn2 (AsO4 )2 ·2H2 O 
  Marcus Origlieri  
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Tsumcorite R100185 
  PbZn2 (AsO4 )2 ·2H2 O 
  Marcus Origlieri  
  Mina Ojuela (Campo Sur), Mapimi, Durango, Mexico 
  
           
 
  Tsumcorite R110036 
  PbZn2 (AsO4 )2 ·2H2 O 
  William W Pinch  
  Tsumeb, Namibia 
  
           
 
  Tsumebite R070446 
  Pb2 Cu(PO4 )(SO4 )(OH) 
  Joe Ruiz  
  Tiger mine, Collins Vein, Tiger, Arizona, USA 
  
           
 
  Tsumebite R080020 
  Pb2 Cu(PO4 )(SO4 )(OH) 
  William W. Pinch  
  Mex-Tex mine, Bingham, Hansonburg District, Socorro County, New Mexico, USA 
  
           
 
  Tsumgallite R100125 
  GaO(OH) 
  William W. Pinch  
  Tsumeb, Namibia 
  
           
 
  Tsumoite R080089 
  BiTe 
  Michael Scott S104089 
  Sredniy Skarn, Tyrnyauz Mo-W Deposit, Baksan Valley, Kabardino-Balkarian Republic, Northern Caucasus Region, Russia 
  
           
 
  Tugarinovite R100218 
  MoO2  
  Mike Carducci, Climax Molybdenum Technology Center   
  Mining concentrate 
  
           
 
  Tugtupite R050278 
  Na4 BeAlSi4 O12 Cl 
  Marcus Origlieri  
  Kvanefjeld, Ilimaussag, Greenland 
  
           
 
  Tugtupite R050562 
  Na4 BeAlSi4 O12 Cl 
  Dave Bunk Minerals  
  Kvanefjeld, Ilimaussag, Greenland 
  
           
 
  Tuite R120115 
  Ca3 (PO4 )2  
  Shuangmeng Zhai and Xiande Xie  
  Synthetic, at P = 15 GPa and T = 1300 deg C 
  
           
 
  Tumchaite R070047 
  Na2 ZrSi4 O11 ·2H2 O 
  Michael Scott S105124 
  Vuoriyarvi Massif, Murmansk region, Russia 
  
           
 
  Tundrite-(Ce) R060837 
  Na2 Ce2 TiO2 (SiO4 )(CO3 )2  
  Michael Scott S100907 
  Barkeviksjaer, Norway 
  
           
 
  Tundrite-(Ce) R130563 
  Na2 Ce2 TiO2 (SiO4 )(CO3 )2  
  Don Doell  
  Poudrette quarry, Mount St. Hilaire, Quebec, Canada 
  
           
 
  Tundrite-(Ce) R130564 
  Na2 Ce2 TiO2 (SiO4 )(CO3 )2  
  Rock Currier  
  Ilimaussaq complex, Narsaq, Kitaa, Greenland 
  
           
 
  Tundrite-(Nd) R130565 
  Na2 Nd2 TiO2 (SiO4 )(CO3 )2  
  Rock Currier  
  Ilimaussaq complex, Narsaq, Kitaa, Greenland 
  
           
 
  Tunellite R050283 
  SrB6 O9 (OH)2 ·3H2 O 
  Marcus Origlieri  
  Boron, Kern County, California, USA 
  
           
 
  Tunellite R070755 
  SrB6 O9 (OH)2 ·3H2 O 
  Michael Scott S103452 
  Jennifer mine, U.S. Borax Mine, Boron, Kramer District, Kern County, California, USA 
  
           
 
  Tungstenite R070616 
  WS2  
  James Shigley  
  Emma mine, Little Cottonwood Canyon, Salt Lake County, Utah, USA 
  
           
 
  Tungstite R050452 
  WO3 ·H2 O 
  University of Arizona Mineral Museum 13415 
  Sinaloa (near shared border with Chihuahua and Durango), Mexico 
  
           
 
  Tungusite R070757 
  Ca14 Fe2+ 9 Si24 O60 (OH)22  
  Michael Scott S104118 
  Nizhnyaya Tunguska River Basin (Lower Tunguska River), Evenkia (Evenkiyskiy Autonomous okrug), Krasnoyarsk Territory (Krasnoyarsk Kray; Krasnoyarskii Krai), Eastern-Siberian Region, Russia 
  
           
 
  Tunisite R060776 
  NaCa2 Al4 (CO3 )4 (OH)8 Cl 
  Michael Scott S101114 
  Condorcet, Drome, France 
  
           
 
  Tuperssuatsiaite R050223 
  Na2 (Fe3+ ,Mn2+ )3 Si8 O20 (OH)2 ·4H2 O 
  Marcus Origlieri  
  Aris phonolite, Windhoek, Namibia 
  
           
 
  Turkestanite R060525 
  (K,◻)(Ca,Na)2 ThSi8 O20 ·nH2 O 
  Michael Scott S100210 
  DeMix Quarry, Mont St. Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Turneaureite R070758 
  Ca5 (AsO4 )3 Cl 
  Michael Scott S104122 
  ZCA mine No. 4 (St Joe mine), Balmat, Balmat-Edwards Zinc District, St Lawrence County, New York, USA 
  
           
 
  Turquoise R050225 
  CuAl6 (PO4 )4 (OH)8 ·4H2 O 
  Marcus Origlieri  
  Badger Prospect, Lander County, Nevada, USA 
  
           
 
  Turquoise R050418 
  CuAl6 (PO4 )4 (OH)8 ·4H2 O 
  Marcus Origlieri  
  Panoche Valley, San Benito County, California, USA 
  
           
 
  Turquoise R050554 
  CuAl6 (PO4 )4 (OH)8 ·4H2 O 
  Dave Bunk Minerals  
  Bishop mine, Lynch Station, Campbell County, Virginia, USA 
  
           
 
  Turtmannite R070089 
  Mn25 O5 (VO4 )3 (SiO4 )3 (OH)20  
  Michael Scott S105123 
  Pipjigletscher, Turtmanntal, Wallis, Switzerland 
  
           
 
  Tuscanite R050324 
  KCa6 (Si,Al)10 O22 (SO4 ,CO3 )2 (OH)·H2 O 
  Marcus Origlieri  
  Valle Biachella, Sacrofano, Roma, Lazio, Italy 
  
           
 
  Tuzlaite R120036 
  NaCaB5 O8 (OH)2 ·3H2 O 
  Bob Jenkins  
  Tuzla mine, Tuzla, Tuzla Canton, Federation of Bosnia and Herzegovina, Bosnia and Herzegovina 
  
           
 
  Tvalchrelidzeite R061128 
  Hg3 SbAsS3  
  Michael Scott S105127 
  Gomi deposit, Rioni River Valley, Caucacus Mountains, Georgia 
  
           
 
  Tveitite-(Y) R060895 
  (Y,Na)6 (Ca,Na,REE)12 (Ca,Na)F42  
  Michael Scott S100983 
  Rov-Gora, West Keivy, Kola Peninsula, Russia 
  
           
 
  Tweddillite R120125 
  CaSrMn3+ 2 Al(Si2 O7 )(SiO4 )O(OH) 
  William W. Pinch  
  Wessels mine, Kalahari manganese field, Cape Province, South Africa 
  
           
 
  Tychite R050218 
  Na6 Mg2 (CO3 )4 (SO4 ) 
  Marcus Origlieri  
  Searles Lake, Trona, San Bernardino County, California, USA 
  
           
 
  Tychite R060700 
  Na6 Mg2 (CO3 )4 (SO4 ) 
  Michael Scott S100041 
  Borax Lake, Lake County, California 
  
           
 
  Tyrolite R050231 
  Ca2 Cu9 (AsO4 )4 (CO3 )(OH)8 ·11H2 O 
  Marcus Origlieri  
  Tyrol, Austria 
  
           
 
  Tyrolite R050571 
  Ca2 Cu9 (AsO4 )4 (CO3 )(OH)8 ·11H2 O 
  University of Arizona Mineral Museum 8693 
  Penamellera, Spain 
  
           
 
  Tyrolite R060264 
  Ca2 Cu9 (AsO4 )4 (CO3 )(OH)8 ·11H2 O 
  Michael Scott S100064 
  Lovelock mine, Bolivia, Cottonwood Canyon, Churchill County, Nevada, USA 
  
           
 
  Tyrrellite R060481 
  Cu(Co,Ni)2 Se4  
  Michael Scott S100238 
  Eagle Claims, near Hal Lake, Beaverlodge Lake area, Saskatchewan, Canada 
  
           
 
  Tyuyamunite R060983 
  Ca(UO2 )2 (VO4 )2 ·5-8H2 O 
  Bob Jenkins  
  Ridenour mine, Coconino, Arizona, USA 
  
           
 
  Tyuyamunite R070232 
  Ca(UO2 )2 (VO4 )2 ·5-8H2 O 
  Michael Scott S105983 
  Tyuya-Muyun Cu-V-U Deposit, Tyuya-Muyun Hill, Fergana Valley, Osh Oblast, Kyrgyzstan 
  
           
 
