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  NAMES RRUFF ID IDEAL CHEMISTRY SOURCE LOCALITY OPTIONS
Actinolite R040063 ◻Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 University of Arizona Mineral Museum 6789 Harford County, Maryland, USA view
Actinolite R040064 ◻Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 University of Arizona Mineral Museum 5318 Ehime Perfecture, Uma Gun, Japan view
Actinolite R050025 ◻Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 Eugene Schlepp  Tyrol, Austria view
Actinolite X050001 ◻Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 George R. Rossman GRR-232 Siberia, Russia view
Actinolite X050002 ◻Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 UCLA MS 2842 Lone Pine Canyon, San Diego County, California, USA view
Actinolite X050003 ◻Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 UCLA MS 2843 Cloverdale Highway, California view
Actinolite X050004 ◻Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 California Institute of Technology 299 One mile north Summit Reservoir, Berkeley, California view
Actinolite R050336 ◻Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 California Institute of Technology W-5612 Kragerø, Norway view
Actinolite R060045 ◻Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 University of Arizona Mineral Museum 13272 Colorado, USA view
Actinolite R060041 ◻Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 University of Arizona Mineral Museum 4212 Prince of Wales Island, Alaska, USA view
Actinolite R120010 ◻Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 Donald Doell  Quebec Lithium Corporation mine, La Corne, Abitibi RCM, Abitibi-Temiscamingue, Quebec, Canada view
Adachiite R230014 CaFe2+3Al6(Si5AlO18)(BO3)3(OH)3(OH) Boriana Mihailova S43 Kiura mine, Oita prefecture, Japan view
Aegirine R040054 NaFe3+Si2O6 Bob Downs  Mont Saint-Hilaire, Rouville County, Quebec, Canada view
Aegirine R050074 NaFe3+Si2O6 Rock Currier  Mt. Malosa, Zomba, Chilwa, Alkaline Area, Malawi view
Aegirine R061093 NaFe3+Si2O6 Michael Scott S102017 Lacotal Breccia, Alto Chapere, Cochabamba, Bolivia view
Aegirine R070125 NaFe3+Si2O6 Mark Mauthner 3266 Ice River Alkaline Complex, Golden, British Columbia, Canada view
Aegirine R070253 NaFe3+Si2O6 Michael Scott S102622 Lovozero Massif, Kola Peninsula, Murmanskaya Oblast'; Northern Region, Russia view
Aegirine R120144 NaFe3+Si2O6 Ikram Mineralogy  Zagi Mountain, Hameed Abad Kafoor Dheri, Peshawar, Khyber Pakhtunkhwa, Pakistan view
Aegirine R120167 NaFe3+Si2O6 Rock Currier  Locotal metaevaporite breccia, Alto Chapare, Cochabamba Dept, Bolivia view
Aenigmatite R061088 Na4[Fe2+10Ti2]O4[Si12O36] Michael Scott S103019 Naujakasik, Greenland view
Aenigmatite R061089 Na4[Fe2+10Ti2]O4[Si12O36] Michael Scott S103020 Eveslogchorr, Khibiny Massif, Kola Peninsula, Russia view
Aerinite R050610 (Ca,Na)6(Fe3+,Fe2+,Mg,Al)4(Al,Mg)6Si12O36(OH)12(CO3)·12H2O University of Arizona Mineral Museum  Estopinian, Province of Huesca, Spain view
Aheylite R070070 Fe2+Al6(PO4)4(OH)8·4H2O Bob Jenkins  Huanuni, Bolivia view
Aheylite R070171 Fe2+Al6(PO4)4(OH)8·4H2O Michael Scott S101593 Bali Lo, Ashburton Downs, Western Australia, Australia view
Ahrensite R230013 SiFe2O4 Chi Ma  Tissint meteorite, likely from Mars view
Allabogdanite R070012 (Fe,Ni)2P Michael Scott S105103 Onello meteorite, Bol'shoy Dolguchan River, Onello River Basin, Aldan, Yakutia, Russia view
Allanite-(Ce) R050043 CaCe(Al2Fe2+)[Si2O7][SiO4]O(OH) University of Arizona Mineral Museum 4499 Arendal, Norway view
Allanite-(Ce) R060418 CaCe(Al2Fe2+)[Si2O7][SiO4]O(OH) John Weber  Aquarius Range, Mohave County, Arizona, USA view
Allanite-(Ce) R080044 CaCe(Al2Fe2+)[Si2O7][SiO4]O(OH) John Weber  Aquarius Range, Mohave County, Arizona, USA view
Allanite-(Ce) R080092 CaCe(Al2Fe2+)[Si2O7][SiO4]O(OH) University of Arizona Mineral Museum 4499 Arendal, Norway view
Allanite-(La) R070246 CaLa(Al2Fe2+)[Si2O7][SiO4]O(OH) Michael Scott S102978 Nueva Vizcaya Mine, Burguillos del Cerro, Badajoz, Extremadura, Spain view
Allanpringite R080147 Fe3+3(PO4)2(OH)3·5H2O Steffan Jahn  Mark mine, Essershausen, Weilburg, Wetzlar, Hesse, Germany view
Alluaudite R160080 ◻NaMnFe3+2(PO4)3 Rock Currier  Buranga pegmatite, Gatumba District, Western Province, Rwanda view
Alluaudite R160081 ◻NaMnFe3+2(PO4)3 Rock Currier  Green Monster mine, Trimble, South Dakota, USA view
Alluaudite R160082 ◻NaMnFe3+2(PO4)3 Rock Currier  Custer, South Dakota, USA view
Alluaudite R140711 ◻NaMnFe3+2(PO4)3 Rock Currier  Dyke Lode, Custer, Custer District, Custer County, South Dakota, USA view
Alluaudite R141067 ◻NaMnFe3+2(PO4)3 Rob Lavinsky  Pleasant Valley pegmatite, Fourmile, Custer District, Custer County, South Dakota, USA view
Almandine R040076 Fe2+3Al2(SiO4)3 University of Arizona Mineral Museum 7976 Barton Garnet mine, Gore Mountain, Warren County, New York, USA view
Almandine R040079 Fe2+3Al2(SiO4)3 University of Arizona Mineral Museum 13736 Ontario, Canada view
Almandine R040168 Fe2+3Al2(SiO4)3 University of Arizona Mineral Museum 16323 Pocos Dos Cavatos, Ceara, Brazil view
Almandine R050029 Fe2+3Al2(SiO4)3 University of Arizona Mineral Museum 4307 Barton Garnet mine, Gore Mountain, Warren County, New York, USA view
Almandine X050009 Fe2+3Al2(SiO4)3 George R. Rossman GRR-943 Riverside County, California, USA view
Almandine X050010 Fe2+3Al2(SiO4)3 George R. Rossman GRR-1056 Wrangel, Alaska, USA view
Almandine X050011 Fe2+3Al2(SiO4)3 George R. Rossman GRR-43 Rutherford #2 mine, Amelia, Virginia, USA view
Almandine R060099 Fe2+3Al2(SiO4)3 Roland Boehne  Alaska, USA view
Almandine R060450 Fe2+3Al2(SiO4)3 Gemological Institute of America 16606 Canada view
Almandine R070129 Fe2+3Al2(SiO4)3 Michael Scott S100422 Wrangell, Wrangell Island, Wrangell-Petersburg Borough, Alaska, USA view
Almandine R100046 Fe2+3Al2(SiO4)3 William W Pinch  Altai, Xinjiang Province, China view
Almandine R120145 Fe2+3Al2(SiO4)3 Ikram Mineralogy  Zagi Mountain, Hameed Abad Kafoor Dheri, Peshawar, Khyber Pakhtunkhwa, Pakistan view
Almandine R120152 Fe2+3Al2(SiO4)3 Eric Van Valkenburg  The garnet schist, Roxbury, Litchfield County, Connecticut, USA view
Almandine R190023 Fe2+3Al2(SiO4)3 Robert Downs  Bella Vista mine, Mitkof Island, Alexander Archipelago, Alaska, USA view
Alterite R180005 Zn2Fe3+4(SO4)4(C2O4)2(OH)4·17H2O Malcom Alter  Near Marble Canyon, Coconino County, Arizona, USA view
Amarantite R050153 Fe3+2O(SO4)2·7H2O Jim McGlasson  Paposo, Antofagasta, Chile view
Ammoniojarosite R060408 (NH4)Fe3+3(SO4)2(OH)6 American Museum of Natural History 31246 Wamsutter, Sweetwater County, Wyoming, USA view
Ammoniomagnesiovoltaite R130079 (NH4)2Mg5Fe3+3Al(SO4)12·18H2O Sándor Szakall  Pécs-Vasas, Mecsek Mountains, South Hungary view
Anapaite R050510 Ca2Fe2+(PO4)2·4H2O University of Arizona Mineral Museum 1437 Prats-Sampsor, Spain view
Anapaite R141081 Ca2Fe2+(PO4)2·4H2O Rock Currier  Messel mine, Messel, Darmstadt, Hesse, Germany view
Andradite R040001 Ca3Fe3+2(SiO4)3 University of Arizona Mineral Museum 12923 Stanley Butte, Graham County, Arizona, USA view
Andradite X050015 Ca3Fe3+2(SiO4)3 RD Shannon 56163- 138 Val Malenco, Italy view
Andradite R050256 Ca3Fe3+2(SiO4)3 Marcus Origlieri  Franklin, Sussex County, New Jersey, USA view
Andradite R050311 Ca3Fe3+2(SiO4)3 Eugene Schlepp  Calaveras County, California, USA view
Andradite R050377 Ca3Fe3+2(SiO4)3 University of Arizona Mineral Museum 2983 Zlatoust District, South Urals, Russia view
Andradite R060358 Ca3Fe3+2(SiO4)3 Herb Obodda 010 Soghan, near Jiroft, Kerman, Iran view
Andradite R060350 Ca3Fe3+2(SiO4)3 Michael Scott S100023 south of the Gem mine, southern San Benito County, California, USA view
Andradite R060326 Ca3Fe3+2(SiO4)3 Marcus Origlieri  Ultevis, Sweden view
Andradite R060423 Ca3Fe3+2(SiO4)3 Greg Schmidt  Mali view
Andradite R060449 Ca3Fe3+2(SiO4)3 Gemological Institute of America 31344 Namibia view
Andradite R070722 Ca3Fe3+2(SiO4)3 Royal Ontario Museum M42909 Otjosondu, Namibia view
Andradite R100049 Ca3Fe3+2(SiO4)3 William W Pinch  Langban, Filipstad, Varmland, Sweden view
Andradite R100138 Ca3Fe3+2(SiO4)3 William W. Pinch  Madagascar view
Andradite R120004 Ca3Fe3+2(SiO4)3 Jack Lowell  Chifeng, Inner Mongolia view
Ankerite R050181 Ca(Fe2+,Mg)(CO3)2 Marcus Origlieri  Cerro Sapo, Cochabamba Department, Bolivia view
Ankerite R050197 Ca(Fe2+,Mg)(CO3)2 Marcus Origlieri  Brownley Hill mine, Nenthead, Cumbria, England view
Ankerite X050018 Ca(Fe2+,Mg)(CO3)2 American Museum of Natural History 8059 Erzberg, Austria view
Ankerite X050019 Ca(Fe2+,Mg)(CO3)2 American Museum of Natural History 6376 Goldbrath, Austria view
Annite R060204 KFe2+3(AlSi3O10)(OH)2 Royal Ontario Museum M29662 Mont Saint-Hilaire, Rouville County, Quebec, Canada view
Annite R060211 KFe2+3(AlSi3O10)(OH)2 Royal Ontario Museum M51392 Mont Saint-Hilaire, Rouville County, Quebec, Canada view
Apuanite R060674 (Fe2+Fe3+2)(Fe3+2Sb3+4)O12S Michael Scott S101123 Buca della Vena mine, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy view
Arakiite R060812 ZnMn2+12Fe3+2(As3+O3)(As5+O4)2(OH)23 Michael Scott S101159 Nordmark, Sweden view
Arakiite R070172 ZnMn2+12Fe3+2(As3+O3)(As5+O4)2(OH)23 Michael Scott S100741 Langban, Filipstad, Varmland, Sweden view
Arfvedsonite R040127 NaNa2(Fe2+4Fe3+)Si8O22(OH)2 Bob Downs  Mont Saint-Hilaire, Rouville County, Quebec, Canada view
Arfvedsonite R050514 NaNa2(Fe2+4Fe3+)Si8O22(OH)2 Frank Hawthorne  unknown view
Arfvedsonite R110049 NaNa2(Fe2+4Fe3+)Si8O22(OH)2 Donald M Doell  Mount Malosa, Zomba District, Malawi view
Argentojarosite R060097 AgFe3+3(SO4)2(OH)6 University of Arizona Mineral Museum 5015 unknown view
Argentojarosite R060098 AgFe3+3(SO4)2(OH)6 University of Arizona Mineral Museum 2595 Tintic Standard mine, Dividend, Utah, USA view
Argentopyrite R070173 AgFe2S3 Michael Scott S100757 St. Joachimsthal, Bohemia, Czech Republic view
Argentopyrite R090026 AgFe2S3 Mark N. Feinglos  Schaft 209, Aue, Niederschlema, Erzgebirge, Saxony, Germany view
Argentopyrite R090027 AgFe2S3 Mark N. Feinglos  Jáchymov, Ostrov, Krušné Hory Mts, Karlovy Vary Region, Bohemia, Czech Republic view
Armalcolite R070260 (Mg,Fe2+)Ti2O5 Michael Scott S100770 Chelyabinsk Oblast', Urals Region, Russia view
Armalcolite R110187 (Mg,Fe2+)Ti2O5 Hexiong Yang  Synthetic view
Armalcolite R110188 (Mg,Fe2+)Ti2O5 Hexiong Yang  Synthetic view
Arrojadite-(BaNa) R160077 BaNa3(NaCa)Fe2+13Al(PO4)11(PO3OH)(OH)2 James Shigley  Victory mine, near Custer, Custer County, South Dakota, USA view
Arrojadite-(KFe) R070319 (KNa)Fe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2 James Shigley  Nickel Plate mine, Keystone District, Pennington County, South Dakota, USA view
Arrojadite-(KNa) R050107 KNa3(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2 Rock Currier  Big-Fish River, Yukon Territory, Canada view
Arsenbrackebuschite R100184 Pb2(Fe3+,Zn)(AsO4)2(OH,H2O) Marcus Origlieri  Mina Ojuela (Campo Sur), Mapimi, Durango, Mexico view
Arseniosiderite R150062 Ca2Fe3+3O2(AsO4)3·3H2O Michael Scott S104843 Benjamin Hill, Sonora, Mexico view
Arseniosiderite R150061 Ca2Fe3+3O2(AsO4)3·3H2O Bob Jenkins  Las Animas mine, La Mur, Sonora, Mexico view
Arsenopyrite R050071 FeAsS Rock Currier  Yaogangxian mine, Yizhang County, Hunan Province, China view
Arsenopyrite R061082 FeAsS Lloyd Twaites LT 1516 Little Gem mine, Goldbridge, British Columbia, Canada view
Arsenopyrite R070585 FeAsS James Shigley  Standard Consolidated mine, Sumpter District, Baker County, Oregon, USA view