  Uchucchacuaite R070760 
  AgMnPb3 Sb5 S12  
  Michael Scott S106059 
  Inakuraishi mine, Shakotan peninsula, Shiribeshi Province, Hokkaido Island, Japan 
  
           
 
  Uchucchacuaite R100213 
  AgMnPb3 Sb5 S12  
  Mark N. Feinglos  
  Uchuc-Chacua, Lima, Peru 
  
           
 
  Ulexite R050062 
  NaCaB5 O6 (OH)6 ·5H2 O 
  Rock Currier  
  California, USA 
  
           
 
  Ulexite X050174 
  NaCaB5 O6 (OH)6 ·5H2 O 
  Caltech  
  Boron, California, USA 
  
           
 
  Ulexite R050491 
  NaCaB5 O6 (OH)6 ·5H2 O 
  California Institute of Technology W-20891 
  Open Pit mine, Boron, Kern County, California, USA 
  
           
 
  Ullmannite R050247 
  NiSbS 
  Marcus Origlieri  
  Salchendorf, Siegerland, North Rhine-Westphalia, Germany 
  
           
 
  Ullmannite R070541 
  NiSbS 
  James Shigley  
  Oms, Pyrennes Mountains, Spain 
  
           
 
  Ulrichite R070748 
  CaCu(UO2 )(PO4 )2 ·4H2 O 
  Royal Ontario Museum M52951 
  Lake Boga Quarry, Lake Boga, Victoria, Australia 
  
           
 
  Umangite R070019 
  Cu3 Se2  
  Mark Mauthner 3340 
  Ato Bay, Beaverlodge Lake, Saskatchewan, Canada 
  
           
 
  Umohoite R061135 
  (UO2 )(MoO4 )·2H2 O 
  Michael Scott S105129 
  Kyzulsai Mo-U deposit, south Kazakhstan 
  
           
 
  unknown D120012 
  David Blake  
  Synthetic 
  
           
 
  Uralborite R061140 
  CaB2 O2 (OH)4  
  Michael Scott S105128 
  Fuka mine, Bicchu-cho, Okayama Prefecture, Japan 
  
           
 
  Uralolite R070749 
  Ca2 Be4 (PO4 )3 (OH)3 ·5H2 O 
  Michael Scott S101629 
  Spodumene prospect (Brandrücken exploration adit), Brandrücken, Moschkogel Mt. - Weinebene area, Koralpe Mts, Carinthia, Austria 
  
           
 
  Uramarsite R061122 
  (NH4 )(UO2 )(AsO4 )·3H2 O 
  Michael Scott S105121 
  Bota-Burum Uranium deposit, Kazakhstan 
  
           
 
  Uraninite R070747 
  UO2  
  Michael Scott S101632 
  Topsham, Sagadahoc County, Maine, USA 
  
           
 
  Uranophane R050380 
  Ca(UO2 )2 (SiO3 OH)2 ·5H2 O 
  University of Arizona Mineral Museum 5973 
  Grafton County, New Hampshire, USA 
  
           
 
  Uranophane R070038 
  Ca(UO2 )2 (SiO3 OH)2 ·5H2 O 
  Michael Scott S105086 
  Kyzulsai Mo-U deposit, south Kazakhstan 
  
           
 
  Uranophane R070584 
  Ca(UO2 )2 (SiO3 OH)2 ·5H2 O 
  James Shigley  
  Wolsendorf, Schwandorf, Upper Palatinate, Bavaria, Germany 
  
           
 
  Uranopilite R060374 
  (UO2 )6 (SO4 )O2 (OH)6 ·14H2 O 
  Michael Scott S100025 
  Apex mine, Lander County, Nevada, USA 
  
           
 
  Urusovite R061114 
  CuAlO(AsO4 ) 
  Michael Scott S105122 
  Tolbachik Volcano, Kamchatka Peninsula, Russia 
  
           
 
  Ushkovite R060954 
  MgFe3+ 2 (PO4 )2 (OH)2 ·8H2 O 
  Bob Jenkins  
  Linópolis, Minas Gerais, Brazil 
  
           
 
  Ussingite R070562 
  Na2 AlSi3 O8 (OH) 
  James Shigley  
  Tareq Slope, Ilimaussaq, Narsaq, Kitaa Province, Greenland 
  
           
 
  Utahite R190036 
  MgCu2+ 4 Zn2 Te6+ 3 O14 (OH)4 ·6H2 O 
  Peter Megaw  
  Tombstone, Cochise County, Arizona, USA 
  
           
 
  Uvarovite R060477 
  Ca3 Cr2 (SiO4 )3  
  Michael Scott S100206 
   Saranovskiy mine, Sarany, Ural Mountains, Russia 
  
           
 
  Uvarovite R061041 
  Ca3 Cr2 (SiO4 )3  
  Royal Ontario Museum M52536 
  Outokumpu, Finland 
  
           
 
  Uzonite R100020 
  As4 S5  
  William Pinch  
  Lazaresti, Harghita County, Romania 
  
           
 
  Vaesite R070763 
  NiS2  
  Michael Scott S101616 
  Shaba (Katanga), Congo (Zaïre) 
  
           
 
  Valentinite R050389 
  Sb2 O3  
  University of Arizona Mineral Museum 2886 
  Bohemia Region, Pribram, Czech Republic 
  
           
 
  Valentinite R060516 
  Sb2 O3  
  Michael Scott S100020 
  Sombrerete, Zacatecas, Mexico 
  
           
 
  Valentinite R120096 
  Sb2 O3  
  Rob Lavinsky  
  China 
  
           
 
  Valleriite R080119 
  2[(Fe,Cu)S]·1.53[(Mg,Al)(OH)2 ] 
  Joan Abella i Creus  
  Transvaal, Complexe, Palabora, Sudáfrica 
  
           
 
  Valleriite R070750 
  2[(Fe,Cu)S]·1.53[(Mg,Al)(OH)2 ] 
  Michael Scott S106022 
  Talnakh Cu-Ni Deposit, Taimyr Peninsula, Noril'sk, Putoran Mts, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia 
  
           
 
  Vanadinite R050171 
  Pb5 (VO4 )3 Cl 
  Marcus Origlieri  
  Hamburg mine, La Paz County, Arizona, USA 
  
           
 
  Vanadinite R050189 
  Pb5 (VO4 )3 Cl 
  Dave Bunk Minerals  
  Puzzler mine, Yuma County, Arizona, USA 
  
           
 
  Vanadinite R050376 
  Pb5 (VO4 )3 Cl 
  Eugene Schlepp  
  Morocco 
  
           
 
  Vanadinite R050530 
  Pb5 (VO4 )3 Cl 
  University of Arizona Mineral Museum 8261 
  Hillsboro, Sierra County, New Mexico, USA 
  
           
 
  Vanadinite R050533 
  Pb5 (VO4 )3 Cl 
  University of Arizona Mineral Museum 1028 
  Ahumada mine, Los Lamentos, Mexico 
  
           
 
  Vanadiocarpholite R080099 
  Mn2+ V3+ AlSi2 O6 (OH)4  
  Michael Scott S101686 
  Molinello mine, Graveglia Valley, Ne, Genova Province, Liguria, Italy 
  
           
 
  Vanalite R061117 
  NaAl8 V10 O38 ·30H2 O 
  Michael Scott S105126 
  Kurumsak deposit, Karatau, south Kazakhstan 
  
           
 
  Vandenbrandeite R080113 
  Cu(UO2 )(OH)4  
  William W. Pinch  
  Musonoi mine, Kolwezi, Katanga, Democratic Republic of Congo 
  
           
 
  Vandenbrandeite R080114 
  Cu(UO2 )(OH)4  
  William W. Pinch  
  Shinkolobwe Mine, Shaba, Democratic Republic of Congo 
  
           
 
  Vandendriesscheite R090064 
  Pb1.6 (UO2 )10 O6 (OH)11 ·11H2 O 
  William W. Pinch  
  Shinkolobwe mine, Katanga, Congo 
  
           
 
  Vanpeltite R230006 
  (Mo2 O5 )(S4+ O3 )·4H2 O 
  Brent Thorne  
  Freedom No. 2 mine, Marysvale District, Piute County, Utah, USA 
  
           
 
  Vantasselite R060371 
  Al4 (PO4 )3 (OH)3 ·9H2 O 
  Michael Scott S100281 
  Bihain, Stavelot Massif, Belgium 
  
           
 
  Vanuralite R050544 
  Al(UO2 )2 (VO4 )2 (OH)·8.5H2 O 
  University of Arizona Mineral Museum 12564 
  Mounana mine, Franceville, Haut-Ogooué, Gabon 
  
           
 
  Varennesite R110194 
  Na8 Mn2 Si10 O25 (OH,Cl)2 ·12H2 O 
  Donald Doell  
  Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Monteregie, Quebec, Canada 
  
           
 
  Variscite R040180 
  Al(PO4 )·2H2 O 
  University of Arizona Mineral Museum 12853 
  de Linde mine, Montgomery County, Arkansas, USA 
  
           
 
  Variscite R050467 
  Al(PO4 )·2H2 O 
  University of Arizona Mineral Museum 2454 
  Garland County, Arkansas, USA 
  
           
 
  Variscite R100222 
  Al(PO4 )·2H2 O 
  Luiz Menezes  
  Canarana, Mato Grosso, Brazil 
  
           
 
  Variscite R110139 
  Al(PO4 )·2H2 O 
  Luiz Menezes  
  Boa Vista pegmatite, Conselheiro Pena, Doce valley, Minas Gerais, Brazil 
  
           
 
  Varulite R060740 
  Na2 Mn(MnFe3+ )(PO4 )3  
  Michael Scott S101256 
  Kaatiala, Finland 
  
           
 
  Varulite R160033 
  Na2 Mn(MnFe3+ )(PO4 )3  
  Jaroslav Hyrŝl  
  Nancy Pegmatite, Argentina 
  
           
 
  Varulite R160052 
  Na2 Mn(MnFe3+ )(PO4 )3  
  Donald Doell  
  Nancy Pegmatite, Chacabuco Dept, San Luis, Argentina 
  
           
 
  Vasilite R070716 
  (Pd,Cu)16 (S,Te)7  
  Michael Scott S105843 
  Mount Filipp, Kamchatka Oblast', Far-Eastern Region, Russia 
  
           
 
  Västmanlandite-(Ce) R110171 
  Ce3 CaMg2 Al2 Si5 O19 (OH)2 F 
  Bob Jenkins   
  Bastnas, Riddarhyttan, Sweden 
  
           
 
  Vauquelinite R060676 
  CuPb2 (CrO4 )(PO4 )(OH) 
  Michael Scott S100222 
  Beresovsk, near Ekaterinburg, Ural Mountains, Russia 
  
           
 
  Vauquelinite R060926 
  CuPb2 (CrO4 )(PO4 )(OH) 
  Bob Jenkins  
  Hardshell mine, Patagonia, Arizona, USA 
  
           
 
  Vauxite X060017 
  Fe2+ Al2 (PO4 )2 (OH)2 ·6H2 O 
  University of Arizona Mineral Museum 8499 
  Siglo XX mine, Llallagua, Bustillos, Potosi, Bolivia 
  
           
 
  Vauxite R070421 
  Fe2+ Al2 (PO4 )2 (OH)2 ·6H2 O 
  James Shigley  
  Llallagua, Bustillos Province, Potosi, Bolivia 
  
           
 
  Väyrynenite R050243 
  BeMn2+ (PO4 )(OH) 
  Marcus Origlieri  
  Viitaniemi pegmatite, Erajarvi, Orivesi, Finland 
  
           
 
  Väyrynenite R050590 
  BeMn2+ (PO4 )(OH) 
  Wayne Thompson  
  Shengus, Pakistan 
  
           
 
  Veatchite R060348 
  Sr2 B11 O16 (OH)5 ·H2 O 
  Michael Scott S100082 
  1360' level, 2S Drift, Billie mine, Death Valley, Inyo County, California, USA 
  
           
 
  Veenite R130407 
  Pb2 (Sb,As)2 S5  
  Rock Currier  
  Madoc, Ontario, Canada 
  
           
 
  Vergasovaite R061141 
  Cu3 O(MoO4 )(SO4 ) 
  Michael Scott S105130 
  Tolbachik Volcano, Kamchatka, Russia 
  
           
 
  Vermiculite R050490 
  Mg0.7 (Mg,Fe,Al)6 (Si,Al)8 O20 (OH)4 ·8H2 O 
  California Institute of Technology W-20939 
  near Tonopah, Nevada, USA 
  
           
 
  Vernadite R080100 
  (Mn,Fe,Ca,Na)(O,OH)2 ·nH2 O 
  Michael Scott S1003673 
  Serra Branca pegmatite, Pedra Lavrada, Paraíba, Brazil 
  
           
 
  Verplanckite R050265 
  Ba4 Mn2+ 2 Si4 O12 (OH,H2 O)3 Cl3  
  Marcus Origlieri  
  Big Creek, Fresno County, California, USA 
  
           
 
  Vertumnite R070063 
  Ca4 Al4 Si4 O6 (OH)24 ·3H2 O 
  Bob Jenkins  
  Ettringer, Bellerberg Mt, Eifel mountains, Germany 
  
           
 
  Vésigniéite R120149 
  Cu3 Ba(VO4 )2 (OH)2  
  Marcus Origlieri  
  Mina Milpillas, Municipio de Santa Cruz, Sonora, Mexico 
  
           
 
  Vesuvianite R050056 
  (Ca,Na)19 (Al,Mg,Fe)13 (SiO4 )10 (Si2 O7 )4 (OH,F,O)10  
  Tony Gordian  
  Jeffrey Quarry, Asbestos, Quebec, Canada 
  
           
 
  Vesuvianite R050035 
  (Ca,Na)19 (Al,Mg,Fe)13 (SiO4 )10 (Si2 O7 )4 (OH,F,O)10  
  University of Arizona Mineral Museum 6954 
  Olmsteadville, New York, USA 
  
           
 
  Vesuvianite R050233 
  (Ca,Na)19 (Al,Mg,Fe)13 (SiO4 )10 (Si2 O7 )4 (OH,F,O)10  
  Marcus Origlieri  
  Ludwig, Nevada, USA 
  
           
 
  Vesuvianite X050176 
  (Ca,Na)19 (Al,Mg,Fe)13 (SiO4 )10 (Si2 O7 )4 (OH,F,O)10  
  RD Shannon 62047- 18 
  Val D'Aosta, Italy 
  
           
 
  Vesuvianite R050489 
  (Ca,Na)19 (Al,Mg,Fe)13 (SiO4 )10 (Si2 O7 )4 (OH,F,O)10  
  California Institute of Technology W-20938 
  Crestmore Quarry, Riverside County, California, USA 
  
           
 
  Vesuvianite R060170 
  (Ca,Na)19 (Al,Mg,Fe)13 (SiO4 )10 (Si2 O7 )4 (OH,F,O)10  
  Guy Ouellet  
  Jeffrey mine, Asbestos, Quebec, Canada 
  
           
 
  Vesuvianite R060532 
  (Ca,Na)19 (Al,Mg,Fe)13 (SiO4 )10 (Si2 O7 )4 (OH,F,O)10  
  Michael Scott S100121 
  Jeffrey mine, Asbestos, Quebec, Canada 
  
           
 
  Vesuvianite R060902 
  (Ca,Na)19 (Al,Mg,Fe)13 (SiO4 )10 (Si2 O7 )4 (OH,F,O)10  
  Michael Scott S100342 
  Jeffrey mine, Asbestos, Quebec, Canada 
  
           
 
  Vesuvianite R070226 
  (Ca,Na)19 (Al,Mg,Fe)13 (SiO4 )10 (Si2 O7 )4 (OH,F,O)10  
  Michael Scott S100462 
  Lupikko Mine, Pitkyaranta (Pitkäranta) District, Ladoga Region, Karelia Republic,  Northern Region, Russia 
  
           
 
  Veszelyite R150143 
  (Cu,Zn)2 Zn(PO4 )(OH)3 ·2H2 O 
  University of Arizona Mineral Museum 2731 
  Katanga, Democratic Republic of the Congo 
  
           
 
  Veszelyite R070312 
  (Cu,Zn)2 Zn(PO4 )(OH)3 ·2H2 O 
  James Shigley  
  Black Pine mine, Flint Creek Valley, near Philipsburg, Granite County, Montana, USA 
  
           
 
  Veszelyite R150144 
  (Cu,Zn)2 Zn(PO4 )(OH)3 ·2H2 O 
  Leor Goldberg  
  Hisaichi Mine, Nakagawa, Akita Prefecture, Japan 
  
           
 
  Veszelyite R160003 
  (Cu,Zn)2 Zn(PO4 )(OH)3 ·2H2 O 
  Renato and Adriana Pagano  
  Laochang ore field, Gejiu Co., Honghe Autonomous Prefecture, Yunnan Province, China 
  
           
 
  Vigezzite R060584 
  (Ca,Ce)(Nb,Ta,Ti)2 O6  
  Luiz Menezes and Michael Scott S100789 
  Jacupiranga mine, Cajati, São Paulo, Southeast Region, Brazil 
  
           
 
  Vigezzite R120132 
  (Ca,Ce)(Nb,Ta,Ti)2 O6  
  Luiz Menezes  
  Jacupiranga mine, Cajati, São Paulo, Southeast Region, Brazil 
  
           
 
  Viitaniemiite R060052 
  NaCaAl(PO4 )F3  
  Marcus Origlieri  
  Paprook, Afghanistan 
  
           
 
  Villiaumite R060916 
  NaF 
  Royal Ontario Museum M52436 
  St. Hilaire, Quebec, Canada 
  
           
 
  Violarite R060846 
  FeNi2 S4  
  Michael Scott S100939 
  Perseverance mine, Agnew, Western Australia 
  
           
 
  Virgilluethite R220017 
  MoO3 ·H2 O 
  Ron Gibbs  
  Cooke's Peak, Cookes Range, Luna County, New Mexico, USA 
  
           
 
  Viséite R060544 
  Ca10 Al24 (PO4 )14 (SiO4 )6 F3 O13 ·72H2 O 
  Michael Scott S100015 
  Champion mine, White Mountains, Mono County, California, USA 
  
           
 
  Vishnevite R061139 
  Na8 (Al6 Si6 )O24 (SO4 )·2H2 O 
  Michael Scott S101512 
  Vishnevyite Mountains, Urals, U.S.S.R. 
  