Arthurite R060235 CuFe3+2(AsO4)2(OH)2·4H2O Michael Scott S100155 Copper Stope, Majuba Hill mine, Pershing County, Nevada, USA view
Aspedamite R130014 ◻12(Fe3+,Fe2+)3Nb4[Th(Nb,Fe3+)12O42][(H2O),(OH)]12 Frank C. Hawthorne  Herrebøkasa quarry, Aspedammen, Østfold, Norway view
Astrophyllite R060103 K2NaFe2+7Ti2(Si4O12)2O2(OH)4F University of Arizona Mineral Museum 2924 Brivik, Norway view
Astrophyllite R060202 K2NaFe2+7Ti2(Si4O12)2O2(OH)4F Royal Ontario Museum M27042 Demix Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada view
Atencioite R060893 Ca2Fe2+3Mg2Be4(PO4)6(OH)4·6H2O Michael Scott S100875 Linópolis, Minas Gerais, Brazil view
Augite X050024 (Ca,Mg,Fe)2Si2O6 G.R. Rossman 583 Cedar Butte, Oregon, USA view
Augite X050025 (Ca,Mg,Fe)2Si2O6 G.R. Rossman 1646 Hopi Butte, Diatreme #6, Holbrook, Arizona, USA view
Augite R061086 (Ca,Mg,Fe)2Si2O6 Michael Scott S101798 Boreslav, Teplitz, Bohemia, Czech Republic view
Augite R061108 (Ca,Mg,Fe)2Si2O6 Michael Scott S101803 Monti Rossi, near Mt. Etna, Sicily, Italy view
Augite R070231 (Ca,Mg,Fe)2Si2O6 Michael Scott S105901 Old Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA view
Augite R110063 (Ca,Mg,Fe)2Si2O6 Marcus Origlieri  Betroka, Madagascar view
Augite R190030 (Ca,Mg,Fe)2Si2O6 Mariah Leslie  San Louis Obispo Co., California, USA view
Awaruite R061020 Ni3Fe Michael Scott S100895 Oregon, USA view
Awaruite R070671 Ni3Fe James Shigley  Heazlewood District, Tasmania, Australia view
Axinite-(Fe) R040074 Ca4Fe2+2Al4[B2Si8O30](OH)2 University of Arizona Mineral Museum 8402 Luning, Nevada, USA view
Axinite-(Fe) R050061 Ca4Fe2+2Al4[B2Si8O30](OH)2 Rock Currier  Jamestown, California, USA view
Axinite-(Fe) R050026 Ca4Fe2+2Al4[B2Si8O30](OH)2 Rock Currier  Pouyva mine, Polar Urals, Western Siberian Region, Russia view
Axinite-(Fe) R060183 Ca4Fe2+2Al4[B2Si8O30](OH)2 Lloyd Twaites  Skagit Bluffs, near Manning Park, British Columbia, Canada view
Axinite-(Fe) R060194 Ca4Fe2+2Al4[B2Si8O30](OH)2 Herbert Obodda  near Dalbandi, Baluchistan Province, Pakistan view
Axinite-(Fe) R060558 Ca4Fe2+2Al4[B2Si8O30](OH)2 Gemological Institute of America 14110 unknown view
Babingtonite X050027 Ca2Fe2+Fe3+Si5O14(OH) G.R. Rossman 1887 Kandivill, India view
Babingtonite R060093 Ca2Fe2+Fe3+Si5O14(OH) University of Arizona Mineral Museum 8742 Iron Cap mine, Aravaipa District, Graham County, Arizona, USA view
Babingtonite R060083 Ca2Fe2+Fe3+Si5O14(OH) University of Arizona Mineral Museum 17001 Hampden Quarry, Springfield, Massachusetts, USA view
Babingtonite R060084 Ca2Fe2+Fe3+Si5O14(OH) University of Arizona Mineral Museum 4198 Winchester Highlands, Massachusetts, USA view
Bannisterite R060817 (Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8·nH2O Bob Jenkins  Broken Hill, New South Wales, Australia view
Barbosalite R070358 Fe2+Fe3+2(PO4)2(OH)2 Michael Scott S104945 Bull Moose mine, Custer, Custer District, Custer County, South Dakota, USA view
Barićite R061045 (Mg,Fe)3(PO4)2·8H2O Michael Scott S100392 Rapid Creek, Yukon, Canada view
Bariopharmacosiderite R060571 Ba0.5Fe3+4(AsO4)3(OH)4·5H2O Michael Scott S100251 Barrus mine, Pyramid District, Washoe County, Nevada, USA view
Barringerite R070439 (Fe,Ni)2P Paul Roth  Dredged from Tampa Bay harbour, Tampa Bay, Florida, USA view
Bartelkeite R070114 PbFe2+Ge(Ge2O7)(OH)2·H2O William W. Pinch  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia view
Bassetite R080027 Fe2+(UO2)2(PO4)2(H2O)10 Mark N. Feinglos  Arcu su Linnarbu, Capoterra, Cagliari, Sardinia view
Beaverite-(Cu) R060400 Pb(Fe3+2Cu)(SO4)2(OH)6 American Museum of Natural History 17785 Utah, USA view
Bendadaite R080112 Fe2+Fe3+2(AsO4)2(OH)2·4H2O Luiz Menezes  Almerindo mine, Linópolis district, Divino das Laranjeiras, Minas Gerais, Brazil view
Benyacarite R130130 (H2O)2Mn2Ti2Fe3+(PO4)4(OF)(H2O)10·4H2O Don Doell (small piece), Rock Currier (large piece)  El Criollo mine, Cerro Blanco, Tanti, Punilla, Córdoba, Argentina view
Beraunite R060464 Fe3+6(PO4)4O(OH)4·6H2O Michael Scott S100187 York mine, Polk County, Arkansas, USA view
Beraunite R060696 Fe3+6(PO4)4O(OH)4·6H2O Bob Jenkins  Three Oak Gap, Shady, Polk County, Arkansas, USA view
Berthierine R110177 (Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4 Donald Doell  DeMix quarry, Mont St-Hilaire, Quebec view
Berthierite R070177 FeSb2S4 Michael Scott S101663 Baia Sprie mine (Felsöbánya mine), Baia Sprie (Felsöbánya), Maramures County, Romania view
Betekhtinite R070087 (Cu,Fe)21Pb2S15 Michael Scott S101421 Dzhezkazgan deposit, central Kazakhstan view
Betpakdalite-CaMg R060242 [Ca2(H2O)17Mg(H2O)6][Mo6+8As5+2Fe3+3O36(OH)] William W. Pinch  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia view
Beudantite R060985 PbFe3+3(AsO4)(SO4)(OH)6 Bob Jenkins  Kintore Opencut, Broken Hill, New South Wales, Australia view
Beudantite R070189 PbFe3+3(AsO4)(SO4)(OH)6 William W. Pinch  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia view
Beudantite R070190 PbFe3+3(AsO4)(SO4)(OH)6 William W. Pinch  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia view
Beudantite R070492 PbFe3+3(AsO4)(SO4)(OH)6 Bob Jenkins  Capitana mine, Copiapó Province, Atacama Region, Chile view
Beudantite R070502 PbFe3+3(AsO4)(SO4)(OH)6 Bob Jenkins  Dulcinea, Copiapó Province, Atacama Region, Chile view
Beudantite R100183 PbFe3+3(AsO4)(SO4)(OH)6 Marcus Origlieri  Mina Ojuela (Campo Sur), Mapimi, Durango, Mexico view
Bílinite R070187 Fe2+Fe3+2(SO4)4·22H2O James Shigley  Runge mine, near Edgemont, Fall River County, South Dakota, USA view
Bixbyite-(Fe) R050395 Fe3+2O3 Marcus Origlieri  Thomas Range, Juab County, Utah, USA view
Bobfergusonite R160069 ◻Na2Mn2+5Fe3+Al(PO4)6 Thomas A. Loomis  Nancy Pegmatite, Chacabuco Dept, San Luis, Argentina view
Bokite R060590 (Al,Fe)1.3(V5+,V4+,Fe3+)8O20·7.5H2O Michael Scott S100790 Monument #2 mine, Apache County, Arizona, USA view
Bornite R050322 Cu5FeS4 Lloyd Twaites  Bethlehem Copper mine, Highland Valley, Logan Lake, British Columbia, Canada view
Bornite R070636 Cu5FeS4 Michael Scott S100287 mine 65, 180 m. level, Dzheskazgan mining district, central Kazakhstan view
Botryogen R070362 MgFe3+(SO4)2(OH)·7H2O Michael Scott S102842 Queténa Mine, Calama, El Loa Province, Antofagasta Region, Chile view
Botryogen R070581 MgFe3+(SO4)2(OH)·7H2O James Shigley  Redington mine, Knoxville, Napa County, California, USA view
Brendelite R130059 (Bi,Pb)2(Fe3+,Fe2+)O2(OH)(PO4) William W. Pinch  Güldener Falk mine, Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany view
Brownmillerite R130105 Ca2Fe3+AlO5 Donald Doell  Ettringer Feld, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany view
Brunogeierite R090012 Fe2+2Ge4+O4 William W. Pinch  Tsumeb, Namibia view
Bukovskýite R050630 Fe3+2(AsO4)(SO4)(OH)·7H2O University of Arizona Mineral Museum 10053 Kutna Hora, Bohemia, Czechoslovakia view
Burangaite R070408 NaFe2+Al5(PO4)4(OH)6·2H2O Michael Scott S100534 Buranga pegmatite, Gatumba District, Gisenyi Province, Rwanda view
Buseckite R130007 (Fe,Zn,Mn)S Chi Ma  Zakłodzie meteorite, Zakłodzie, Poland view
Butlerite R110160 Fe3+(SO4)(OH)·2H2O George Rossman, California Institute of Technology CIT-9167, GRR186, USNM 95953 United Verde mine, Jerome, Arizona view
Cacoxenite R070141 Fe3+24AlO6(PO4)17(OH)12·75H2O Michael Scott S103919 Rotläufchen Mine, Waldgirmes, Wetzlar, Hesse, Germany view
Cafarsite R080118 (Ca,Na,◻)19Ti8Fe3+4Fe2+4(AsO3)28F Renato and Adriana Pagano  Monte Cervandone, Val Devero, Piedmont, Italy view
Calcioferrite R120092 Ca4MgFe3+4(PO4)6(OH)4·12H2O Bob Jenkins  Moculta quarry, Angastan, South Australia, Australia view
Calderónite R050538 Pb2Fe3+(VO4)2(OH) Andy Anderson  Tres de Mayo, Santa Cruz County, Arizona, USA view
Calderónite R060427 Pb2Fe3+(VO4)2(OH) Michael Scott S100243 Las Colmenitas mine, Santa Marta, Badajoz, Extremadura, Spain view
Camaronesite R150145 Fe3+2(PO3OH)2(SO4)(H2O)4·1-2H2O Robert Jenkins  Camarones Valley, Arica Province, Chile view
Canosioite R220035 Ba2Fe3+(AsO4)2(OH) Fernando Cámara  Valletta mine, Maira Valley, Piedmont, Italy view
Caresite R120028 Fe2+4Al2(OH)12(CO3)·3H2O Donald Doell  Mont Saint-Hilaire, Rouville County, Québec, Canada view
Carlosturanite R060259 (Mg,Fe2+,Ti)21(Si,Al)12O28(OH)34·H2O Michael Scott S100338 Val Varaita, near Sempeyre, Piedmont, Italy view
Carlsonite R220026 (NH4)5Fe3+3O(SO4)6·7H2O Rock Currier  Burnside, Northumberland Co., Pennsylvania, USA view
Carminite R050528 PbFe3+2(AsO4)2(OH)2 University of Arizona Mineral Museum 10370 Las Animas mine, Benjamin Hill, Sonora, Mexico view
Carminite R061061 PbFe3+2(AsO4)2(OH)2 Bob Jenkins  San Nicolas mine, Badajoz Province, Spain view
Caryochroite R070008 (Na,Sr)3(Fe3+,Mg)10Ti2Si12O37(H2O,O,OH)17 Michael Scott S100962 Umbozero mine, Alluaiv Mt., Lovozero massif, Kola Peninsula, Russia view
Čechite R070363 PbFe2+(VO4)(OH) Michael Scott S102426 Alexander mine, Vrancice, Příbram, Central Bohemia Region, Bohemia, Czech Republic view
Čechite R170047 PbFe2+(VO4)(OH) Joan Rosell, Tariq Jawhari, Jordi Ibáñez and Xavier Llovet (CCiTUB Barcelona)  Maria Magdalena mine, Ulldemolins, Priorat, Tarragona, Catalonia, Spain view
Cervandonite-(Ce) R110070 (Ce,Nd,La)(Fe3+,Ti,Fe2+,Al)3O2(Si2O7)1-x+y(AsO3)1+x-y(OH)3x-3y Renato & Adriana Pagano  Monte Cervandone, Val d'Ossola, Piedmont, Italy view
Chalcopyrite R050018 CuFeS2 Eugene Schlepp  Sudbury, Ontario, Canada view
Chalcopyrite R050208 CuFeS2 Lloyd Twaites  Kidd Creek mine, Timmins, Ontario, Canada view
Chalcopyrite R050222 CuFeS2 Bob Downs  Iron Cap mine, Landsman Camp, Graham County, Arizona, USA view
Chalcopyrite R050559 CuFeS2 Dave Bunk Minerals  Recuerdo Vein, Haunzala mine, Huallanca District, Dos de Mayo Province, Huanuco Department, Peru view
Chalcosiderite R060007 CuFe3+6(PO4)4(OH)8·4H2O William W. Pinch, Bob Jenkins  Cerro Negro mine, Carrizalillo, Chile view
Chalcosiderite R060339 CuFe3+6(PO4)4(OH)8·4H2O Michael Scott S100184 Gunheath Pit, St. Austell, Cornwall, England view
Chamosite R060188 (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8 Lloyd Twaites  Slesse Creek, Chilliwack, British Columbia, Canada view
Chamosite R070728 (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8 Michael Scott S103487 Mount Shasta, Michigamme, Michigan, USA view
Chapmanite R060910 Fe3+2Sb3+(Si2O5)O3(OH) Royal Ontario Museum M14075 Cobalt, Ontario, Canada view
Chayesite R080059 KMg4Fe3+[Si12O30] Michael Scott S101274 Pauliberg by Landsee, Burgenland, Austria view
Chayesite R070367 KMg4Fe3+[Si12O30] Michael Scott S100519 Moon Canyon, Woodland, Summit County, Utah, USA view
Chenevixite R040166 CuFe3+(AsO4)(OH)2 Andy Anderson  Volcanic Sunnyside mine, Santa Cruz County, Arizona, USA view
Chenevixite R100177 CuFe3+(AsO4)(OH)2 Joe Ruiz  Patagonia Mountains, Harshaw District, Santa Cruz County, Arizona view
Chestermanite R070351 Mg2(Fe3+,Mg,Al,Sb5+)O2(BO3) Michael Scott S100529 Twin Lakes region, Kaiser Peak quadrangle, Fresno County, California, USA view
Chevkinite-(Ce) R060282 Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2 Herb Obodda 093 Arondu, Basha Valley, Baltistan, Pakistan view
Chevkinite-(Ce) R060419 Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2 Herb Obodda 110 Arondu, Basha Valley, Baltistan, Pakistan view
Childrenite R060146 Fe2+Al(PO4)(OH)2·H2O Marcus Origlieri  George and Charlotte mine, Tavistock, Devon, England view
Childrenite R070538 Fe2+Al(PO4)(OH)2·H2O James Shigley  Llallagua, Bustillos Province, Potosi, Bolivia view
Chlorbartonite R070178 K6Fe24S26Cl Michael Scott S100508 Coyote Peak, Orick, Humboldt County, California, USA view
Chlorbartonite R070369 K6Fe24S26Cl Michael Scott S104805 Koashva Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia view
Chloritoid R050334 Fe2+Al2O(SiO4)(OH)2 George Rossman 2341 Selçuk, Mugla Province, Turkey view
Chloritoid R060292 Fe2+Al2O(SiO4)(OH)2 Herb Obodda 080 Pech, Kunar Province, Afghanistan view
Christofschäferite-(Ce) R141090 (Ce,La,Ca)4Mn(Ti,Fe)3(Fe,Ti)(Si2O7)2O8 Ch. and H. Schäfer  Wingertsberg pumice quarry, Laach lake volcano, Mendig, Eifel, Germany view
Chromite R110059 Fe2+Cr2O4 James Shigley  Mount Diablo, Contra Costa County, California, USA view
Chromite R110060 Fe2+Cr2O4 James Shigley  Pilliken mine, south of Auburn, El Dorado County, California, USA view
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 view
Clinoferroholmquistite R110165 ◻Li2[Fe2+3Al2]Si8O22(OH,F)2 Donald V Doell  Quebec Lithium Corporation mine, La Corne, Abitibi RCM, Abitibi-Témiscamingue, Québec, Canada view
Clinoferrosilite R141085 Fe2+2Si2O6 Ch. and H. Schäfer  Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany view
Coalingite R110196 Mg10Fe3+2(CO3)(OH)24·2H2O James Shigley  San Benito County, California (about 35 miles NW of Coalinga), USA view
Coalingite R110197 Mg10Fe3+2(CO3)(OH)24·2H2O Donald Doell  Hunting Hill quarry, Rockville, Montgomery County, Maryland, USA view
Cobaltarthurite R070224 CoFe3+2(AsO4)2(OH)2·4H2O Michael Scott S100456 Dolores prospect, Pastrana, Mazarrón-Aguilas, Murcia, Spain view
Coconinoite R060952 Fe3+2Al2(UO2)2(PO4)4(SO4)(OH)2·20H2O Bob Jenkins  Jomac mine, White Canyon Mining District, San Juan County, Utah, USA view
Cohenite R100076 CFe3 Michael Scott S101369 Asuk, Disko, West Greenland, Greenland view
Columbite-(Fe) R050348 Fe2+Nb2O6 California Institute of Technology  Lord Hill mine, Stoneham, Oxford County, Maine, USA view
Columbite-(Fe) R060001 Fe2+Nb2O6 Eric Van Valkenburg  Gypsy mine, Minas Gerais, Brazil view
Columbite-(Fe) R070161 Fe2+Nb2O6 James Shigley  Tveit mine, Iveland, Setesdal Valley, Aust-Agder, Norway view
Congolite R070149 Fe2+3B7O13Cl James Shigley  Lower Saxony, Germany view
Congolite R110153 Fe2+3B7O13Cl Donald M Doell and Brian Roulston  Potash Corporation of Saskatchewan mine, Penobsquis, Kings County, New Brunswick, Canada view
Copiapite R060821 Fe2+Fe3+4(SO4)6(OH)2·20H2O Bob Jenkins  Alcaparrosa mine, Tierra Amarilla, Chile view
Coquimbite R060638 AlFe3(SO4)6(H2O)12·6H2O University of Arizona Mineral Museum 15636 Dexter no. 7 mine, Calf Mesa, San Rafael Swell, Emery County, Utah, USA view
Coquimbite R070666 AlFe3(SO4)6(H2O)12·6H2O Michael Scott S105523 United Verde Mine, Jerome, Verde District, Black Hills (Black Hill Range), Yavapai County, Arizona, USA view
Coquimbite R110210 AlFe3(SO4)6(H2O)12·6H2O Gunnar Farber  Mina Alcaparrosa, Cerritos Bayos, Calama, Atacama, II Region, Chile view
Corkite R050522 PbFe3+3(SO4)(PO4)(OH)6 University of Arizona Mineral Museum 2490 near Dernbach, Nassau, Germany view
Corkite R070403 PbFe3+3(SO4)(PO4)(OH)6 Michael Scott S101909 Waldschacht mine (shaft 26), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany view
Corkite R070491 PbFe3+3(SO4)(PO4)(OH)6 Bob Jenkins  Iron Crag, Roughton Gill, Caldbeck Fells, Cumbria (Cumberland), England, United Kingdom view
Correianevesite R060701 Fe2+Mn2+2(PO4)2·3H2O Bob Jenkins  Linopolis, Minas Gerais, Brazil view
Correianevesite R090069 Fe2+Mn2+2(PO4)2·3H2O Royal Ontario Museum M54960 Cigana mine, Galiléia, Minas Gerais Brazil view
Correianevesite R130692 Fe2+Mn2+2(PO4)2·3H2O Rob Lavinsky  Hagendorf South Pegmatite, Hagendorf, Waidhaus, Vohenstrauß, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany view
Corvusite R060265 (Na,Ca,K)1-x(V5+,V4+,Fe2+)8O20·4H2O Michael Scott S100247 Monument no. 2 mine, Monument Valley, Apache County, Arizona, USA view
Coyoteite R070143 NaFe3S5·2H2O Michael Scott S100521 Coyote Peak, Orick, Humboldt County, California, USA view
Creaseyite R130418 Cu2Pb2Fe3+2Si5O17·6H2O Bob Jenkins  Navojoa, Municipio de Navojoa, Sonora, Mexico view
Creaseyite R140557 Cu2Pb2Fe3+2Si5O17·6H2O Ron Gibbs  Evening Star mine, Tiger Wash, Belmont Mountain, Tonopah, Osborn District, Big Horn Mts, Maricopa County, Arizona, USA view
Crichtonite R060314 Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38 Michael Scott S100254 Fazenda Guariba, Minas Gerais, Brazil view
Crichtonite R090006 Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38 Luiz Menezes  Presidente Kubitschek, Minas Gerias, Brazil view
Cronstedtite R061026 (Fe2+,Fe3+)3(Si,Fe3+)2O5(OH)4 Michael Scott S101349 Kisbanya, Hungary view
Cubanite R061068 CuFe2S3 Lloyd Twaites LT1378 Henderson #2 mine, Chibougamau, Quebec, Canada view
Cuzticite C130838 Fe3+2Te6+O6·3H2O Rock Currier  Moctezuma mine, Moctezuma, Municipio de Moctezuma, Sonora, Mexico view
Cylindrite R050175 FePb3Sn4Sb2S14 Marcus Origlieri  Poopó Province, Oruro Department, Bolivia view
Cylindrite R050329 FePb3Sn4Sb2S14 Lloyd Twaites  Poopó Province, Oruro Department, Bolivia view
Cyrilovite R060504 NaFe3+3(PO4)2(OH)4·2H2O Michael Scott S100184 Gunheath pit, St. Austell, Cornwall, England view
Danalite R060057 Be3Fe2+4(SiO4)3S University of Arizona Mineral Museum 14030 Iron Mountain, Winston, New Mexico, USA view
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 view
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 view
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 view
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 view
Deerite R070393 Fe2+6Fe3+3(Si6O17)O3(OH)5 Michael Scott S101050 Laytonville quarry, Laytonville, Mendocino County, California, USA view
Delafossite R050403 Cu1+Fe3+O2 Marcus Origlieri  Cole Shaft, Bisbee, Cochise County, Arizona, USA view
Derbylite R070382 Fe3+4Ti4+3Sb3+O13(OH) Michael Scott S103832 Buca della Vena Mine, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy view
Destinezite R050631 Fe3+2(PO4)(SO4)(OH)·6H2O University of Arizona Mineral Museum 12690 Patagonia Mountains, Arizona, USA view
Devitoite R130083 Ba6Fe2+7Fe3+2(Si4O12)2(PO4)2(CO3)O2(OH)4 George R. Rossman  Big Creek in eastern Fresno County, California, USA view
Diadochite R120021 Fe3+2(PO4)(SO4)(OH)·6H2O Dr. Jürgen Wachsmuth  Vysočany, Prague, Czech Republic view
Dingdaohengite-(Ce) R150046 (Ce,La)4Fe2+(Ti,Fe2+,Mg,Fe3+)2Ti2Si4O22 Paul Botha  Mulanje Massif, Malawi view
Dixenite R100044 Cu1+Fe3+Mn2+14(As5+O4)(As3+O3)5(SiO4)2(OH)6 William W Pinch  Moss mine, Nordmark, Varmland, Sweden view
Djerfisherite R070390 K6(Fe,Cu,Ni)25S26Cl Michael Scott S103893 Noril'sk, Putoran Mts, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia view
Dondoellite R140175 Ca2Fe(PO4)2·2H2O Rock Currier  Messel mine, Messel, Darmstadt, Hesse, Germany view
Dondoellite R210003 Ca2Fe(PO4)2·2H2O Donald Doell  Grizzly Bear Creek, Stoneman Camp (Area B; Area 2), Rapid Creek, Dawson mining district, Yukon, Canada view
Dussertite R060398 BaFe3+3(AsO4)(AsO3OH)(OH)6 American Museum of Natural History 21676 Constantine, Algeria view
Dussertite R070486 BaFe3+3(AsO4)(AsO3OH)(OH)6 Bob Jenkins  Clara mine, Rankach Valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany view
Earlshannonite R100095 Mn2+Fe3+2(PO4)2(OH)2·4H2O   Foote mine, Kings Mountain, North Carolina view
Eclarite R110124 (Cu,Fe)Pb9Bi12S28 Mark Feinglos   Crabtree quarry, Wake County, North Carolina, USA view
Edgarite R060850 FeNb3S6 Michael Scott S100920 Kukisvumchorr Mountain, Khibina massif, Kola, Russia view
Ekatite R110136 (Fe3+,Fe2+,Zn)12(AsO3)6(AsO3,SiO3OH)2(OH)6 William W. Pinch  Tsumeb, Namibia view
Emeleusite R061034 Na2LiFe3+Si6O15 Michael Scott S101307 Igdlutalig, Ilimaussaq, Greenland view
Emmonsite R060802 Fe3+2(Te4+O3)3·2H2O Michael Scott S100201 Moctezuma mine, Moctezuma, Sonora, Mexico view
Emmonsite R120126 Fe3+2(Te4+O3)3·2H2O Robert A. Jenkins  Wendy open pit, Tambo mine, El Indio deposit, Elqui Province, Coquimbo Region, Chile view
Emmonsite R130473 Fe3+2(Te4+O3)3·2H2O Rock Currier  Tombstone, Arizona, USA view
Epidote R040089 Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) University of Arizona Mineral Museum 4485 Grafton County, New Hampshire, USA view
Epidote R040092 Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) University of Arizona Mineral Museum 2179 Nahant, Massachusetts, USA view
Epidote R050064 Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) Rock Currier  East Xichang City, Meigu County, Sichuan Province, China view
Epidote R050131 Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) Dave Bunk Minerals  Calumet mine, Chaffee County, Colorado, USA view
Epidote R050191 Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) Dave Bunk Minerals  Pampa Blanca, Castrovirreyna Province, Huancavelica Department, Peru view
Epidote R050202 Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) Bob Downs  Iron Cap mine, Landsman Camp, Graham County, Arizona, USA view
Epidote X050073 Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) RD Shannon, 62047- 72 Pakistan view
Epidote R050303 Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) Eugene Schlepp  San Martin mine, Zacatecas, Mexico view
Epidote R070205 Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) Renato and Adriana Pagano  Jebel Shacro, Morocco view
Epidote R100129 Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) William W. Pinch  Pakistan-Afganistan view
Epidote R100148 Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) William W. Pinch  Ethiopia view
Epidote R110127 Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) Jack Lowell  Alchori, Pakistan view
Epidote R110129 Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) Jack Lowell   Quetta, Baluchistan, Pakistan view
Erdite R070139 NaFeS2·2H2O Michael Scott S100558 Coyote Peak, Orick, Humboldt County, California, USA view
Ericaite R130476 Fe2+3B7O13Cl Rock Currier  Bischofferode, Kreis Worbis, Thuringen, Germany view
Ericaite R130477 Fe2+3B7O13Cl Rock Currier  Sudahm, Germany view
Ericssonite R070615 BaMn2+2Fe3+(Si2O7)O(OH) Rock Currier (large piece), Michael Scott (small piece) S100162 Langban, Filipstad, Varmland, Sweden view
Ericssonite R130001 BaMn2+2Fe3+(Si2O7)O(OH) Marcus Origlieri  Langban, Filipstad, Varmland, Sweden view
Ernstite R141205 (Mn2+,Fe3+)Al(PO4)(OH,O)2 Smithsonian 145620 view
Erythrosiderite R120084 K2Fe3+Cl5·H2O Robert Jenkins  Mount Vesuvius, Campania, Italy view
Eskebornite R060791 CuFeSe2 Michael Scott S101151 Slavkovice Morava, Czech Republic view
Esseneite R061123 CaFe3+AlSiO6 Michael Scott S104474 Durham Ranch, South of Gillette, Sublette County, Wyoming, USA view
Eudialyte R050230 Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2 Marcus Origlieri  Kipawa alkaline complex, near Sheffield Lake, Villedieu Township, Temiscamingue County, Quebec, Canada view
Eudialyte R060035 Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2 University of Arizona Mineral Museum 9530 Chibini, Kola Peninsula, Russia view
Eudialyte R060206 Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2 Royal Ontario Museum M27116 Desourdy Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada view
Eztlite R130488 Pb2Fe3+3(Te4+O3)3(SO4)O2Cl Rock Currier  Moctezuma, Sonora, Mexico view
Faheyite R100084 Be2Mn2+Fe3+2(PO4)4·6H2O Royal Ontaario Museum M56011 Sapucaia mine, Galiléia, Minas Gerais, Brazil view
Fayalite X050076 Fe2+2(SiO4) RD Shannon 62047- 8 view
Fayalite X050077 Fe2+2(SiO4) G.R. Rossman 618 synthetic view
Fayalite R070157 Fe2+2(SiO4) James Shigley  Coso Hot Springs, Inyo County, California, USA view
Fayalite R070374 Fe2+2(SiO4) Michael Scott S104909 Little Lake, Lake County, California, USA view