           
 
  Vismirnovite R070216 
  ZnSn(OH)6  
  Michael Scott S100453 
  Mushiston Deposit, Pendzhikent, Kaznok Valley, Zeravshan Range, Viloyati Sughd (Viloyati Khodzhent; Viloyati Leninabad), Tajikistan 
  
           
 
  Vistepite R070712 
  Mn4 SnB2 O2 (Si2 O7 )2 (OH)2  
  Michael Scott S100544 
  Rhodonite occurrence, Muzeinyi Valley, Inyl'chek Range, Issyk-Kul'skaya Oblast, Kyrgyzstan 
  
           
 
  Vivianite R040185 
  Fe2+ 3 (PO4 )2 ·8H2 O 
  University of Arizona Mineral Museum 11555 
  Siglo XX mine, Llallagua, Bustillos, Potosi, Bolivia 
  
           
 
  Vivianite R050076 
  Fe2+ 3 (PO4 )2 ·8H2 O 
  Rock Currier  
  near Canutillos mine, Potosi, Saavedra, Bolivia 
  
           
 
  Vivianite R050464 
  Fe2+ 3 (PO4 )2 ·8H2 O 
  University of Arizona Mineral Museum 11555 
  Siglo XX mine, Llallagua, Potosi, Bolivia 
  
           
 
  Vivianite R050596 
  Fe2+ 3 (PO4 )2 ·8H2 O 
  Barb Dutrow  
  Chernomorskiy Quarry, near Kertch City, Crimea Peninsula, Ukraine 
  
           
 
  Vivianite R060025 
  Fe2+ 3 (PO4 )2 ·8H2 O 
  Eric Van Valkenburg  
  Gypsy mine, Minas Gerais, Brazil 
  
           
 
  Vivianite R070331 
  Fe2+ 3 (PO4 )2 ·8H2 O 
  Mark Mauthner 3369 
  Big Fish River, Yukon Territory, Canada 
  
           
 
  Vladimirite R080001 
  Ca4 (AsO4 )2 (AsO3 OH)·4H2 O 
  Bob Jenkins  
  Cobriza mine, Copiapó, Chile 
  
           
 
  Vladimirite R100075 
  Ca4 (AsO4 )2 (AsO3 OH)·4H2 O 
  Bob Jenkins  
  Ait Ahmane vein No. 53, Bou Azzer district, Morroco 
  
           
 
  Vladimirivanovite R130034 
  Na6 Ca2 [Al6 Si6 O24 ](SO4 ,S3 ,S2 ,Cl)2 ·H2 O 
  Anatoly Sapozhnikov  
  Southwestern Baikal region (Irkutsk region), Russia 
  
           
 
  Vlasovite R060913 
  Na2 ZrSi4 O11  
  Royal Ontario Museum M52456 
  Kipawa complex, Quebec, Canada 
  
           
 
  Vlodavetsite R070736 
  Ca2 Al(SO4 )2 F2 Cl·4H2 O 
  Michael Scott S100547 
  Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia 
  
           
 
  Voglite R050663 
  Ca2 Cu(UO2 )(CO3 )4 ·6H2 O 
  University of Arizona Mineral Museum 9759 
  White Canyon #1 mine, Frey Point, San Juan County, Utah, USA 
  
           
 
  Volaschioite R130078 
  Fe4 (SO4 )O2 (OH)6 ·2H2 O 
  Cristian Biagioni  
  Fornovolasco, Apuan Alps, Tuscany, Italy 
  
           
 
  Volborthite R050249 
  Cu3 V2 O7 (OH)2 ·2H2 O 
  Marcus Origlieri  
  Carlin Gold mine, Elko, Lynn District, Eureka County, Nevada, USA 
  
           
 
  Volborthite R050216 
  Cu3 V2 O7 (OH)2 ·2H2 O 
  Marcus Origlieri  
  Monument Valley, White Canyon-Monument Valley District, Apache & Navajo Counties, Arizona, USA 
  
           
 
  Volborthite R070710 
  Cu3 V2 O7 (OH)2 ·2H2 O 
  Michael Scott S101530 
  Newmont Gold mine, Carlin District, Elko County, Nevada,  USA 
  
           
 
  Volborthite R120063 
  Cu3 V2 O7 (OH)2 ·2H2 O 
  Evan Jones  
  Milpillas mine, Municipio de Santa Cruz, Sonora, Mexico 
  
           
 
  Volkovskite R110151 
  KCa4 B22 O32 (OH)10 Cl·4H2 O 
  Donald M Doell and Brian Roulston  
  Potash Corporation of Saskatchewan mine, Penobsquis, Kings County, New Brunswick, Canada 
  
           
 
  Voltaite R060237 
  K2 Fe2+ 5 Fe3+ 3 Al(SO4 )12 ·18H2 O 
  University of Arizona Mineral Museum 15636 
  Dexter no. 7 mine, Calf Mesa, San Rafael Swell, Emery County, Utah, USA 
  
           
 
  Vonsenite R050221 
  Fe2+ 2 Fe3+ O2 (BO3 ) 
  Marcus Origlieri  
  Monchi mine, Burguillos del Cerro, Badajoz, Extremadura, Spain 
  
           
 
  Vonsenite R050477 
  Fe2+ 2 Fe3+ O2 (BO3 ) 
  California Institute of Technology W-20961 
  North Hill, Riverside, California, USA 
  
           
 
  Vuagnatite R050397 
  CaAlSiO4 (OH) 
  Marcus Origlieri  
  Red Mountain, Mendocino County, California, USA 
  
           
 
  Vuonnemite R050250 
  Na6 Na2 Nb2 Na3 Ti(Si2 O7 )2 (PO4 )2 O2 (OF) 
  Marcus Origlieri  
  Mont Saint-Hilaire, Rouville County, Quebec, Canada 
  
           
 
  Vuonnemite R080015 
  Na6 Na2 Nb2 Na3 Ti(Si2 O7 )2 (PO4 )2 O2 (OF) 
  Michael Scott S101022 
  Kedykevrpahkh Mt., Lovozero Massif, Kola Peninsula, Russia 
  
           
 
  Vuonnemite R070690 
  Na6 Na2 Nb2 Na3 Ti(Si2 O7 )2 (PO4 )2 O2 (OF) 
  Michael Scott S104792 
  Yubileinaya (Yubileinoye; Jubilejnaja) pegmatite,  Karnasurt Mt, Lovozero Massif, Kola Peninsula,  Murmanskaja Oblast', Northern Region, Russia 
  
           
 
  Vuoriyarvite-K R070703 
  (K,Na,◻)12 Nb8 (Si4 O12 )4 O8 ·12-16H2 O 
  Michael Scott S101588 
  Vein No. 46,  Kirovskii apatite mine (Kirovsky Mine; Kirov Mine),  Kukisvumchorr Mt,  Khibiny Massif,  Kola Peninsula,  Murmanskaja Oblast',  Northern Region,  Russia 
  
           
 
  Wadeite R060036 
  K2 ZrSi3 O9  
  University of Arizona Mineral Museum 8626 
  Walgidee, Western Australia, Austrailia 
  
           
 
  Wadeite R130537 
  K2 ZrSi3 O9  
  Donald M Doell and Brian Roulston  
  Potash Corporation of Saskatchewan mine, Penobsquis, Kings County, New Brunswick, Canada 
  
           
 
  Wadsleyite R090004 
  Mg2 SiO4  
  Hexiong Yang  
  Synthetic 
  
           
 
  Wagnerite R050519 
  Mg2 (PO4 )F 
  University of Arizona Mineral Museum 4797 
  Kjorrestad, near Bamle, Norway 
  
           
 
  Wagnerite R060456 
  Mg2 (PO4 )F 
  Michael Scott S100106 
  Kara-Su, Kirgizstan 
  
           
 
  Wagnerite R070559 
  Mg2 (PO4 )F 
  Royal Ontario Museum M52762 
  Panasqueira mine, near Fundão, Portugal 
  
           
 
  Waimirite-(Y) R130714 
  YF3  
  Marcelo B Andrade  
  Pitinga mine, Amazon, Brazil 
  
           
 
  Wairakite R061075 
  Ca(Si4 Al2 )O12 ·2H2 O 
  Michael Scott S101417 
  Katashina Village, Gunma Prefecture, Japan 
  
           
 
  Wakabayashilite R060747 
  (As,Sb)6 As4 S14  
  Bob Jenkins  
  White Caps mine, Manhattan, Nye County, Nevada, USA 
  
           
 
  Wakabayashilite R150064 
  (As,Sb)6 As4 S14  
  Rock Currier  
  Jas Roux, La Chapelle En Valgaudemard, Hautes-Alpes, Provence-Alpes-Côte D'Azur, France 
  
           
 
  Wakefieldite-(Ce) R060176 
  CeVO4  
  Ty Balacko TB1 
  North Keremeous, British Columbia, Canada 
  
           
 