Fayalite R070293 Fe2+2(SiO4) Michael Scott S106013 Pike's Peak, Teller County, Colorado, USA view
Fayalite R100102 Fe2+2(SiO4) American Museum of Natural History B06-045 Bushveld Intrusive, 7 km east of Olepane, Limpopo Province, South Africa view
Fayalite R100103 Fe2+2(SiO4) American Museum of Natural History 89035 Franklin, Sussex County, New Jersey, USA view
Fayalite R100104 Fe2+2(SiO4) American Museum of Natural History 75253 Dannemora, Uppsala Province, Sweden view
Feklichevite R120046 Na11Ca9(Fe3+,Fe2+)2Zr3Nb(Si25O73)(OH,H2O,Cl,O)5 Donald Doell  Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia view
Fenaksite R080135 KNaFe2+Si4O10 Michael Scott S105088 Yukspor Mountain, Khibiny Massif, Kola Peninsula, Russia view
Fencooperite R061032 Ba6Fe3+3Si8O23(CO3)2Cl3·H2O Michael Scott S101302 Trumbull Peak, Mariposa County, California, USA view
Ferberite R040044 Fe2+(WO4) University of Arizona Mineral Museum 2033 Chocote, Bolivia view
Ferberite R050090 Fe2+(WO4) Rock Currier  Yaogangxian mine, Cheng Zhu City, South Hunan, China view
Ferberite R050632 Fe2+(WO4) University of Arizona Mineral Museum 15596 Chance mine, Boulder, Colorado, USA view
Fernandinite R070694 (Ca,Na,K)0.9(V5+,V4+,Fe2+,Ti)8O20·4H2O James Shigley  Ragra mine, Junin, Cerro de Pasco, Pasco, Peru view
Ferri-kaersutite R150047 NaCa2(Mg3Fe3+Ti)(Si6Al2)O22O2 Donald Doell  Rothenberg quarry, Mendig, Eifel, Germany view
Ferri-pedrizite R070344 NaLi2(Mg2Fe3+2Li)Si8O22(OH)2 Michael Scott S105090 east Pedriza Massif, Sierra de Guadarrama, Spain view
Ferri-winchite R060038 ◻(NaCa)(Mg4Fe3+)Si8O22(OH)2 University of Arizona Mineral Museum 17021 Imerina, Madagascar view
Ferri-winchite R060704 ◻(NaCa)(Mg4Fe3+)Si8O22(OH)2 Michael Scott S101226 Tirodi mines, Central Provinces, India view
Ferriallanite-(Ce) R060813 CaCe(Fe3+AlFe2+)[Si2O7][SiO4]O(OH) Michael Scott S101160 Bastnas, Sweden view
Ferriallanite-(La) R141069 CaLa(Fe3+AlFe2+)[Si2O7][SiO4]O(OH) Ch. and H. Schäfer  In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany view
Ferricopiapite R060721 Fe3+0.67Fe3+4(SO4)6(OH)2·20H2O University of Arizona Mineral Museum 8033 Alcaparrosa mine, near Cerritos Bayos, El Loa Province, Chile view
Ferrilotharmeyerite R060209 CaZnFe3+(AsO4)2(OH)·H2O William W. Pinch  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia view
Ferrimolybdite R050566 Fe3+2(Mo6+O4)3·7H2O University of Arizona Mineral Museum 3610 Kingman, Arizona, USA view
Ferrimolybdite R050542 Fe3+2(Mo6+O4)3·7H2O University of Arizona Mineral Museum 1774 Alicante mine, Colorado, USA view
Ferrinatrite R170042 Na3Fe3+(SO4)3·3H2O James Shigley  Alcaparrosa, Antofogasta, Chile view
Ferrisurite R060055 Pb2.4Fe3+2Si4O10(CO3)1.7(OH)3·nH2O Marcus Origlieri  Shirley Ann Claim, Death Valley National Monument, Inyo County, California, USA view
Ferro-actinolite R060189 ◻Ca2(Mg2.5-0.0Fe2+2.5-5.0)Si8O22(OH)2 Lloyd Twaites  Merry Widow mine, Vancouver Island, British Columbia, Canada view
Ferro-edenite R060044 NaCa2Fe2+5(Si7Al)O22(OH)2 University of Arizona Mineral Museum 13355 Barkevik, Norway view
Ferro-ferri-fluoro-leakeite R070468 NaNa2(Fe2+2Fe3+2Li)Si8O22F2 Michael Scott S100582 Questa, Taos County, New Mexico, USA view
Ferro-ferri-hornblende R170006 ◻Ca2(Fe2+4Fe3+)(Si7Al)O22(OH)2 Renato and Adriana Pagano  Miniera di Traversella, Ivrea, Torino, Piedmont, Italy view
Ferro-gedrite R060330 ◻Fe2+2(Fe2+3Al2)(Si6Al2)O22(OH)2 Michael Scott S100310 Kawai mine, Ena City, Gifu Prefecture, Japan view
Ferro-gedrite R070531 ◻Fe2+2(Fe2+3Al2)(Si6Al2)O22(OH)2 James Shigley  Ludvika, Dalarna District, Kopparberg, Sweden view
Ferro-holmquistite R070005 ◻Li2(Fe2+3Al2)Si8O22(OH)2 Michael Scott S101201 Mount Marrion, South Australia, Australia view
Ferro-katophorite R050633 Na(NaCa)(Fe2+4Al)(Si7Al)O22(OH)2 Marcus Origlieri  Taguchi mine, Shidara, Kitashidara-Gun, Aichi Prefecture, Japan view
Ferro-pargasite R090015 NaCa2(Fe2+4Al)(Si6Al2)O22(OH)2 Herb Obodda  Basha Valley, Skardu District, Baltistan, Northern Areas, Pakistan view
Ferroalluaudite R100070 NaFe2+Fe3+2(PO4)3 Royal Ontario Museum  Rapid Creek area, Yukon, Canada view
Ferrobobfergusonite R140993 ◻Na2Fe2+5Fe3+Al(PO4)6 Rock Currier  Victory mine, Custer, Custer District, Custer County, South Dakota, USA view
Ferrobustamite R140843 CaFe2+Si2O6 Michael Scott S106010 Horado mine, Gifu Prefecture, Chubu Region, Honshu Island, Japan view
Ferroceladonite R070442 KFe2+Fe3+Si4O10(OH)2 Michael Scott S104918 Gravel Quarry, Mikhailov, Ryazanskaya Oblast', North-Western Region, Russia view
Ferroericssonite R070406 BaFe2+2Fe3+(Si2O7)O(OH) Michael Scott S104468 Big Creek, Fresno County, California, USA view
Ferrofettelite R100124 [Ag6As2S7][Ag10FeAs2S8] William W. Pinch  Nieder-Berbach, Odenwald, Germany view
Ferrohögbomite-2N2S R061017 (Fe,Mg,Zn,Al)3(Al,Ti,Fe)8O15(OH) Michael Scott S101479 Claim Kastor, Vallatjvaratj, Lapland, Sweden view
Ferrohögbomite-2N2S R070156 (Fe,Mg,Zn,Al)3(Al,Ti,Fe)8O15(OH) James Shigley  Norway view
Ferrokentbrooksite R110183 Na15Ca6Fe2+3Zr3Nb(Si25O73)(O,OH,H2O)3(F,Cl)2 Donald Doell  Poudrette quarry, Mont St-Hilaire, Quebec, Canada view
Ferrokësterite R060870 Cu2FeSnS4 Michael Scott S101027 Cligga mine, Perranzabuloe, Cornwall, England view
Ferrokësterite R110173 Cu2FeSnS4 Brian Kosnar  San Jose mine, Oruro, Bolivia view
Ferronigerite-2N1S R120083 (Al,Fe,Zn)2(Al,Sn)6O11(OH) Robert Jenkins  Seixoso quarry, Lixa, Portugal view
Ferronordite-(Ce) R130528 Na3SrCeFe2+Si6O17 Rock Currier  Bolshoi Punkaruaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia view
Ferroselite R070461 FeSe2 Michael Scott S105137 Virgin No. 3 mine, Paradox Valley, Uravan District, Montrose County, Colorado, USA view
Ferrosilite X050187 Fe2+2Si2O6 Caltech 418 unknown view
Ferrosilite R070386 Fe2+2Si2O6 Subrata Ghose, collected by Ramberg  Greenland view
Ferrosilite R070387 Fe2+2Si2O6 Jibamitra Ganguly  Central Gneissic Complex (Khtada Lake), British Columbia, Canada view
Ferrostrunzite R100079 Fe2+Fe3+2(PO4)2(OH)2·6H2O Jeff Weissman  Hornerstown, Monmouth County, New Jersey, USA view
Ferrowodginite R120166 Fe2+Sn4+Ta2O8 Rock Currier  Nyanga #2 pegmatite, Ankloe, Uganda view
Ferrowyllieite X050078 NaNaFe2+(Fe2+Al)(PO4)3 Caltech  view
Ferrowyllieite R060178 NaNaFe2+(Fe2+Al)(PO4)3 Marcus Origlieri  Victory mine, Custer County, South Dakota, USA view
Ferrowyllieite R160068 NaNaFe2+(Fe2+Al)(PO4)3 James Shigley  Victory mine, near Custer, Custer County, South Dakota, USA view
Feruvite R061109 CaFe2+3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH) Michael Scott S104927 Red Cross Lake, Manitoba, Canada view
Fetiasite R100014 (Fe2+,Fe3+,Ti4+)3O2As3+2O5 William Pinch  Gorb, Binnental, Valais, Switzerland view
Fibroferrite R061076 Fe3+(SO4)(OH)·5H2O Michael Scott S101327 Cyprus view
Fluor-buergerite R060132 NaFe3+3Al6(Si6O18)(BO3)3O3F University of Arizona Mineral Museum 13422 20 km. south of San Luis Potasi, Mexico view
Foitite R050356 ◻(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH) George Rossman  Fano mine, Cahuilla Mountain, Riverside County, California, USA view
Foitite R050495 ◻(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH) California Institute of Technology W-20793 Coahuila Mountain, California, USA view
Foitite R100088 ◻(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH) Mark Mauthner  Oceanview mine, Chief Mountain, Pala District, San Diego County, California, USA view
Franckeite R060946 Pb21.7Sn9.3Fe4.0Sb8.1S56.9 Lloyd Twaites  Hoei tin mine, Kyushu Island, Japan view
Franckeite R140342 Pb21.7Sn9.3Fe4.0Sb8.1S56.9 James Shigley  Pacific Limestone Products Quarry, near Santa Cruz, Santa Cruz County, California, USA view
Franklinite R070137 ZnFe3+2O4 Michael Scott S100420 Franklin mine, Franklin, Sussex County, New Jersey, USA view
Frondelite R050622 (Mn2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5 University of Arizona Mineral Museum 2647 Hagendorf, Bavaria, Germany view
Gadolinite-(Y) R060351 Y2Fe2+Be2O2(SiO4)2 Herb Obodda 031 Hittero, Vest-Agder, Norway view
Gadolinite-(Y) R070340 Y2Fe2+Be2O2(SiO4)2 Michael Scott S103589 Ytterøya Mine, Røvika, Ytterøya (island), Levanger, Nord-Trøndelag, Norway view
Gadolinite-(Y) R080129 Y2Fe2+Be2O2(SiO4)2 Michael Scott S103589 Ytterøya mine, Røvika, Ytterøya (island), Levanger, Nord-Trøndelag, Norway view
Gadolinite-(Y) R120138 Y2Fe2+Be2O2(SiO4)2 William Shelton  Ytterby, Uppland, Sweden view
Gamagarite R130111 Ba2Fe3+(VO4)2(OH) Don Doell (Small piece), Rock Currier (Large piece)  Molinello mine, Graveglia Valley, Genova Province, Liguria, Italy view
Gartrellite R060881 PbCuFe3+(AsO4)2(OH)·H2O Bob Jenkins  Ashburton Downs, Western Australia view
Georgbarsanovite R070101 Na12(Mn,Sr,REE)3Ca6Fe2+3Zr3NbSi25O76Cl2·H2O Michael Scott S105094 Petrelius Mountain, Khibiny Massif, Kola Peninsula, Russia view
Germanite R050439 Cu13Fe2Ge2S16 University of Arizona Mineral Museum 10953 Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia view
Gillespite R060060 BaFe2+Si4O10 University of Arizona Mineral Museum 9721 Incline, California, USA view
Gillespite R061031 BaFe2+Si4O10 Michael Scott S101347 La Madrelena mine, Tres Pozos, Municipio de Tecate, Baja California Norte, Mexico view
Giniite R060765 Fe2+Fe3+4(PO4)4(OH)2·2H2O Michael Scott S101093 Sandamab, Namibia view
Gladiusite R070432 Fe3+2Fe2+4(PO4)(OH)11·H2O Michael Scott S104714 Kovdor mine, Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia view
Glaucodot R070644 (Co0.5Fe0.5)AsS Michael Scott S104702 Hakansboda, Lindesberg, Västmanland, Sweden view
Glaucodot R070294 (Co0.5Fe0.5)AsS Michael Scott S104712 Hakansboda, Lindesberg, Västmanland, Sweden view
Glauconite R070295 (K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2 Michael Scott S104721 Hope Green Point, Coringa island, Queensland, Australia view
Goethite R050142 FeO(OH) Dave Bunk Minerals  Park County, Colorado, USA view
Goethite X050091 FeO(OH) Caltech  Michigan, USA view
Goethite X050093 FeO(OH) Caltech  Negaunee, Michigan, USA view
Goethite R120086 FeO(OH) Michael Scott S102426 Alexander mine, Vrancice, Příbram, Central Bohemia Region, Bohemia, Czech Republic view
Goldichite R120120 KFe3+(SO4)2·4H2O Marcus Origlieri  Dexter #7 mine, San Rafael Swell, Emery County, Utah, USA view
Golyshevite R061047 Na10Ca9Zr3Fe2SiNb(Si3O9)2(Si9O27)2(OH)3(CO3)·H2O Michael Scott S100972 Mica mine, Kovdor, Kola, Russia view
Gormanite R050093 Fe2+3Al4(PO4)4(OH)6·2H2O Rock Currier  Rapid Creek, Yukon Territory, Canada view
Gormanite R080075 Fe2+3Al4(PO4)4(OH)6·2H2O Michael Scott S100786 Linopolis, Minas Gerais, Brazil view
Graeserite R110054 Fe3+4Ti3As3+O13(OH) Bob Jenkins  Binntal, Wallis, Switzerland view
Graftonite R070153 Fe2+Fe2+2(PO4)2 James Shigley  Bull Moose mine, Custer, Custer County, South Dakota, USA view
Greifensteinite R060588 Ca2Be4Fe2+5(PO4)6(OH)4·6H2O Michael Scott S100786 João Teodoro mine, Linópolis district, Divino das Laranjeiras, Minas Gerais, Brazil view
Greifensteinite R070613 Ca2Be4Fe2+5(PO4)6(OH)4·6H2O Dakota Matrix Minerals  Tip Top mine, Custer County, South Dakota, USA view
Greifensteinite R100221 Ca2Be4Fe2+5(PO4)6(OH)4·6H2O Luiz Menezes  Xanda mine, Virgem da Lapa, Minas Gerais, Brazil view
Greigite R120103 Fe2+Fe3+2S4 Bob Jenkins  Alacrán mine, Pampa Larga district, Tiara Maria, Copiapó, Chile view
Griphite R050618 Ca(Mn2+,Na,Li)6Fe2+Al2(PO4)6(F,OH)2 University of Arizona Mineral Museum 7907 Pennington County, South Dakota, USA view
Grischunite R130677 NaCa2Mn2+5Fe3+(AsO4)6·2H2O Rock Currier  Falotta, Tinizong, Oberhalbstein, Grischun, Switzerland view
Grunerite R040150 ◻Fe2+2Fe2+5Si8O22(OH)2 University of Arizona Mineral Museum 13760 Smallwood mine, Heath Lake, Newfoundland, Canada view
Grunerite X050095 ◻Fe2+2Fe2+5Si8O22(OH)2 G.R. Rossman 1635 Mount Write, Mistassini, Quebec, Canada view
Grunerite R060062 ◻Fe2+2Fe2+5Si8O22(OH)2 University of Arizona Mineral Museum 16157 2C mine, Broken Hill, New South Wales, Australia view
Grunerite R070204 ◻Fe2+2Fe2+5Si8O22(OH)2 California Institute of Technology CIT-9702 Penge mine, Transvaal, South Africa view
Grunerite R070186 ◻Fe2+2Fe2+5Si8O22(OH)2 California Institute of Technology CIT-6816 Homestake mine, 3800' level, Lead, Lawrence County, South Dakota, USA view
Grunerite R070267 ◻Fe2+2Fe2+5Si8O22(OH)2 Michael Scott S101449 Långfall mine (Saxberg mine), Saxberget ore field, Ludvika, Dalarna, Sweden view
Gudmundite R060741 FeSbS Michael Scott S101199 Pezinok, Czechoslovakia view
Günterblassite R141209 (K,Ca,Ba,Na,◻)3Fe[(Si,Al)13O25(OH,O)4]·7H2O Ch. and H. Schäfer  Rother Kopf, Gerolstein, Eifel, Germany view
Hagendorfite R130128 Na2MnFe2+Fe3+(PO4)3 Rock Currier  Hagendorf, Waidhaus, Vohenstrauß, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany view
Hagendorfite R160083 Na2MnFe2+Fe3+(PO4)3 Rock Currier  Palermo No. 1 mine, Groton, Grafton County, New Hampshire, USA view
Halotrichite R060118 Fe2+Al2(SO4)4·22H2O University of Arizona Mineral Museum 4992 Alum Canyon, Patagonia Mountains, Arizona, USA view
Halotrichite R070673 Fe2+Al2(SO4)4·22H2O Malcolm Alter  Orphan mine, Grand Canyon, Coconino County, Arizona, USA view
Hastingsite R070124 NaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2 Mark Mauthner 1017 Clea Claims, Pelly River area, Yukon Territory, Canada view
Hastingsite R070194 NaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2 California Institute of Technology CIT-2030 Seglenge, Sweden view
Hastingsite R070250 NaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2 Michael Scott S100448 unnamed quarry, Dmitrievka village, Mariupol' Massif (Oktyabr'skii), Azov Sea Region, Donetsk Oblast', Ukraine view
Haxonite R070034 (Fe,Ni)23C6 Michael Scott S105101 Egvekinot meteorite, Chukot Province, Russia view
Hedenbergite R050030 CaFe2+Si2O6 University of Arizona Mineral Museum 4120 Heroult, Ontario, Canada view
Hedenbergite R060040 CaFe2+Si2O6 University of Arizona Mineral Museum 13444 Rio Marina, Elba, Italy view
Hedenbergite R070136 CaFe2+Si2O6 Mark Mauthner 2426 Vesper Peak, Snohomish County, Washington, USA view
Hedenbergite R070236 CaFe2+Si2O6 Michael Scott S104166 Dal'Negorsk, Primorskiy Kray; far eastern, Russia view
Hematite R040024 Fe2O3 University of Arizona Mineral Museum 12904 near Covered Wells, Papago Indian Reservation, Arizona, USA view
Hematite X050102 Fe2O3 CIT - 2058 Michigan, USA view
Hematite R050300 Fe2O3 Eugene Schlepp  Argentina view
Hematite R060190 Fe2O3 Lloyd Twaites  Florence mine, Egremont, Cumbria, England view
Hematite R070240 Fe2O3 Michael Scott S103456 Moshgai, Gobi Desert, Mongolia view
Hematite R110013 Fe2O3 University of Arizona Mineral Museum UAMM6901 Itabira, Minas Gerais, Brazil view
Hematophanite R070638 Pb4Fe3+3O8(Cl,OH) William W. Pinch  Kombat mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia view
Hentschelite R061015 CuFe3+2(PO4)2(OH)2 Michael Scott S102792 Spring Creek Copper mine, South Australia, Australia view
Hercynite R170038 Fe2+Al2O4 Rock Currier  LePrese, Veltlin, Switzerland view
Hercynite R170039 Fe2+Al2O4 Rock Currier  Baldissero, Torino, Piemonte view
Hercynite R170040 Fe2+Al2O4 Rock Currier  Lherz, Pyrenees, France view
Heterosite R050165 Fe3+(PO4) Marcus Origlieri  White Elephant mine, Custer County, South Dakota, USA view
Heterosite R070148 Fe3+(PO4) James Shigley  Pleasant Valley mine, near Fourmile, Black Hills, Custer County, South Dakota, USA view
Hisingerite R070126 Fe2Si2O5(OH)4·2H2O Lloyd Twaites LT 1487 Nickel Plate mine, Hedley, British Columbia, Canada view
Hisingerite R070695 Fe2Si2O5(OH)4·2H2O James Shigley  Zinc Consolidated mine, Broken Hill, New South Wales, Australia view
Hocartite R130018 Ag2FeSnS4 William W. Pinch  Pirquitas mine, Jujuy Province, Argentina view
Howardevansite R130739 NaCu2+Fe3+2(VO4)3 Rock Currier  'Y' Fumerol, Izalco Volcano, Sonsonate Department, El Salvador view
Howieite R060031 Na(Fe2+,Fe3+,Al,Mg)12(Si6O17)2(O,OH)10 University of Arizona Mineral Museum 5923 Laytonville quarry, near Longvale, California, USA view
Howieite R061009 Na(Fe2+,Fe3+,Al,Mg)12(Si6O17)2(O,OH)10 Michael Scott S101047 Quarry on north side of U.S. 101, 5 miles south of Laytonville, Mendocino County, California, USA view
Hubeite R060964 Ca2Mn2+Fe3+Si4O12(OH)·2H2O Michael Scott S101379 Fengjiashan mine, Daye, Hubei Province, China view
Hulsite R070453 Fe2+2Fe3+O2(BO3) Michael Scott S102349 Titovskoye B deposit, Tas-Khayakhtakh Range, Polar Yakutia, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia view
Hulsite R070537 Fe2+2Fe3+O2(BO3) James Shigley  Brooks Mountain, Seward Peninsula, Nome Borough, Alaska, USA view
Hulsite R130016 Fe2+2Fe3+O2(BO3) Robert Lavinsky  Brooks Mountain, Seward Peninsula, Nome Borough, Alaska, USA view
Humboldtine R130689 Fe2+(C2O4)·2H2O Bob Jenkins  Minas Gerais, Brazil view
Humboldtine R170002 Fe2+(C2O4)·2H2O Donald Doell  Zomba, Malawi view
Hydroniumjarosite R060402 (H3O)Fe3+3(SO4)2(OH)6 American Museum of Natural History 21997 Cyprus, Greece view
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. view
Ilmenite R060149 Fe2+Ti4+O3 Marcus Origlieri  Faraday Property, Bancroft District, Ontario, Canada view
Ilmenite R130214 Fe2+Ti4+O3 Don Doell  Mont St-Hilaire, Quebec, Canada view
Ilvaite R050040 CaFe3+Fe2+2O(Si2O7)(OH) University of Arizona Mineral Museum 2949 Capo Calamita, Isle of Elba, Italy view
Ilvaite R060474 CaFe3+Fe2+2O(Si2O7)(OH) Michael Scott S100345 Dal 'Negorsk, Primorskiy, Kray, Russia view
Imandrite R070027 Na12Ca3Fe3+2Si12O36 Michael Scott S105066 Vuonnemijok River, Khibiny Massif, Kola Peninsula, Russia view
Iowaite R060272 Mg6Fe3+2(OH)16Cl2·4H2O Michael Scott S100180 Palabora open pit, Phalaborwa, Transvaal, Republic of South Africa view
Iowaite R120110 Mg6Fe3+2(OH)16Cl2·4H2O Marcus Origlieri  Kaznakhtinskiy Range, Altai Mountains, Russia view
Iron R070255 Fe Michael Scott S101919 Camp Creek district, Silver Bow County, Montana, USA view
Ishikawaite R070496 (U,Fe,Y)NbO4 Michael Scott S101918 Standpipe Hill mines, Topsham, Sagadahoc County, Maine, USA view
Isocubanite R090050 CuFe2S3 Lloyd Twaites LT1378  Henderson #2 mine, Chibougamau, Quebec, Canada view
Isoferroplatinum R080067 Pt3Fe Michael Scott S102376 Chocó Department, Colombia view
Izoklakeite R110044 Pb26.4(Cu,Fe)2(Sb,Bi)19.6S57 Mark Feinglos  Crabtree quarry, Wake County, North Carolina, USA view
Jacobsite R060780 Mn2+Fe3+2O4 Michael Scott S101292 Jakobsberg, Sweden view
Jacobsite R070719 Mn2+Fe3+2O4 William W. Pinch  Kombat mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia view
Jacobsite R120170 Mn2+Fe3+2O4 Marshall Sussman  N'Chwaning Mine III, Kalahari manganese field, Northern Cape Province, South Africa view
Jagoite R090028 Pb18Fe3+4[Si4(Si,Fe3+)6][Pb4Si16(Si,Fe)4]O82Cl6 William W. Pinch  Langban, Filipstad, Varmland, Sweden view
Jahnsite-(CaMnFe) R060310 CaMn2+Fe2+2Fe3+2(PO4)4(OH)2·8H2O Michael Scott S100177 Hagendorf Sud, Hessen, Bavaria, Germany view
Jahnsite-(CaMnFe) R070733 CaMn2+Fe2+2Fe3+2(PO4)4(OH)2·8H2O Michael Scott S104150 Voron'i Tundry, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia view
Jahnsite-(CaMnMg) R060213 CaMn2+Mg2Fe3+2(PO4)4(OH)2·8H2O Marcus Origlieri  Tip Top mine, Custer County, South Dakota, USA view
Jahnsite-(CaMnMn) R080072 CaMn2+Mn2+2Fe3+2(PO4)4(OH)2·8H2O Tom Loomis TL-42 Tip Top mine, Custer Country, South Dakota, USA view
Jamesite R060274 Pb2ZnFe3+2(Fe3+,Zn)4(AsO4)4(OH)8(OH,O)2 Michael Scott S100195 Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia view
Jamesonite R050430 Pb4FeSb6S14 University of Arizona Mineral Museum 13241 Zacatecas, Mexico view
Jamesonite R050431 Pb4FeSb6S14 University of Arizona Mineral Museum 3552 Trinacria mine, Lake Poopo, Oruro, Bolivia view
Jamesonite R050432 Pb4FeSb6S14 University of Arizona Mineral Museum 15930 San Jose mine, Oruro District, Bolivia view
Jamesonite R050481 Pb4FeSb6S14 California Institute of Technology  Itos mine, Oruro City, Bolivia view
Jarosite X050105 KFe3+3(SO4)2(OH)6 Caltech  Barium Queen mine, Barstow, California, USA view
Jarosite X050106 KFe3+3(SO4)2(OH)6 Caltech  near Calico Hills, Barstow, California, USA view
Jarosite R060113 KFe3+3(SO4)2(OH)6 University of Arizona Mineral Museum 9868 Iron Blossom mine, East Tintic District, Eureka, Utah, USA view
Jarosite R060236 KFe3+3(SO4)2(OH)6 Michael Scott S100148 Gold Hill, Tooele County, Utah, USA view
Jarosite R070493 KFe3+3(SO4)2(OH)6 Bob Jenkins  Maria Josefa mine, Rhodalquilar, Almeria Province, Spain view
Jeanbandyite R070724 Fe3+Sn(OH)5O Michael Scott S104148 Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), Llallagua, Bustillos Province, Potosí Department, Bolivia view
Jinshajiangite R060580 BaNaFe2+4Ti2(Si2O7)2O2(OH)2F Michael Scott S100809 Norra Karr, Sweden view
Jinshajiangite R061018 BaNaFe2+4Ti2(Si2O7)2O2(OH)2F Pingqiu Fu  Jinshajiang River, western Sichuan Province, China view
Jinshajiangite R130031 BaNaFe2+4Ti2(Si2O7)2O2(OH)2F Don Doell DD 13-05 Dmitrievka village, Mariupol' Massif, Azov Sea Region, Donets'k Oblast', Ukraine view
Joaquinite-(Ce) X050026 NaBa2Fe2+Ti2Ce2(Si4O12)2O2(OH)·H2O G.R. Rossman 1538 San Benito, California, USA view
Joaquinite-(Ce) R120101 NaBa2Fe2+Ti2Ce2(Si4O12)2O2(OH)·H2O Bob Jenkins  Gem mine, San Benito County, California, USA view
Joesmithite R120157 Pb2+Ca2(Mg3Fe3+2)(Si6Be2)O22(OH)2 Rock Currier  Ramsorten drift, Langban, Sweden view
Julgoldite-(Fe2+) R070725 Ca2Fe2+Fe3+2(Si2O7)(SiO4)(OH)2·H2O Michael Scott S104176 Khandivali Quarry (Kandivali Quarry), Mumbai District (Bombay District), Maharashtra, India view
Julgoldite-(Fe3+) R070261 Ca2Fe3+Fe3+2(Si2O7)(SiO4)O(OH)·H2O Michael Scott S104182 Harstigen Mine, Pajsberg, Filipstad, Varmland, Sweden view
Kamarizaite R090020 Fe3+3(AsO4)2(OH)3·3H2O William W. Pinch  Kamareza Mines, Laurion, Greece view
Kaňkite R060783 Fe3+(AsO4)·3.5H2O Michael Scott S101158 Kank by Kutna Hora, Bohemia, Czech Republic view
Karibibite R060307 Fe3+3(As3+O2)4(As3+2O5)(OH) Michael Scott S100061 Urucum, Municipio de Galilea, Minas Gerais, Brazil view
Karibibite R060380 Fe3+3(As3+O2)4(As3+2O5)(OH) Michael Scott S100188 Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia view
Keilite R070104 FeS Michael Scott S105070 Abee meteorite, Alberta, Canada view
Kenoargentotetrahedrite-(Fe) R061081 Ag6(Cu4Fe2)Sb4S12◻ Lloyd Twaites LT 863 Sadie mine, Elsa, Yukon, Canada view
Keystoneite R070660 Mg0.5NiFe3+(Te4+O3)3·4H2O Michael Scott S105215 McAlpine mine, Moccasin, Tuolumne County, California, USA view
Keystoneite R070661 Mg0.5NiFe3+(Te4+O3)3·4H2O Michael Scott S106029 McAlpine mine, Moccasin, Tuolumne County, California, USA view
Kidwellite R060324 NaFe3+9+x(PO4)6(OH)11·3H2O (x ≈ 0.33) Michael Scott S100182 York mine, Polk County, Arkansas, USA view
Kidwellite R070106 NaFe3+9+x(PO4)6(OH)11·3H2O (x ≈ 0.33) Bob Jenkins  Teskov, Czech Republic view
Kingsmountite R220015 Ca3MnFe2+Al4(PO4)6(OH)4·12H2O Herwig Pelckmans  Silbergrube, Waidhaus, Bavaria, Germany view
Kirschsteinite R070266 CaFe2+(SiO4) Michael Scott S105226 Dolores mine, Pastrana, Mazarrón, Murcia, Spain view
Klyuchevskite R070659 K3Cu3Fe3+O2(SO4)4 Michael Scott S105208 Yadevitaya fumarole, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia view