  Wakefieldite-(Ce) R060542 
  CeVO4  
  Michael Scott S100013 
  Yellow Lake, British Columbia, Canada 
  
           
 
  Walpurgite R050573 
  Bi4 O4 (UO2 )(AsO4 )2 ·2H2 O 
  University of Arizona Mineral Museum 2484 
  Joachimstal, Bohemia, Czech Republic 
  
           
 
  Walstromite R070634 
  BaCa2 Si3 O9  
  Michael Scott S100311 
  Esquire number 8 mine, Big Creek, Fresno County, California, USA 
  
           
 
  Walstromite R150079 
  BaCa2 Si3 O9  
  Gunnar Farber  
  Gun Claim, Yukon Territory, Canada 
  
           
 
  Wangdaodeite R150142 
  FeTiO3  
  Xiande Xie and Xiangping Gu  
  Suizhou L6 chondrite, Dayanpo, 12.5 km southeast of the city of Suizhou, Hubei Province, China (35°18’N, 113°35’E) 
  
           
 
  Wangkuirenite R220047 
  Pb3 Cl2 (SeO3 )2  
  Bill Pinch  
  Baccu Locci mine, Villaputen, Sardinia, Italy 
  
           
 
  Wardite R050643 
  NaAl3 (PO4 )2 (OH)4 ·2H2 O 
  Rock Currier  
  Big Fish River, Yukon Territory, Canada 
  
           
 
  Warikahnite R080105 
  Zn3 (AsO4 )2 ·2H2 O 
  William W. Pinch  
  O stope, 31st level, Tsumeb, Namibia 
  
           
 
  Warwickite R050674 
  (Mg,Ti,Fe,Cr,Al)2 O(BO3 ) 
  University of Arizona Mineral Museum 3053 
  Edenville, Orange County, New York, USA 
  
           
 
  Warwickite R120161 
  (Mg,Ti,Fe,Cr,Al)2 O(BO3 ) 
  Michael J. Bainbridge  
  South Baptiste Lake roadcut, Bancroft, Ontario, Canada 
  
           
 
  Wattersite R060626 
  Hg1+ 4 Hg2+ O2 (CrO4 ) 
  Michael Scott S100234 
  Clear Creek claim, San Benito County, California, USA 
  
           
 
  Wavellite R040176 
  Al3 (PO4 )2 (OH)3 ·5H2 O 
  University of Arizona Mineral Museum 4858 
  Montgomery County, Arkansas, USA 
  
           
 
  Wavellite R050219 
  Al3 (PO4 )2 (OH)3 ·5H2 O 
  Marcus Origlieri  
  Kapunda Quarry, South Australia, Australia 
  
           
 
  Waylandite R130361 
  BiAl3 (PO4 )2 (OH)6  
  Rock Currier  
  Ngussa, Kivu, Zaire 
  
           
 
  Weddellite R050242 
  Ca(C2 O4 )·2H2 O 
  Marcus Origlieri  
  Biggs, Wasco County, Oregon, USA 
  
           
 
  Weddellite R110123 
  Ca(C2 O4 )·2H2 O 
  Gordie Downs  
  Tucson, Arizona, USA 
  
           
 
  Weeksite R050330 
  (K)2 (UO2 )2 (Si5 O13 )·4H2 O 
  Lloyd Twaites  
  Anderson mine, Yavapai County, Arizona, USA 
  
           
 
  Weloganite R050217 
  Na2 Sr3 Zr(CO3 )6 ·3H2 O 
  Marcus Origlieri  
  Francon Quarry, Montréal, Québec, Canada 
  
           
 
  Wendwilsonite R050398 
  Ca2 Mg(AsO4 )2 ·2H2 O 
  Marcus Origlieri  
  Bou Azzer, Morocco 
  
           
 
  Wendwilsonite R100174 
  Ca2 Mg(AsO4 )2 ·2H2 O 
  University of Arizona Mineral Museum 18613 
  Bou Azzer, Morocco 
  
           
 
  Wendwilsonite R100175 
  Ca2 Mg(AsO4 )2 ·2H2 O 
  University of Arizona Mineral Museum 18607 
  Bou Azzer, Souss- Massa-Draa, Morocco 
  
           
 
  Wendwilsonite R180008 
  Ca2 Mg(AsO4 )2 ·2H2 O 
  Wendell Wilson 4 
  Bou Azzer, Morrocco 
  
           
 
  Wendwilsonite R180009 
  Ca2 Mg(AsO4 )2 ·2H2 O 
  Wendell Wilson 1 
  Bou Azzer, Morrocco 
  
           
 
  Wendwilsonite R180010 
  Ca2 Mg(AsO4 )2 ·2H2 O 
  Wendell Wilson 2 
  Bou Azzer, Morrocco 
  
           
 
  Wendwilsonite R180011 
  Ca2 Mg(AsO4 )2 ·2H2 O 
  Wendell Wilson 3 
  Bou Azzer, Morrocco 
  
           
 
  Wendwilsonite R180012 
  Ca2 Mg(AsO4 )2 ·2H2 O 
  Wendell Wilson 5 
  Bou Azzer, Morrocco 
  
           
 
  Wendwilsonite R180013 
  Ca2 Mg(AsO4 )2 ·2H2 O 
  Wendell Wilson 6 
  Bou Azzer, Morrocco 
  
           
 
  Wendwilsonite R180014 
  Ca2 Mg(AsO4 )2 ·2H2 O 
  Wendell Wilson 7 
  Bou Azzer, Morrocco 
  
           
 
  Wermlandite R100052 
  Mg7 Al2 (OH)18 [Ca(H2 O)6 ](SO4 )2 ·6H2 O 
  William W Pinch  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Wesselsite R120019 
  SrCuSi4 O10  
  William W. Pinch  
  Wessels mine, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Westerveldite R060507 
  FeAs 
  Michael Scott S100040 
  Kvanefjeld, Ilimaussaq, Greenland 
  
           
 
  Wheat starch D120009 
  David Blake  
  from Sigma 
  
           
 
  Wheatleyite R160084 
  Na2 Cu(C2 O4 )2 ·2H2 O 
  Danielle Sotomayor and Keith Wentz  
  Rowley mine, Maricopa County, Arizona, USA 
  
           
 
  Whelanite R050323 
  Cu2 Ca6 [Si6 O17 (OH)](CO3 )(OH)3 (H2 O)2  
  Marcus Origlieri  
  Christmas mine, Christmas, Gila County, Arizona, USA 
  
           
 
  Wherryite R110089 
  Pb7 Cu2 (SO4 )4 (SiO4 )2 (OH)2  
  Brent Thorne and Joe Ruiz  
  Mammoth-St Anthony mine, Tiger, Pinal County, Arizona, USA 
  
           
 
  Wherryite R141161 
  Pb7 Cu2 (SO4 )4 (SiO4 )2 (OH)2  
  Benjamin N. Schumer  
  Mammoth-St Anthony mine, Tiger, Pinal County, Arizona, USA 
  
           
 
  Whewellite R050240 
  Ca(C2 O4 )·H2 O 
  Marcus Origlieri  
  Huron River, Milan, Ohio, USA 
  
           
 
  Whewellite R050526 
  Ca(C2 O4 )·H2 O 
  University of Arizona Mineral Museum 3081 
  Dresden, Saxony, Germany 
  
           
 
  Whewellite R070655 
  Ca(C2 O4 )·H2 O 
  University of Arizona Mineral Museum 10529 
  Dos Cabezas Ridge, Arizona, USA 
  
           
 
  Whiteite-(CaFeMg) R060912 
  CaFe2+ Mg2 Al2 (PO4 )4 (OH)2 ·8H2 O 
  Royal Ontario Museum M52408 
  Yukon Territory, Canada 
  
           
 
  Whiteite-(CaFeMg) R130055 
  CaFe2+ Mg2 Al2 (PO4 )4 (OH)2 ·8H2 O 
  Thomas A. Loomis TL-22 
  Tip Top mine, Custer, South Dakota, USA 
  
           
 
  Whiteite-(CaMnMg) R140770 
  CaMn2+ Mg2 Al2 (PO4 )4 (OH)2 ·8H2 O 
  Thomas A. Loomis  
  Tip Top mine, Fourmile, Custer District, Custer County, South Dakota, USA 
  
           
 
  Whitlockite R070675 
  Ca9 Mg(PO3 OH)(PO4 )6  
  Rock Currier  
  Palermo mine, North Groton, New Hampshire, USA 
  
           
 
  Whitlockite R080052 
  Ca9 Mg(PO3 OH)(PO4 )6  
  Mineralogical Museum, Harvard University ISGN:HRV000XO6 95030 
  Palermo #1 Quarry, Groton, Grafton County, New Hampshire USA 
  
           
 
  Whitmoreite R110175 
  Fe2+ Fe3+ 2 (PO4 )2 (OH)2 ·4H2 O 
  Donald Doell  
  Palermo #1 mine, North Groton, Grafton County, New Hampshire, USA 
  
           
 
  Wickenburgite R060048 
  Pb3 CaAl2 Si10 O27 ·4H2 O 
  University of Arizona Mineral Museum 16434 
  Rat Tail Claim, Wickenburg, Maricopa County, Arizona, USA 
  