Kobellite R070669 Pb11(Cu,Fe)2(Bi,Sb)15S35 Michael Scott S105219 Jedlovec (Fichtenhubel) deposit, Smolník ore belt, Slovenske Rudohorie Mts, Koický Kraj, Slovak Republic view
Kobellite R110092 Pb11(Cu,Fe)2(Bi,Sb)15S35 Mark Feinglos  Crabtree quarry, Wake County, North Carolina, USA view
Kornerupine R050214 (Mg,Fe2+,Al,◻)10(Si,Al,B)5O21(OH,F)2 Jibamitra Ganguly  Sri Lanka view
Kornerupine R100155 (Mg,Fe2+,Al,◻)10(Si,Al,B)5O21(OH,F)2 William W. Pinch  Sri Lanka view
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 view
Krausite R110211 KFe3+(SO4)2·H2O Gunnar Farber  Mina Alcaparrosa, Cerritos Bayos, Calama, Atacama, II Region, Chile view
Kryzhanovskite R130050 (Fe3+,Mn2+)3(PO4)2(OH,H2O)3 Don Doell  Bull Moose mine, Custer County, South Dakota, USA view
Kryzhanovskite R130691 (Fe3+,Mn2+)3(PO4)2(OH,H2O)3 Rob Lavinsky  Rapid Creek, Dawson Mining District, Yukon Territory, Canada view
Kryzhanovskite R140111 (Fe3+,Mn2+)3(PO4)2(OH,H2O)3 Rock Currier  Hagendorf, Waidhaus, Vohenstrauß, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany view
Kulanite R060240 BaFe2+2Al2(PO4)3(OH)3 Rock Currier  Big Fish River, Yukon Territory, Canada view
Kunatite R120055 CuFe3+2(PO4)2(OH)2·4H2O William W Pinch  Krasno, Horni Slakov, Bohemia, Czech Republic view
Laachite R141091 (Ca,Mn)2Zr2Nb2TiFeO14 Ch. and H. Schäfer  In den Dellen, Laach lake volcano, Mendig, Eifel, Germany view
Laihunite R110051 (Fe3+,Fe2+,◻)2(SiO4) Pingqu Fu  Laihe Fe deposit, Qianshan District, Anshan Prefecture, Liaoning Province, China view
Laueite R060013 Mn2+Fe3+2(PO4)2(OH)2·8H2O University of Arizona Mineral Museum 16075 Hagendorf, Germany view
Lausenite X070004 Fe3+2(SO4)3·5H2O University of Arizona Mineral Museum 53 United Verde Mine, Gerome, Arizona, USA view
Låvenite R120044 (Na,Ca)4(Mn2+,Fe2+)2(Zr,Ti,Nb)2(Si2O7)2(O,F)4 Donald Doell  Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada view
Lefontite R140074 Fe2Al2Be(PO4)2(OH)6 Bob Jenkins  Galiléia, Minas Gerais, Brazil view
Lefontite R140428 Fe2Al2Be(PO4)2(OH)6 Michael Scott  João Teodoro mine, Linópolis district, Divino das Laranjeiras, Minas Gerais, Brazil view
Lefontite R140539 Fe2Al2Be(PO4)2(OH)6 Benjamin N. Schumer  Palermo No. 1 mine, Groton, New Hampshire, USA view
Lepidocrocite R050454 Fe3+O(OH) University of Arizona Mineral Museum 16088 Malvern, Chester County, Pennsylvania, USA view
Leucophosphite R060338 KFe3+2(PO4)2(OH)·2H2O Michael Scott S100184 Gunheath pit, St. Austell, Cornwall, England view
Leucophosphite R080126 KFe3+2(PO4)2(OH)·2H2O Thomas A. Loomis TL-41 Tip Top mine, Custer County, South Dakota, USA view
Lileyite R140773 Ba2Ti2Na2Fe2+Mg(Si2O7)2O2F2 Ch. and H. Schäfer  Graulay, Hillesheim, Eifel, Rhineland-Palatinate, Germany view
Lipscombite R220008 Fe2+Fe3+2(PO4)2(OH)2 Ron Gibbs  Silver Coin Mine, Valmy, Iron Point Mining District, Humboldt County, Nevada, USA view
Liskeardite R060768 (Al,Fe)32(AsO4)18(OH)42(H2O)22·52H2O Michael Scott S100935 Penberthy Croft mine, St. Hilary, Cornwall, England view
Lobanovite R120068 K2Na(Fe2+4Mg2Na)Ti2(Si4O12)2O2(OH)4 Donald Doell  Apatitovaya Mt., Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia view
Löllingite R060185 FeAs2 Lloyd Twaites  MW Claim, Seagull Batholith, Cassiar Mountains, Yukon, Canada view
Löllingite R060668 FeAs2 Michael Scott S101325 Aghbar near Bou-Azzer, Morocco view
Löllingite R070592 FeAs2 James Shigley  Ebisu mine, Hirukawa, Gifu Prefecture, Honshu, Japan view
Ludlamite R040152 Fe2+3(PO4)2·4H2O University of Arizona Mineral Museum 15641 Cobalt, Lemhi County, Idaho, USA view
Ludlamite R060485 Fe2+3(PO4)2·4H2O Michael Scott S100357 Blackbird District, Lehmi County, Idaho, USA view
Ludlamite R090071 Fe2+3(PO4)2·4H2O Royal Ontario Museum  M54960 Cigana Mine (ex-Jocão Mine), Galiléia, Minas Gerais Brazil view
Ludlockite R100176 PbFe3+4As3+10O22 William W. Pinch  Tsumeb, Namibia view
Ludwigite R060010 Mg2Fe3+O2(BO3) University of Arizona Mineral Museum 9094 Victoria Quarry, Riverside, California, USA view
Ludwigite R060844 Mg2Fe3+O2(BO3) Bob Jenkins  Crestmore, California, USA view
Lulzacite R110147 Sr2Fe2+3Al4(PO4)4(OH)10 Olivier Pourret  Saint-Aubin-des-Châteaux, Loire-Atlantique, France view
Mackayite R060592 Fe3+Te4+2O5(OH) Michael Scott S100792 Lone Pine mine, Lone Pine Hill area, Wilcox District, Catron County, New Mexico, USA view
Mackinawite R060388 (Fe,Ni)1+xS (x = 0-0.07) Michael Scott S100089 Hitura, Finland view
Mackinawite R070302 (Fe,Ni)1+xS (x = 0-0.07) James Shigley  Wannaway Prospect, near Kalgoorlie, Western Australia, Australia view
Maghemite R140712 (Fe3+0.67◻0.33)Fe3+2O4 Rock Currier  Katzenbuckel, Eberbach, Odenwald, Baden-Württemberg, Germany view
Magnesio-fluoro-arfvedsonite R050515 NaNa2(Mg4Fe3+)Si8O22F2 Frank Hawthorne  unknown view
Magnesio-fluoro-hastingsite R141082 NaCa2(Mg4Fe3+)(Si6Al2)O22F2 Ch. and H. Schäfer  Caspar quarry, Bellerberg volcano, Mayen, Eifel, Germany view
Magnesio-fluoro-hastingsite R141098 NaCa2(Mg4Fe3+)(Si6Al2)O22F2 Ch. and H. Schäfer  Uroi Hill (Arany Hill), Simeria, Hunedoara Co., Romania view
Magnesio-fluoro-hastingsite R141099 NaCa2(Mg4Fe3+)(Si6Al2)O22F2 Ch. and H. Schäfer  Mt. Vesuvius, Naples, Campania, Italy view
Magnesio-hastingsite R040010 NaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2 University of Arizona Mineral Museum 4231 Amity, New York, USA view
Magnesio-hastingsite R070145 NaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2 William W. Pinch  Niaslo, Basha Valley, Baltistan, Northern Areas, Pakistan view
Magnesio-hastingsite R070288 NaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2 Michael Scott S104903 Dallas Gem Mine (Gem Mine; Benitoite Mine), New Idria District, San Benito County, California, USA view
Magnesio-riebeckite R060037 ◻Na2(Mg3Fe3+2)Si8O22(OH)2 University of Arizona Mineral Museum 4236 Pollone, Piedmont, Italy view
Magnesio-riebeckite R070002 ◻Na2(Mg3Fe3+2)Si8O22(OH)2 Michael Scott S100846 Alto Chapare, Cochabamba Department, Bolivia view
Magnesioalterite R180015 Mg2Fe3+4(SO4)4(C2O4)2(OH)4·17H2O Malcom Alter  Near Marble Canyon, Coconino County, Arizona, USA view
Magnesiocopiapite R060155 MgFe3+4(SO4)6(OH)2·20H2O University of Arizona Mineral Museum 12789 Denver mine, Santa Cruz County, Arizona, USA view
Magnesioferrite R060869 MgFe3+2O4 Michael Scott S101024 Langban, Filipstad, Varmland, Sweden view
Magnesioferrite R070127 MgFe3+2O4 Michael Scott S100406 Langban, Filipstad, Varmland, Sweden view
Magnesiohulsite R070223 Mg2Fe3+O2(BO3) Michael Scott S100449 Iten'yurginskoye Deposit, Chukotka (Tchukotka) Okrug, Chukot Peninsula, Far-Eastern Region, Russia view
Magnetite R060191 Fe2+Fe3+2O4 Lloyd Twaites  Merry Widow mine, Vancouver Island, British Columbia, Canada view
Magnetite R060222 Fe2+Fe3+2O4 Rock Currier  Cerro Huañaquino, Potosi Department, Bolivia view
Magnetite R060656 Fe2+Fe3+2O4 Michael Scott S101168 Jacupiranga Pegmatite, Sao Paulo State, Brazil view
Magnetite R061111 Fe2+Fe3+2O4 Michael Scott S104099 near Scotia Talc mine, Barberton Mountain, Transvaal, South Africa view
Magnetite R080025 Fe2+Fe3+2O4 William W. Pinch  2500' level, Zinc Corporation of America mine #4, Balmat, New York, USA view
Magnetite R140861 Fe2+Fe3+2O4 Rock Currier  Bon Accord, Barberton District, Mpumalanga Province, South Africa view
Magnetoplumbite R060074 PbFe3+12O19 University of Arizona Mineral Museum 16289 Langban, Filipstad, Varmland, Sweden view
Malhmoodite R060462 Fe2+Zr(PO4)2·4H2O Michael Scott S100114 Union Carbide Vanadium mine, Wilson Springs, Garland County, Arkansas, USA view
Malhmoodite R200009 Fe2+Zr(PO4)2·4H2O Tom Loomis  Scott's R.Q. mine, Custer Co., South Dakota, U.S.A. view
Mandarinoite R140742 Fe3+2(Se4+O3)3·6H2O Rock Currier  Skouriotissa mine, Skouriotissa, Nicosia District, Cyprus view
Mandarinoite R220014 Fe3+2(Se4+O3)3·6H2O Jim McGlasson  Wind Mountain mine, Washoe County, Nevada, U.S.A. view
Manganbabingtonite R140743 Ca2Mn2+Fe3+Si5O14(OH) Rock Currier  Iron Cap mine, Aravaipa District, Graham County, Arizona, USA view
Manganilvaite R070334 CaFe2+Fe3+Mn2+(Si2O7)O(OH) Michael Scott S100979 First Sovetskiy mine, Dalnegorsk, Far East of Russia view
Mangano-ferri-eckermannite R070122 NaNa2(Mn2+4Fe3+)Si8O22(OH)2 Michael Scott S100408 Tanohata mine, Iwate Prefecture, Tohoku Region, Honshu Island, Japan view
Manganogrunerite R060378 ◻Mn2Fe2+5Si8O22(OH)2 Michael Scott S100223 Brunsjogruvan (Brunsjo mine), near Hallefors, Orebro, Sweden view
Mapimite R080002 Zn2Fe3+3(AsO4)3(OH)4·10H2O William W. Pinch, from M Romero 5749 Level 5 between Palomes Oriente and San Carlos, Ojuela mine, Mapimi, Durango, Mexico view
Marcasite R060882 FeS2 Bob Jenkins  Ive's Quarry, Racine, Wisconsin, USA view
Marićite R070273 NaFe2+(PO4) Mark Mauthner 1182 Locality 16, Big Fish River, Richardson Mountains, Dawson Mining District, Yukon Territory, Canada view
Mawbyite R080011 PbFe3+2(AsO4)2(OH)2 William W. Pinch  Tsumeb, Namibia view
Maxwellite R060955 NaFe3+(AsO4)F Bob Jenkins  Squaw Creek Tin mine, Catron County, New Mexico, USA view
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 view
Melanostibite R200016 Mn2Fe3+Sb5+O6 Markus and Stefan Wiklund #00008 Langban mine, Filipstad, Varmland, Sweden view
Melanotekite R090032 Pb2Fe3+2O2(Si2O7) William W. Pinch  Kombat, Namibia view
Mendozavilite-NaCu R120038 [Na2(H2O)15Cu(H2O)6][Mo8P2Fe3+3O34(OH)3] Bob Jenkins  Lomas Bayas mine, Baquedano, Antofagasta Province, Antofagasta Region, Chile view
Messelite R210009 Ca2Fe2+(PO4)2·2H2O Tom Loomis  Palermo mine, Grafton Co., New Hampshire view
Metaköttigite R130695 (Zn,Fe3+)3(AsO4)2·8(H2O,OH) Rock Currier  Ojuela mine, Mapimí, Municipio de Mapimí, Durango, Mexico view
Metavivianite R130545 Fe2+Fe3+2(PO4)2(OH)2·6H2O Rock Currier  Rapid Creek, Yukon Territory, Canada view
Metavoltine R060835 K2Na6Fe2+Fe3+6O2(SO4)12·18H2O Bob Jenkins  Cetine mine, Siena Province, Tuscany, Italy view
Metavoltine R070542 K2Na6Fe2+Fe3+6O2(SO4)12·18H2O James Shigley  Vulcano Island. Lipari Islands, Messina Province, Sicily, Italy view
Meurigite-K R070105 KFe3+8(PO4)6(OH)7·6.5H2O Bob Jenkins  Teskov, Czech Republic view
Meurigite-K R110135 KFe3+8(PO4)6(OH)7·6.5H2O Luiz Menezes  Sapucaia mine, Galileia, Minas Gerais, Brazil view
Meurigite-Na R130084 [Na(H2O)2.5][Fe3+8(PO4)6(OH)7(H2O)4] Anthony R. Kampf   Silver Coin mine, Valmy, Iron Point district, Humboldt County, Nevada, USA view
Mitridatite R060367 Ca2Fe3+3O2(PO4)3·3H2O Michael Scott S100211 Palermo #1 mine, North Groton, Grafton County, New Hampshire, USA view
Montroseite R060576 (V3+,Fe2+,V4+)O(OH) Michael Scott S100805 Number Mesa 5 mine, Temple Mountain, Emery County, Utah, USA view
Nalivkinite R070219 Li2NaFe2+7Ti2(Si4O12)2O2(OH)4F(H2O)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 view
Narsarsukite R060203 Na2(Ti,Fe3+)Si4(O,F)11 Royal Ontario Museum M41218 Poudrette Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada view
Narsarsukite R060217 Na2(Ti,Fe3+)Si4(O,F)11 Royal Ontario Museum M31995 Mont Saint-Hilaire, Rouville County, Quebec, Canada view
Natanite R100016 Fe2+Sn4+(OH)6 William Pinch  Level 10 silicate body, El Potosi mine, Santa Eulalia, Chihuahua, Mexico view
Natrodufrénite R070599 NaFe2+Fe3+5(PO4)4(OH)6·2H2O James Shigley  Hout Bay, Cape of Good Hope Province, South Africa view
Natrojarosite R050471 NaFe3+3(SO4)2(OH)6 Marcus Origlieri  Bristol mine, Pioche, Lincoln County, Nevada, USA view
Natrojarosite R050289 NaFe3+3(SO4)2(OH)6 Marcus Origlieri  Bristol mine, Pioche, Lincoln County, Nevada, USA view
Natrojarosite R080062 NaFe3+3(SO4)2(OH)6 Luiz Menezes  Lavra do Tomé, Galiléja, Minas Gerais, Brazil view