           
 
  Wickenburgite R060087 
  Pb3 CaAl2 Si10 O27 ·4H2 O 
  University of Arizona Mineral Museum 9500 
  Potter Claim, Wickenburg, Arizona, USA 
  
           
 
  Wickmanite R100017 
  Mn2+ Sn4+ (OH)6  
  William Pinch  
  Langban, Filipstad, Varmland, Sweden 
  
           
 
  Wicksite R070274 
  NaCa2 Fe2+ 2 (Fe3+ ,Mn2+ ,Fe2+ )4 (PO4 )6 ·2H2 O 
  Royal Ontario Museum M52275 
  Big Fish River, Richardson Mountains, Dawson Mining District, Yukon Territory, Canada 
  
           
 
  Wicksite R190008 
  NaCa2 Fe2+ 2 (Fe3+ ,Mn2+ ,Fe2+ )4 (PO4 )6 ·2H2 O 
  Don Doell  
  Big Fish River, Dawson mining district, Yukon, Canada 
  
           
 
  Widenmannite R080029 
  Pb2 (OH)2 [(UO2 )(CO3 )2 ] 
  William W. Pinch  
  Pribram, Bohemia, Czechoslovakia 
  
           
 
  Wightmanite R060843 
  Mg5 O(BO3 )(OH)5 ·2H2 O 
  Bob Jenkins  
  Crestmore, California, USA 
  
           
 
  Wilancookite R100091 
  (Ba5 Li2 ◻)Ba6 Be24 P24 O96 ·26H2 O 
  Luiz Menezes  
  Lavra Ponte do Piauí complex granitic pegmatite, Itinga, Jequitinhonha, Minas Gerais, Brazil 
  
           
 
  Wilhelmkleinite R070060 
  ZnFe3+ 2 (AsO4 )2 (OH)2  
  William W. Pinch  
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Wilkinsonite R060922 
  Na4 [Fe2+ 8 Fe3+ 4 ]O4 [Si12 O36 ] 
    
  Warrumbungle Volcanics, New South Wales, Australia 
  
           
 
  Willemite R060875 
  Zn2 SiO4  
  Marcus Origlieri  
  Franklin, Sussex County, New Jersey, USA 
  
           
 
  Willemite R050652 
  Zn2 SiO4  
  University of Arizona Mineral Museum 8071 
  Franklin Furnace, Sussex County, New Jersey, USA 
  
           
 
  Willemite R100109 
  Zn2 SiO4  
  American Museum of Natural History 98993 
  Franklin, Sussex County, New Jersey, USA 
  
           
 
  Willemseite R061112 
  Ni3 Si4 O10 (OH)2  
  Michael Scott S104099 
  near Scotia Talc mine, Barberton Mountain, Transvaal, South Africa 
  
           
 
  Willhendersonite R060508 
  KCa(Si3 Al3 )O12 ·5H2 O 
  Michael Scott S100293 
  San Venzano Quarry, Terni, Umbria, central Italy 
  
           
 
  Wiluite X050177 
  Ca19 (Al,Mg)13 (B,◻,Al)5 (SiO4 )10 (Si2 O7 )4 (O,OH)10  
  G.R. Rossman 1429b 
  Wilui River, Sakha Republic, Russian Federation 
  
           
 
  Wiluite R060513 
  Ca19 (Al,Mg)13 (B,◻,Al)5 (SiO4 )10 (Si2 O7 )4 (O,OH)10  
  Michael Scott S100136 
  Wilui River, Sakha Republic, Russian Federation 
  
           
 
  Winchite R061124 
  ◻(NaCa)(Mg4 Al)Si8 O22 (OH)2  
  Michael Scott S104952 
  Iratuyama, Ehime Prefecture, Japan 
  
           
 
  Wiserite R130122 
  Mn2+ 14 (B2 O5 )4 (OH)8 ·(Si,Mg)(O,OH)4 Cl 
  Rock Currier  
  Kombat mine, Namibia 
  
           
 
  Witherite R040040 
  Ba(CO3 ) 
  University of Arizona Mineral Museum 8505 
  Cave-in-Rock, Hardin County, Illinois, USA 
  
           
 
  Witherite R050148 
  Ba(CO3 ) 
  Jim McGlasson  
  Settlingstones mine, Fourstones, Northumberland, England 
  
           
 
  Witherite R050267 
  Ba(CO3 ) 
  Marcus Origlieri  
  Fallowfields mine, Alston Moor, England 
  
           
 
  Wittichenite R050327 
  Cu3 BiS3  
  Marcus Origlieri  
  Grube Daniel, Wittichen, Schwarzwald, Germany 
  
           
 
  Wittichenite R100013 
  Cu3 BiS3  
  William Pinch  
  Cattle Grid pit, Mt. Gunson mine, Pernatty Lagoon, South Australia 
  
           
 
  Wodginite R130047 
  Mn2+ Sn4+ Ta2 O8  
  Royal Ontario Museum  
  Tanco mine (Bernic Lake mine), Bernic Lake, Lac-du-Bonnet area, Manitoba, Canada 
  
           
 
  Wöhlerite R050275 
  Na2 Ca4 Zr(Nb,Ti)(Si2 O7 )2 (O,F)4  
  Marcus Origlieri  
   Langesundsfjord, Norway 
  
           
 
  Wöhlerite R060086 
  Na2 Ca4 Zr(Nb,Ti)(Si2 O7 )2 (O,F)4  
  University of Arizona Mineral Museum 2918 
  Langesundfjord, Norway 
  
           
 
  Wolfeite R050614 
  Fe2+ 2 (PO4 )(OH) 
  University of Arizona Mineral Museum 3012 
  Hagendorf, Bavaria 
  
           
 
  Wolfeite R060545 
  Fe2+ 2 (PO4 )(OH) 
  Michael Scott S100274 
  Big Fish River, Yukon Territory, Canada 
  
           
 
  Wolfeite R140864 
  Fe2+ 2 (PO4 )(OH) 
  Rock Currier  
  Hagendorf, Waidhaus, Vohenstrauß, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany 
  
           
 
  Wollastonite R040131 
  CaSiO3  
  University of Arizona Mineral Museum 12446 
  In-Ne-Koh-Pah Gorge, Jacumba, San Diego County, California, USA 
  
           
 
  Wollastonite R040008 
  CaSiO3  
  University of Arizona Mineral Museum 4220 
  Lake Baikal, Siberia, Russia 
  
           
 
  Wollastonite R120016 
  CaSiO3  
  Donald Doell  
  Saint-Sauveur Graphite occurrence, Saint-Sauveur, Les Pays-d'en-Haut RCM, Laurentides, Québec, Canada 
  
           
 
  Wollastonite R120122 
  CaSiO3  
  Marcus Origlieri  
  Fuka mine, Bicchu-cho, Okayama Prefecture, Japan 
  
           
 
  Wölsendorfite R090051 
  Pb7 (UO2 )14 O19 (OH)4 ·12H2 O 
  William W. Pinch  
  Shinkolobwe mine, Katanga, Congo 
  
           
 
  Woodhouseite R060520 
  CaAl3 (SO4 )(PO4 )(OH)6  
  Michael Scott S100213 
  Champion mine, Mono County, California, USA 
  
           
 
  Woodwardite R060762 
  (Cu1-x Alx )(SO4 )x/2 (OH)2 ·nH2 O (x < 0.5, n < 3x/2) 
  Michael Scott S101245 
  Cornwall, England 
  
           
 
  Wooldridgeite R100005 
  Na2 CaCu2+ 2 (P2 O7 )2 ·10H2 O 
  William Pinch  
  Judkins Quarry, Nuneaton, Warwickshire, England 
  
           
 
  Wulfenite R050024 
  PbMoO4  
  Eugene Schlepp  
  Old Yuma mine, Tucson, Arizona, USA 
  
           
 
  Wulfenite R050149 
  PbMoO4  
  Jim McGlasson  
  Chapacase mine, Sierra Cerrillias District, Tocopilla, Chile 
  
           
 
  Wulfenite R050501 
  PbMoO4  
  California Institute of Technology W-21007 
  Los Lamentos, Chihuahua, Mexico 
  
           
 
  Wupatkiite R060515 
  CoAl2 (SO4 )4 ·22H2 O 
  Michael Scott S100326 
  Lorena Gold mine, Cloncurry, Queensland, Australia 
  
           
 
  Wurtzite R060181 
  ZnS 
  Lloyd Twaites  
  Silver Islet mine, Thunder Bay, Ontario, Canada 
  
           
 
  Wurtzite R130069 
  ZnS 
  William W. Pinch  
  Merelani Hills (Mererani), Lelatema Mountains, Arusha Region, Tanzania 
  
           
 
  Wuyanzhiite R180023 
  Cu2 S 
  Xiangping Gu  
  #5 orebody on the -65 m level in Bofang Copper mine, about 40 km south from Hengyang City, Hunan Province, China. 
  