Naujakasite R060975 Na6Fe2+Al4Si8O26 Michael Scott S101487 Lille Elv Plateau, Kangerdluarssuk, Ilimaussaq intrusion, Greenland view
Nealite R060774 Pb4Fe(AsO3)2Cl4·2H2O Michael Scott S101105 Oxygon, Laurion, Greece view
Neptunite R060628 KNa2LiFe2+2Ti2Si8O24 Gemological Institute of America 02 California, USA view
Neptunite R060746 KNa2LiFe2+2Ti2Si8O24 California Institute of Technology 12952 San Benito Mountains, San Benito County, California, USA view
Nickelskutterudite R061007 (Ni,Co,Fe)As3 Michael Scott S101444 Hasserode, Harz, Germany view
Nickelskutterudite R100194 (Ni,Co,Fe)As3 University of Arizona Mineral Museum 1197 Schneeberg, Saxony, Germany view
Nickelskutterudite R100196 (Ni,Co,Fe)As3 Ron Gibbs  Alhambra mine, Burro Mountains, Grant County, New Mexico, USA view
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 view
Niobophyllite R110048 K2NaFe2+7(Nb,Ti)2(Si4O12)2O2(OH)4(O,F) Donald M Doell  Mount Malosa, Zomba District, Malawi view
Nontronite X050120 Na0.3Fe3+2(Si,Al)4O10(OH)2·nH2O CIT H-33a  Garfield, near Spokane, Washington view
Nontronite X050121 Na0.3Fe3+2(Si,Al)4O10(OH)2·nH2O CIT H-33b  Mineto, near Spokane, Washington, USA view
Nontronite R070286 Na0.3Fe3+2(Si,Al)4O10(OH)2·nH2O Michael Scott S103144 Andreasberg, Sachsen, Germany view
Normandite R120066 Na2Ca2(Mn,Fe)2(Ti,Nb,Zr)2(Si2O7)2O2F2 Donald Doell  Partomchorr Mt., Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia view
Obradovicite-KCu R100015 [K2(H2O)17Cu(H2O)6][Mo8As2Fe3+3O34(OH)3] Colorado School of Mines 86.496 Chuquicamata, Chile view
Obradovicite-KCu R110015 [K2(H2O)17Cu(H2O)6][Mo8As2Fe3+3O34(OH)3] William W Pinch  Chuquicamata, Chile view
Omphacite R061129 (Ca,Na)(Mg,Fe,Al)Si2O6 Michael Scott S104252 near Occidental, Sonoma County, California, USA view
Omphacite R110038 (Ca,Na)(Mg,Fe,Al)Si2O6 William W Pinch  Kefalos Hill, Skotini Bay, Galissas, Syros Island, Aegean Sea, Greece view
Oneillite R110184 Na15Ca3Mn3Fe3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2 Donald Doell  Poudrette quarry, Mont Saint-Hilaire, Quebec, Canada view
Orickite R070739 CuFeS2·nH2O Michael Scott S104242 Abundancia vein, Emma Louise Gold mine, El Guanaco, Taltal Province, Antofagasta, Chile view
Osumilite R060385 KFe2(Al5Si10)O30 Michael Scott S100097 Funtanafigu Quarry, Monte Arci, near Oristano, Sardinia view
Oxy-schorl R140339 Na(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3O Bob Jenkins  Přibyslavice, Bohemia, Czech Republic view
Oxyphlogopite R141078 K(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2 Ch. and H. Schäfer  Graulay, Hillesheim, Eifel, Rhineland-Palatinate, Germany view
Oxyphlogopite R141079 K(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2 Ch. and H. Schäfer  Nickenicher Sattel, Nickenich, Eifel, Germany view
Parabutlerite R060754 Fe3+(SO4)(OH)·2H2O Michael Scott S101228 Chuquicamata, Chile view
Parabutlerite R070547 Fe3+(SO4)(OH)·2H2O James Shigley  Chuquicamata mine, Calama, El Loa Province, Antofogasta, Chile view
Parabutlerite R110161 Fe3+(SO4)(OH)·2H2O George Rossman, California Institute of Technology GRR242, CIT8170 Saghand, near Yazd, Iran view
Paracoquimbite R050351 Fe3+4(SO4)6(H2O)12·6H2O California Institute of Technology W-19151 Cyprus view
Paracoquimbite R140266 Fe3+4(SO4)6(H2O)12·6H2O Ken Roberts  Liaoning province, China view
Parasymplesite R150137 Fe2+3(AsO4)2·8H2O Jeremie Pfister  Kiura Mine, Oita Pref., Kyushu Island, Japan view
Paravauxite R040179 Fe2+Al2(PO4)2(OH)2·8H2O University of Arizona Mineral Museum 11446 Mina Siglo XX, Llallagua, Bolivia view
Paravauxite R050314 Fe2+Al2(PO4)2(OH)2·8H2O Eugene Schlepp  Siglo XX mine, Llallagua, Bolivia view
Paravauxite R050468 Fe2+Al2(PO4)2(OH)2·8H2O University of Arizona Mineral Museum 8180 Llallagua, Bustillos Province, Potosi, Bolivia view
Paravauxite R050577 Fe2+Al2(PO4)2(OH)2·8H2O University of Arizona Mineral Museum 2414 Llallagua, Bolivia view
Paravinogradovite R060834 (Na,◻)2(Ti4+,Fe3+)4(Si2O6)2(Si3AlO10)(OH)4·H2O Michael Scott S101009 Kukisvumchorr Mountain, Khibiny Massif, Kola Peninsula, Russia view
Pellyite R150078 Ba2CaFe2+2Si6O17 Gunnar Farber  Gun Claim, Yukon Territory, Canada view
Pentlandite R060144 (Ni,Fe)9S8 University of Arizona Mineral Museum 5840 Worthington, Ontario, Canada view
Perryite R070052 (Ni,Fe)8(Si,P)3 Michael Scott S105049 Mount Egerton meteorite, Gaskoyne River, Western Australia, Australia view
Pertlikite R110209 K2(Fe2+,Mg)2(Mg,Fe3+)4Fe3+2Al(SO4)12·18H2O Gunnar Farber  Mina Alcaparrosa, Cerritos Bayos, Calama, Atacama, II Region, Chile view
Pharmacosiderite R050574 KFe3+4(AsO4)3(OH)4·6-7H2O University of Arizona Mineral Museum 5028 Cornwall, England view
Pharmacosiderite R070587 KFe3+4(AsO4)3(OH)4·6-7H2O James Shigley  Mylar mine, Majuba Hill, Antelope District, Pershing County, Nevada, USA view
Phosphoferrite R090065 Fe2+3(PO4)2·3H2O Royal Ontario Museum  M38123 Germany view
Phosphoferrite R130690 Fe2+3(PO4)2·3H2O Rob Lavinsky  Hagendorf, Waidhaus, Vohenstrauß, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany view
Phosphophyllite R050224 Zn2Fe2+(PO4)2·4H2O Marcus Origlieri  Unificada mine, Cerro Rico, Potosi, Bolivia view
Phosphosiderite R050459 Fe3+(PO4)·2H2O University of Arizona Mineral Museum 9779 Bull Moose mine, Custer, South Dakota, USA view
Phosphosiderite R070519 Fe3+(PO4)·2H2O James Shigley  Stewart mine, Pala, San Diego County, California, USA view
Phosphosiderite R110090 Fe3+(PO4)·2H2O Dave Owen  Courtland-Gleesan area, Cochise County, Arizona, USA view
Pigeonite R200002 (Mg,Fe,Ca)2Si2O6 James Shigley  Belmont Quarry, near Leesburg, Loudoun County, Virginia, USA view
Potassic-arfvedsonite R050516 KNa2(Fe2+4Fe3+)Si8O22(OH)2 Frank Hawthorne  Red Wine complex, Labrador, Newfoundland, Canada view
Potassic-magnesio-fluoro-arfvedsonite R060915 KNa2(Mg4Fe3+)Si8O22F2 Royal Ontario Museum M52453 Kipawa, Quebec, Canada view
Poughite R080026 Fe3+2(Te4+O3)2(SO4)·3H2O William W. Pinch  Mina Candelaria, Moctezuma, Sonora, Mexico view
Priderite X060012 K(Ti7Fe3+)O16 University of Arizona Mineral Museum 8625 Walgidee Hills, Western Australia, Australia view
Priderite R060437 K(Ti7Fe3+)O16 Michael Scott S100111 Walgridee Hills Intrusion, Western Australia, Australia view
Priderite R130169 K(Ti7Fe3+)O16 Rock Currier  Vounnemiok River, Kola Peninsula, Russia view
Prismatine R210004 (Mg,Al,Fe)6Al4(Si,Al)4(B,Si,Al)(O,OH,F)22 Dr Rainer Thomas  Goods Station Waldheim, Saxony, Germany view
Proto-ferro-anthophyllite R060053 ◻Fe2+2Fe2+5Si8O22(OH)2 Marcus Origlieri  Nyppio mine, near Utsonomiya, Japan view
Proto-ferro-suenoite R061000 ◻Mn2+2Fe2+5Si8O22(OH)2 Michael Scott S101306 Yokoneyama, Tochigi, Japan view
Pseudobrookite R050563 (Fe3+2Ti)O5 Dave Bunk Minerals  Thomas Range, Juab County, Utah, USA view
Pseudobrookite R120173 (Fe3+2Ti)O5 Bob Jenkins  Nuestra Señora del Carmen Mines, La Celia, Jumilla, Murcia, Spain view
Pseudobrookite R140974 (Fe3+2Ti)O5 Ch. and H. Schäfer  Emmelberg, Üdersdorf, Daun, Eifel, Rhineland-Palatinate, Germany view
Pseudolaueite R170035 Mn2+Fe3+2(PO4)2(OH)2·8H2O Van King  Crooker Quarry, Newry, Maine, USA view
Pyracmonite R220027 (NH4)3Fe(SO4)3 Rock Currier  Burnside, Northumberland Co., Pennsylvania, USA view
Pyrite R050070 FeS2 Rock Currier  Mina San Jose de Huanzala, Minero de Huallanca District, Department de Huanuco, Peru view
Pyrite R050190 FeS2 Dave Bunk Minerals  Huanzala mine, Huallanca District, Dos de Mayo Province, Huanuco Department, Peru view
Pyrite R070692 FeS2 James Shigley  Pohla, Schwarzenberg, Erzebirge, Saxony, Germany view
Pyrite R080030 FeS2 William W. Pinch  Schaft 209, Aue, Niederschlema, Erzgebirge, Saxony, Germany view
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 view
Pyroaurite R100053 Mg6Fe3+2(CO3)(OH)16·4H2O William W Pinch  Langban, Filipstad, Varmland, Sweden view
Pyroaurite R120011 Mg6Fe3+2(CO3)(OH)16·4H2O Donald Doell  Scotch Lake quarry, Scotch Lake, Cape Breton County, Nova Scotia, Canada view
Pyrosmalite-(Fe) R050158 Fe2+8Si6O15(OH)10 Jim McGlasson  Burguillos del Cerro, Badajos, Spain view
Pyrosmalite-(Fe) R060438 Fe2+8Si6O15(OH)10 Michael Scott S100099 Monchi mine, Brugillos del Cerro, Badoz Province, Spain view
Pyrosmalite-(Fe) R070313 Fe2+8Si6O15(OH)10 James Shigley  Broken Hill, New South Wales, Australia view
Pyroxferroite R140465 Fe2+SiO3 Rock Currier  Isanago mine, Ohro, Kyotango city, Kyoto Prefecture, Kinki Region, Honshu Island, Japan view
Pyroxferroite R141080 Fe2+SiO3 Ch. and H. Schäfer  Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany view
Pyrrhotite R060440 Fe7S8 Michael Scott S100128 Dal 'Negorsk, Primorskiy Kray, far eastern Russia view
Pyrrhotite R061127 Fe7S8 Michael Scott S103486 Morro Velho Gold mine, Nova Umha, Minas Gerais, Brazil view
Raguinite R130617 TlFeS2 Mark N. Feinglos  Allchar, Roszdan, Republic of Macedonia view
Ramdohrite R100190 Pb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24 William W Pinch  Potosi, Bolivia view
Ramdohrite R110001 Pb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24 Mark N. Feinglos  Chocaya, Potosi, Bolivia view
Raslakite R070071 Na15Ca3Fe3(Na,Zr)3Zr3(Si,Nb)Si25O73(OH,H2O)3(Cl,OH) Michael Scott S105054 Raslak Cirques, near Kedybverpahkh Mountain, Lovozero Massif, Kola Peninsula, Russia view
Rasvumite R060491 KFe2S3 Michael Scott S100017 Coyote Peak, Humboldt County, California, USA view
Reevesite R070678 Ni6Fe3+2(CO3)(OH)16·4H2O Michael Scott S104318 Otway Prospect, Nullagine Region, Western Australia, Australia view
Renierite R050428 (Cu1+,Zn)11Fe4(Ge4+,As5+)2S16 University of Arizona Mineral Museum 10225 Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia view
Renierite R050433 (Cu1+,Zn)11Fe4(Ge4+,As5+)2S16 University of Arizona Mineral Museum 8325 Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia view
Rhodostannite R120139 Cu1+(Fe2+0.5Sn4+1.5)S4 Michael Scott  S101278 Pirquitas, Jujuy Province, Argentina view
Rhomboclase R070507 (H5O2)Fe3+(SO4)2·2H2O James Shigley  Alcaparrosa, Antofogasta, Chile view
Rhönite R060316 Ca4[Mg8Fe3+2Ti2]O4[Si6Al6O36] Michael Scott S100202 Nickenicher Sattel, Laacher See District, Eifel, Germany view
Richetite R090053 (Fe3+,Mg)xPb2+8.6(UO2)36O36(OH)24·41H2O William W. Pinch  Shinkolobwe mine, Katanga, Congo view
Riebeckite R050082 ◻Na2(Fe2+3Fe3+2)Si8O22(OH)2 Rock Currier  Mt. Malosa, Zomba, Chilwa, Alkaline Area, Malawi view
Riebeckite R060028 ◻Na2(Fe2+3Fe3+2)Si8O22(OH)2 University of Arizona Mineral Museum 9374 Transvaal, South Africa view
Riebeckite R120033 ◻Na2(Fe2+3Fe3+2)Si8O22(OH)2 Donald Doell  Zagi Mountain, Hameed Abad Kafoor Dheri, Peshawar, Khyber Pakhtunkhwa, Pakistan view
Rinneite R060649 K3NaFe2+Cl6 Michael Scott S100823 Salton Sea, Imperial County, California, USA view
Rockbridgeite R060858 (Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5 Marcus Origlieri  Tip Top mine, Custer County, South Dakota, USA view
Rockbridgeite R070594 (Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5 James Shigley  Llallagua, Bustillos, Potosi, Bolivia view
Rodalquilarite R061063 H3Fe3+2(Te4+O3)4Cl Bob Jenkins  Wendy open pit, Tambo mine, El Indio deposit, Elqui Province, Coquimbo Region, Chile view
Rodalquilarite R130549 H3Fe3+2(Te4+O3)4Cl Bob Jenkins  Tombstone, Cochise County, Arizona view
Roméite R060323 (Ca,Fe2+,Mn2+,Na)2(Sb5+,Ti4+)2O6(O,OH,F) Michael Scott S100161 Praborna mine, Aosta Valley, St. Marcel, Italy view
Roméite R060736 (Ca,Fe2+,Mn2+,Na)2(Sb5+,Ti4+)2O6(O,OH,F) Michael Scott S101113 Le Cetine di Cotorniano, Chiusdino, Siena Province, Tuscany, Italy view