           
 
  Wyartite II R090061 
  CaU5+ (U6+ O2 )2 O4 (OH)·3H2 O 
  William W. Pinch  
  Shinkolobwe mine, Katanga, Congo 
  
           
 
  Xanthoconite R070746 
  Ag3 AsS3  
  Michael Scott S106258 
  Freiberg District, Erzgebirge, Saxony, Germany 
  
           
 
  Xanthoconite R080013 
  Ag3 AsS3  
  William W. Pinch  
  Imiter mine, Djebel Sarhro, 20 km. from Quarzazate, Anti Atlas Mountains, Morocco 
  
           
 
  Xanthoxenite R050234 
  Ca4 Fe3+ 2 (PO4 )4 (OH)2 ·3H2 O 
  Marcus Origlieri  
  Palermo mine, North Groton, Grafton County, New Hampshire, USA 
  
           
 
  Xenotime-(Y) R050178 
  Y(PO4 ) 
  Marcus Origlieri  
  Novo Horizonte, Bahia, Brazil 
  
           
 
  Xenotime-(Y) R060428 
  Y(PO4 ) 
  Herb Obodda 107 
  Zagi Mountain, near Hammedabad, Khaffor Dehri, North-West Frontier Province, Pakistan 
  
           
 
  Xenotime-(Y) R120080 
  Y(PO4 ) 
  Rudy Bolona  
  Clora May mine, Chaffee County, Colorado, USA 
  
           
 
  Xocomecatlite R070738 
  Cu3 (Te6+ O4 )(OH)4  
  Michael Scott S103461 
  Bambollita mine (Oriental mine), Moctezuma, Municipio de Moctezuma, Sonora, Mexico 
  
           
 
  Xonotlite R120029 
  Ca6 Si6 O17 (OH)2  
  Donald Doell  
  Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Xonotlite R180003 
  Ca6 Si6 O17 (OH)2  
  Jaco and Tania Janse van Nieuwenhuizen  
  Nchwaning III mine, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Yangite R090031 
  PbMnSi3 O8 ·H2 O 
  William W. Pinch  
  Kombat, Namibia 
  
           
 
  Yanomamite R060537 
  In(AsO4 )·2H2 O 
  Michael Scott S100011 
  Periquito mine, Monte Alegre de Goias, Goias, Brazil 
  
           
 
  Yarrowite R060536 
  Cu9 S8  
  Michael Scott S100224 
  Yarrow Creek, southwestern Alberta, Canada 
  
           
 
  Yeatmanite R141001 
  Zn6 Mn2+ 9 Sb5+ 2 O12 (SiO4 )4  
  Rock Currier  
  1500 foot level, Sterling mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex County, New Jersey, USA 
  
           
 
  Yedlinite R050338 
  Pb6 Cr(Cl,OH)6 (OH,O)8  
  University of Arizona Mineral Museum 11360 
  Tiger, Pinal County, Arizona, USA 
  
           
 
  Yingjiangite R070740 
  K2 Ca(UO2 )7 (PO4 )4 (OH)6 ·6H2 O 
  Michael Scott S106144 
  Kamaka Bar, Frazier River, Kamloops Mining Division, British Columbia, Canada 
  
           
 
  Yoderite R050277 
  (MgAl3 )(MgAl)Al2 O2 (SiO4 )4 (OH)2  
  Marcus Origlieri  
  Mautia Hill, Kongwa, Central Province, Tanzania 
  
           
 
  Yofortierite R080111 
  Mn2+ 5 Si8 O20 (OH)2 ·7H2 O 
  William W. Pinch  
  Mont Saint-Hilaire, Quebec, Canada 
  
           
 
  Yoshimuraite R050266 
  Ba4 Mn2+ 4 Ti2 (Si2 O7 )2 (PO4 )2 O2 (OH)2  
  Marcus Origlieri  
  Taguchi mine, Shidara, Kitashidara-Gun, Aichi Prefecture, Japan 
  
           
 
  Yttrium aluminum garnet X090003 
  Gemological Institute of America 15735 
  Synthetic 
  
           
 
  Yttrium aluminum garnet R110105 
  Gemological Institute of America 10-12-2010-10 
  Synthetic 
  
           
 
  Yttrium aluminum garnet R150067 
  Martin Zinn  
  Synthetic 
  
           
 
  Yttrotantalite-(Y) R060022 
  (Y,U,Fe2+ )(Ta,Nb)(O,OH)4  
  American Museum of Natural History 67464 
  Swaziland 
  
           
 
  Yttrotantalite-(Y) R060828 
  (Y,U,Fe2+ )(Ta,Nb)(O,OH)4  
  Michael Scott S101196 
  Skuleboda, Sweden 
  
           
 
  Yttrotantalite-(Y) R080046 
  (Y,U,Fe2+ )(Ta,Nb)(O,OH)4  
  American Museum of Natural History  67464 
  Swaziland 
  
           
 
  Yttrotungstite-(Y) R050569 
  Y(W,Fe,Si,Al,Ti)2 (O,OH,H2 O)9  
  University of Arizona Mineral Museum 3086 
  Perak, Malaysia 
  
           
 
  Yuanfuliite R100067 
  Mg(Fe3+ ,Al)O(BO3 ) 
  Bob Jenkins  
  La Ceila, near Jumilla, Murcia Province, Spain 
  
           
 
  Yugawaralite R050407 
  Ca(Si6 Al2 )O16 ·4H2 O 
  G.R. Rossman MK29 
  Malad quarry, Mumbai, Maharashtra, India 
  
           
 
  Yugawaralite R060568 
  Ca(Si6 Al2 )O16 ·4H2 O 
  Michael Scott S100229 
  Khandivali Quarry, near Bombay, India 
  
           
 
  Yukonite X100001 
  Ca2 Fe3+ 3 (AsO4 )3 (OH)4 ·4H2 O 
  Geological Survey of Canada  
  Tagish Lake, Yukon, Canada 
  
           
 
  Yuksporite R060818 
  K4 (Ca,Na)14 (Sr,Ba)2 (◻,Mn,Fe)(Ti,Nb)4 (O,OH)4 (Si6 O17 )2 (Si2 O7 )3 (H2 O,OH)3  
  Bob Jenkins  
  Chibiny, Kola Peninsula, Russia 
  
           
 
  Yuzuxiangite R200008 
  Sr3 Fe3+ (Si2 O6 )2 (OH)·3H2 O 
  Jaco and Tania Janse van Nieuwenhuizen  
  Wessels mine, Kalahari manganese field, Northern Cape Province, South Africa 
  
           
 
  Yvonite R100010 
  Cu(AsO3 OH)·2H2 O 
  William Pinch  
  Salsigne Gold mine, Aude, France 
  
           
 
  Zabuyelite R100211 
  Li2 (CO3 ) 
  Michael Scott   
  Synthetic, purchased from Sigma-Aldrich 
  
           
 
  Zaccariniite R130009 
  RhNiAs 
  Anna Vymazalova  
  Loma Peguera chromitite, Dominican Replubic 
  
           
 
  Zaccariniite R130010 
  RhNiAs 
  Anna Vymazalova  
  Synthetic 
  
           
 
  Zálesíite R060228 
  CaCu6 (AsO4 )2 (AsO3 OH)(OH)6 ·3H2 O 
  Michael Scott S100145 
  Hilarion mine, near Kamareza, Laurium, Attica Penninsula, Greece 
  
           
 
  Zálesíite R070455 
  CaCu6 (AsO4 )2 (AsO3 OH)(OH)6 ·3H2 O 
  Michael Scott S103060 
  Zálesí, Javorník, Olomouc Region, Moravia (Mähren; Maehren), Czech Republic 
  
           
 
  Zanazziite R050578 
  Ca2 Be4 Mg5 (PO4 )6 (OH)4 ·6H2 O 
  University of Arizona Mineral Museum 16166 
  Lavra da Ilha pegmatite, Taquaral, Minas Gerais, Brazil 
  
           
 
  Zanazziite R100220 
  Ca2 Be4 Mg5 (PO4 )6 (OH)4 ·6H2 O 
  Luiz Menezes  
  Jenipapo district, Itinga, Minas Gerais, Brazil 
  
           
 
  Zaratite R050268 
  Ni3 (CO3 )(OH)4 ·4H2 O 
  Marcus Origlieri  
  Lord Brassy mine, Tasmania, Australia 
  
           
 
  Zavaritskite R070488 
  BiOF 
  Michael Scott S103068 
  Moldava, Dubí, Krusné Hory Mts (Erzgebirge), Ústí Region, Bohemia (Böhmen; Boehmen), Czech Republic 
  
           
 
  Zektzerite R070485 
  NaLiZrSi6 O15  
  Michael Scott S103063 
  Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA 
  
           
 
  Zellerite R070454 
  Ca(UO2 )(CO3 )2 ·5H2 O 
  Michael Scott S103072 
  Frey No. 4 mine, Red Canyon, White Canyon District, San Juan County, Utah, USA 
  
           
 
  Zemannite R050273 
  Mg0.5 ZnFe3+ (Te4+ O3 )3 ·n H2 O (3≤n ≤4.5) 
  Marcus Origlieri  
  Mina Bambollita, Moctezuma, Sonora, Mexico 
  
           
 
  Zeophyllite R060150 
  Ca13 Si10 O28 (OH)2 F8 ·6H2 O 
  University of Arizona Mineral Museum 2957 
  Radzein, near Teplitz, Bohemia, Czech Republic 
  
           
 
  Zhanghuifenite R141027 
  Na3 Mn2+ 4 Mg2 Al(PO4 )6  
  William W. Pinch  
  Santa Ana Pegmatite, Totoral pegmatitic field, Coronel Pringles Department, San Luis, Argentina 
  
           
 
  Zhanghuifenite R160030 
  Na3 Mn2+ 4 Mg2 Al(PO4 )6  
  Jaroslav Hyršl  
  Santa Ana pegmatite, Totoral pegmatitic field, Coronel Pringles Department, San Luis, Argentina 
  
           
 
  Zharchikhite R061136 
  Al(OH)2 F 
  Michael Scott S105120 
  Zharchikha deposit, Buryatia, Russia 
  
           
 
  Zhenruite R220010 
  (MoO3 )2 ·H2 O 
  Mike Scott S102692 
  Freedom No. 2 mine, Marysvale District (Marysvale Uranium area), Piute County, Utah, USA 
  
           
 
  Ziesite R070482 
  Cu2 V5+ 2 O7  
  Michael Scott S103064 
  Izalco Volcano, Sonsonate Department, El Salvador 
  
           
 
  Zigrasite R120143 
  MgZr(PO4 )2 ·4H2 O 
  James Zigras  
  Dunton quarry, Newry, Oxford County, Maine, USA 
  
           
 
  Zinc R070497 
  Zn 
  James Shigley  
  Round Mountain area, Shasta County, California, USA 
  
           
 
  Zincite R050419 
  ZnO 
  Marcus Origlieri  
  Sterling Hill, Sussex County, New Jersey, USA 
  
           
 
  Zincite R050492 
  ZnO 
  California Institute of Technology W-21076 
  Franklin, Sussex County, New Jersey, USA 
  
           
 
  Zincite R060027 
  ZnO 
  Jacque Reynard, Greg Schmidt  
  synthetic 
  
           
 
  Zincocopiapite R060779 
  ZnFe3+ 4 (SO4 )6 (OH)2 ·20H2 O 
  Michael Scott S101288 
  Les Valettes, Wallis, Switzerland 
  
           
 
  Zincolibethenite R060763 
  CuZn(PO4 )(OH) 
  Michael Scott S101364 
  Kabwe mine, Kabwe, Zambia 
  
           
 
  Zincolibethenite R150008 
  CuZn(PO4 )(OH) 
  Marcus Origlieri  
  Skorpion mine, Rosh Pinah, Namibia 
  
           
 
  Zincolivenite R050583 
  CuZn(AsO4 )(OH) 
  University of Arizona Mineral Museum 14754 
  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia 
  
           
 
  Zincroselite R100192 
  Ca2 Zn(AsO4 )2 ·2H2 O 
  William W Pinch  
  Tsumeb, Namibia 
  
           
 
  Zinkenite R060186 
  Pb9 Sb22 S42  
  Lloyd Twaites LT1257 
  Llallagua, Potosi Department, Bolivia 
  
           
 
  Zinkenite R070577 
  Pb9 Sb22 S42  
  James Shigley  
  Jetty mine, near Anaconda, Deer Lodge County, Montana, USA 
  
           
 
  Zinnwaldite R040138 
  K(Al,Fe,Li)3 (Si,Al)4 O10 (OH)F 
  University of Arizona Mineral Museum 15868 
  Tørdal, Telemark, Norway 
  
           
 
  Zircon R050034 
  Zr(SiO4 ) 
  University of Arizona Mineral Museum 13491 
  Oaxaca, Mexico 
  
           
 
  Zircon R050203 
  Zr(SiO4 ) 
  Eric Van Valkenburg  
  Eastern Thailand 
  
           
 
  Zircon X050179 
  Zr(SiO4 ) 
  G.R. Rossman 341 
  Chantaburi, Thailand 
  
           
 
  Zircon X050180 
  Zr(SiO4 ) 
  Caltech 1218 
  Southeast Asia 
  
           
 
  Zircon X050181 
  Zr(SiO4 ) 
  Caltech 1465 
  Blantyre, Malawi 
  
           
 
  Zircon X050182 
  Zr(SiO4 ) 
  Caltech 1467 
  Henderson, North Carolina, USA 
  
           
 
  Zircon X050183 
  Zr(SiO4 ) 
  Caltech  
  Synthetic 
  
           
 
  Zircon R050286 
  Zr(SiO4 ) 
  Marcus Origlieri  
  Renfrew County, Ontario, Canada 
  
           
 
  Zircon R050488 
  Zr(SiO4 ) 
  California Institute of Technology W-21066 
  Sigulani Village, Tambani Area, Blantyre District, Nyassaland 
  
           
 
  Zircon R100128 
  Zr(SiO4 ) 
  William W. Pinch  
  Cambodia 
  
           
 
  Zircon R100144 
  Zr(SiO4 ) 
  William W. Pinch  
  Sri Lanka 
  
           
 
  Zircon R150080 
  Zr(SiO4 ) 
  Michael Scott  
  unknown 
  
           
 
  Zircon R150081 
  Zr(SiO4 ) 
  Michael Scott  
  unknown 
  
           
 
  Zircon R150082 
  Zr(SiO4 ) 
  Michael Scott  
  unknown 
  
           
 
  Zircon R150083 
  Zr(SiO4 ) 
  Michael Scott  
  unknown 
  
           
 
  Zircon R150084 
  Zr(SiO4 ) 
  Michael Scott  
  unknown 
  
           
 
  Zircon R150085 
  Zr(SiO4 ) 
  Michael Scott  
  unknown 
  
           
 
  Zirkelite R060540 
  (Ti,Ca,Zr)O2-x  
  Michael Scott S100275 
  Palabora Open Pit, Phalaborwa, Transvaal, Republic of South Africa 
  
           
 
  Zirkelite R080083 
  (Ti,Ca,Zr)O2-x  
  Luiz Menezes  
  Jacupiranga mine, Cajati, São Paulo, Brazil 
  
           
 
  Zirsilite-(Ce) R200001 
  (Na,◻)12 (Ce,Na)3 Ca6 Mn3 Zr3 NbSi25 O73 (OH)3 (CO3 )·H2 O 
  Don Doell  
  Sagasen Quarry, Morje, Porsgreunn, Telemark, Norway 
  
           
 
  Znucalite R070483 
  CaZn11 (UO2 )(CO3 )3 (OH)20 ·4H2 O 
  Michael Scott S101720 
  Lill Mine, Black pits deposit, Březové Hory (Birkenberg), Příbram, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic 
  
           
 
  Zoisite R050041 
  Ca2 Al3 [Si2 O7 ][SiO4 ]O(OH) 
  University of Arizona Mineral Museum 4474 
  Franklin County, Conway, Massachussetts, USA 
  
           
 
  Zoisite R050038 
  Ca2 Al3 [Si2 O7 ][SiO4 ]O(OH) 
  University of Arizona Mineral Museum 4475 
  Elf Shooting Creek, Clay County, North Carolina, USA 
  
           
 
  Zoisite X050184 
  Ca2 Al3 [Si2 O7 ][SiO4 ]O(OH) 
  RD Shannon 62047- 76 
  Merilani Hills, Arusha, Tanzania 
  
           
 
  Zoisite R060567 
  Ca2 Al3 [Si2 O7 ][SiO4 ]O(OH) 
  Michael Scott S100192 
  Umba Valley, Tanzania 
  
           
 
  Zoisite X060001 
  Ca2 Al3 [Si2 O7 ][SiO4 ]O(OH) 
  Michael Scott 11026 
  unknown 
  
           
 
  Zorite R060953 
  Na6 Ti5 Si12 O34 (O,OH)5 ·11H2 O 
  Bob Jenkins  
  Lovozero Massif, Kola Peninsula, Russia 
  
           
 
  Zunyite X050185 
  Al13 Si5 O20 (OH,F)18 Cl 
  G.R. Rossman 1586 
  Electric Meat Ball deposit, Quartzsite, La Paz County, Arizona, USA 
  
           
 
  Zunyite R050263 
  Al13 Si5 O20 (OH,F)18 Cl 
  Marcus Origlieri  
  Ruby Mountain, Tintic District, Utah, USA 
  
           
 
  Zunyite R050553 
  Al13 Si5 O20 (OH,F)18 Cl 
  Dave Bunk Minerals  
  near Quartzsite, Yuma/La Paz Counties, Arizona, USA 
  
           
 
  Zussmanite R050448 
  K(Fe,Mg,Mn)13 (Si,Al)18 O42 (OH)14  
  Marcus Origlieri  
  Longvale Quarry, Mendocino County, California, USA 
  
           
 
  Zwieselite R050279 
  Fe2+ 2 (PO4 )F 
  Marcus Origlieri  
  Cornelia mine, Hagendorf, Bavaria, Germany 
  
           
 
  Zýkaite R070477 
  Fe3+ 4 (AsO4 )3 (SO4 )(OH)·15H2 O 
  Michael Scott S101732 
  Christbescherung mine, Großvoigtsberg, Freiberg District, Erzgebirge, Saxony, Germany 
  
           
 
   
   
   
      
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         4216 Records Found