Römerite R060238 Fe2+Fe3+2(SO4)4·14H2O University of Arizona Mineral Museum 15636 Dexter no. 7 mine, Calf Mesa, San Rafael Swell, Emery County, Utah, USA view
Römerite R060820 Fe2+Fe3+2(SO4)4·14H2O Bob Jenkins  Alcaparrosa mine, Tierra Amarilla, Chile view
Rosemaryite R140519 ◻NaMn2+(Fe3+Al)(PO4)3 Rock Currier  Buranga pegmatite, Gatumba District, Western Province, Rwanda view
Ruifrancoite R070049 Ca2(◻,Mn)2(Fe3+,Mn,Mg)4Be4(PO4)6(OH)6·4H2O Michael Scott S105056 Sapucaia mine, Galileia, Minas Gerais, Brazil view
Samarskite-(Y) R070540 YFe3+Nb2O8 James Shigley  Fremont County, Colorado, USA view
Santafeite R080054 (Ca,Sr,Na)3(Mn2+,Fe3+)2Mn4+2(VO4)4(OH,O)5·2H2O James Shigley  Marble Canyon, Gunnison County, Colorado, USA view
Sarcopside R070553 Fe2+3(PO4)2 James Shigley  Bull Moose mine, Custer District, Custer County, South Dakota, USA view
Satterlyite R060810 (Fe2+,Mg,Fe3+)12(PO3OH)(PO4)5(OH,O)6 Michael Scott S101167 Big Fish River Area, Yukon Territory, Canada view
Schafarzikite R120039 Fe2+(Sb3+)2O4 Bob Jenkins  Pernek, Slovakia view
Schneiderhöhnite R050215 Fe2+Fe3+3As3+5O13 Marcus Origlieri  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia view
Schneiderhöhnite R061004 Fe2+Fe3+3As3+5O13 William W. Pinch  Urucum mine, Galileia, Minas Gerias, Brazil view
Schorl X050141 NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) G.R. Rossman 794 Cahuilla Mountain, Riverside County, California, USA view
Schorl X050142 NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) G.R. Rossman 818 Blue Lady mine, Chihuahua Valley, San Diego County, California, USA view
Schorl R050304 NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) Eugene Schlepp  Erongo Mountains, Namibia view
Schorlomite R060125 Ca3Ti2(SiFe3+2)O12 University of Arizona Mineral Museum 2151 Magnet Cove, Arkansas, USA view
Schorlomite R060349 Ca3Ti2(SiFe3+2)O12 Marcus Origlieri  Sundsvall, Medelpad, Sweden view
Schorlomite R140772 Ca3Ti2(SiFe3+2)O12 Ch. and H. Schäfer  Graulay, Hillesheim, Eifel, Rhineland-Palatinate, Germany view
Schreibersite R070239 (Fe,Ni)3P Michael Scott S103722 Sao Juliao de Moreira meteorite, Ponte de Lima, Viana do Castelo district, Portugal view
Schwertmannite R220002 Fe3+16O16(OH)9.6(SO4)3.2·10H2O Annika Parviainen  A ditch in the Tinto river basin, SW Spain view
Scorodite X060014 Fe3+(AsO4)·2H2O University of Arizona Mineral Museum 11085 Trincheras, Sonora, Mexico view
Scorodite R050465 Fe3+(AsO4)·2H2O University of Arizona Mineral Museum 2449 Minas Gerais, Brazil view
Scorzalite R140558 Fe2+Al2(PO4)2(OH)2 Dr. Jürgen Wachsmuth  Hålsjöberg, Torsby, Värmland, Sweden view
Segelerite R080127 CaMgFe3+(PO4)2(OH)·4H2O Thomas A. Loomis TL-41 Tip Top mine, Custer County, South Dakota, USA view
Segnitite R060342 PbFe3+3(AsO4)(AsO3OH)(OH)6 Michael Scott S100051 Kintore Opencut, Broken Hill, New South Wales, Australia view
Sekaninaite R061053 Fe2+2Al4Si5O18 Royal Ontario Museum M52513 Dolni Borg, Czechoslovakia view
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 view
Sewardite R060720 CaFe3+2(AsO4)2(OH)2 Bob Jenkins  Las Animas mine, La Mur, Sonora, Mexico view
Sewardite R141206 CaFe3+2(AsO4)2(OH)2 Shields Flynn  Tsumeb, Namibia view
Siderazot R060343 Fe3N1.33 Michael Scott S100027 Ottaviano, Mount Vesuvius, Italy view
Siderite R040034 Fe(CO3) University of Arizona Mineral Museum 7584 Pribram, Czech Republic view
Siderite X050143 Fe(CO3) Caltech  Invigtut, Greenland view
Siderite X050144 Fe(CO3) CIT 3247 near Rio de Janeiro, Brazil view
Siderite X050145 Fe(CO3) Caltech 40298 view
Siderite R050262 Fe(CO3) Marcus Origlieri  Panasqueira mine, Barroca Grande, Beira Baixa, Portugal view
Siderite R050349 Fe(CO3) California Institute of Technology  Litchfield County, Connecticut, USA view
Sigloite R050576 Fe3+Al2(PO4)2(OH)3·7H2O University of Arizona Mineral Museum 12574 Viloco, Bolivia view
Slavíkite R080048 (H3O)3Mg6Fe15(SO4)21(OH)18·98H2O Michael Scott S101492 Mandat, Bohmen, Czech Republic view
Sonoraite R070745 Fe3+(Te4+O3)(OH)·H2O Michael Scott S102667 Tombstone, Tombstone District, Cochise County, Arizona, USA view
Srebrodolskite R130096 Ca2Fe3+2O5 Rock Currier  Kopeisk, South Ural, Russia view
Stannite R050187 Cu2FeSnS4 Marcus Origlieri and George Guanghua Liu  Yaogangxian mine, Yizhang County, Hunan Province, China view
Stannoidite R160066 Cu8(Fe,Zn)3Sn2S12 University of Arizona Mineral Museum 3169 Junction mine, Warren District, Cochise County, Arizona, USA view
Staurolite R050079 Fe2+2Al9Si4O23(OH) Rock Currier  Keivy, Kola Peninsula, Russia view
Staurolite R080120 Fe2+2Al9Si4O23(OH) Shinichi Kihara  Bahia, Brazil view
Steenstrupine-(Ce) R100205 Na14Ce6Mn2+2Fe3+2Zr(PO4)7Si12O36(OH)2·3H2O Royal Ontario Museum K10061 Mont Saint-Hilaire, Rouville County, Quebec, Canada view
Stenhuggarite R080038 CaFe3+Sb3+As3+2O7 Michael Scott S101880 Langban, Filipstad, Varmland, Sweden view
Sternbergite R110137 AgFe2S3 William W. Pinch  Joachimsthal, Bohemia, Czechoslovakia view
Stewartite R070643 Mn2+Fe3+2(PO4)2(OH)2·8H2O Michael Scott S101338 Hagendorf, Bavaria, Germany view
Stilpnomelane R060334 (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O Michael Scott S100225 Blanchard Mountain, Skagit County, Washington, USA view
Stilpnomelane R070696 (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O James Shigley  Brunsjo mine, Grythyttan, Vastmanland, Sweden view
Stilpnomelane R110195 (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O Donald Doell  Broughton talc mine, Saint-Pierre-de-Broughton, Quebec, Canada view
Stottite R120089 Fe2+Ge(OH)6 William W Pinch  Tsumeb, Namibia view
Strengite R040177 Fe3+(PO4)·2H2O University of Arizona Mineral Museum 2450 Plegstein, Oberpfalz, Bavaria, Germany view
Strengite R070590 Fe3+(PO4)·2H2O James Shigley  Foddersack Mountain, near Norman, Montgomery County, Arkansas, USA view
Strontiojoaquinite R060331 (Na,Fe)2Ba2Sr2Ti2(SiO3)8(O,OH)2·H2O Michael Scott S100043 Mina Numero Uno, San Benito County, California, USA view
Strontiojoaquinite R070084 (Na,Fe)2Ba2Sr2Ti2(SiO3)8(O,OH)2·H2O James Shigley  Clear Creek area, San Benito County, California, USA view
Strunzite R050619 Mn2+Fe3+2(PO4)2(OH)2·6H2O University of Arizona Mineral Museum 16075 Hagendorf, Germany view
Sugilite R070623 KNa2Fe3+2(Li3Si12)O30 Shinichi Kihara  Wessels mine, Kuruman, Kalahari Manganese Field, South Africa view
Sugilite R130754 KNa2Fe3+2(Li3Si12)O30 Jaco and Tania Janse van Nieuwenhuizen  N'Chwaning III mine, Kalahari manganese field, Northern Cape Province, South Africa view
Swinefordite R070707 Ca0.2(Li,Al,Mg,Fe)3(Si,Al)4O10(OH,F)2·nH2O Michael Scott S102226 Foote Lithium Co. mine, Kings Mountain District, Cleveland County, North Carolina, USA view
Symplesite R120074 Fe2+3(AsO4)2·8H2O Bob Jenkins  Saubachbruch, Muldenberg, Vogtland, Sachsen, Germany view
Symplesite R130513 Fe2+3(AsO4)2·8H2O Rock Currier  Mapimi, Durango, Mexico view
Szomolnokite R070620 Fe(SO4)·H2O James Shigley  Oage mine, Ominato, Aomori-Ken, Honshu, Japan view
Talnakhite R060389 Cu9Fe8S16 Michael Scott S100088 Oktyabrskiy mine, Talnakh, Noril'sk Region, Siberia, U.S.S.R. view
Tantalite-(Fe) R070548 Fe2+Ta2O6 James Shigley  Grizzly Bear Gulch, Black Hills, Custer County, South Dakota, USA view
Tapiolite-(Fe) R050358 Fe2+Ta2O6 University of Arizona Mineral Museum 13767 Musgrave Ranges, South Australia, Australia view
Tapiolite-(Fe) R110014 Fe2+Ta2O6 Luiz Menezes  Sapucaia do Norte district, Galileia, Minas Gerais, Brazil view
Taramellite R110043 Ba4(Fe3+,Ti)4O2[B2Si8O27]Clx William W Pinch  Big Creek, Fresno County, California, USA view
Taramellite R160011 Ba4(Fe3+,Ti)4O2[B2Si8O27]Clx Gunnar Färber  Gun claim, Yukon Territory, Canada view
Tarbagataite R130041 (K◻)CaFe2+7Ti2(Si4O12)2O2(OH)5 Elena Sokolova  Verkhnee Espe deposit, Akjailyautas Mountains, Kazakhstan view
Tavorite R070523 LiFe3+(PO4)(OH) James Shigley  Bull Moose mine, Custer District, Custer County, South Dakota, USA view
Tavorite R140258 LiFe3+(PO4)(OH) Michael Scott S101093 Sandamap, Namibia view
Tennantite-(Fe) R110024 Cu6(Cu4Fe2)As4S13 William Pinch  Quiruvilca, La Libertad Department, Peru view
Tetraferriphlogopite R140819 KMg3(Si3Fe3+)O10(OH)2 Rock Currier  Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia view
Tetrataenite R140822 FeNi Rock Currier  Toluca meteorite, Jiquipilco, Mexico view
Tinticite R070682 Fe3+3(PO4)2(OH)3·3H2O Michael Scott S100660 Tintic Standard mine, East Tintic District, East Tintic Mountainsts, Utah County, Utah, USA view
Tinticite R190028 Fe3+3(PO4)2(OH)3·3H2O Joan Rosell, Jordi Ibáñez (CSIC-ITJA), Tariq Jawhari (CCiTUB)  Rocabruna mines, Bruguers, Gavà, Baix Llobregat, Barcelona, Catalonia, Spain view
Titantaramellite R060315 Ba4(Ti,Fe3+,Mg)4(O,OH)2[B2Si8O27]Clx Michael Scott S100198 Esquire #1 claim, Rush Creek, Fresno County, California, USA view
Titantaramellite R080041 Ba4(Ti,Fe3+,Mg)4(O,OH)2[B2Si8O27]Clx Michael Scott S101342 La Madrelena mine, Tres Pozos, Municipio de Tecate, Baja California Norte, Mexico view
Tochilinite R060887 6(Fe0.9S)·5[(Mg,Fe)(OH)2] Bob Jenkins  Cornwall, Pennsylvania, USA view
Tooeleite R140852 Fe3+6(AsO3)4(SO4)(OH)4·4H2O Rock Currier  U.S. mine, Gold Hill, Gold Hill District, Deep Creek Mts, Tooele County, Utah, USA view
Traskite R060706 Ba21Ca(Fe2+,Mn,Ti)4(Ti,Fe,Mg)12(Si12O36)(Si2O7)6(O,OH)30Cl6·14H2O Michael Scott S101208 Esquire no. 1 mine, Rush Creek, Fresno County, California, United States view
Trattnerite R060623 Fe3+2(Mg3Si12)O30 Michael Scott S100821 Stradner Kogel Mountain, Wilhelmsdorf, Bad Gleichenberg, Styria, Austria view
Tremolite R040045 ◻Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 University of Arizona Mineral Museum 5906 Gouverneur, New York, USA view
Tremolite R040109 ◻Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 University of Arizona Mineral Museum 14820 Cassiar, British Columbia, Canada view
Tremolite R050167 ◻Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 Marcus Origlieri  Hunza Valley, Afghanistan view
Tremolite R050173 ◻Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 Marcus Origlieri  Fort Dauphin, Madagascar view
Tremolite R050210 ◻Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 Lloyd Twaites  Sugar Lake, Cherryville, British Columbia, Canada view
Tremolite X050167 ◻Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 G.R. Rossman 231 Gouvernour, New York view
Tremolite X050168 ◻Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 CIT 13696 Passo Cadonighino, Switzerland view
Tremolite X050169 ◻Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 CIT 8038 Mt. Bity, Madagascar view
Tremolite X050170 ◻Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 CIT 321 Canaan, Connecticut, USA view
Tremolite X050171 ◻Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 CIT 290 St. Lawrence County, New York, USA view
Tremolite X050172 ◻Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 CIT 4924 Macomb, New York, USA view
Tremolite X050173 ◻Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 G.R. Rossman 1035 Haliburton, Ontario, Canada view
Tremolite R050498 ◻Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 California Institute of Technology W-21014 Inyo County, California, USA view
Tremolite R060311 ◻Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 Herb Obodda 005 Khyber Pass area, Khyber Agency, North-West Frontier Province, Pakistan view
Tremolite R061087 ◻Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 Michael Scott S101178 Turret, Chaffee County, Colorado, USA view
Tremolite R070422 ◻Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 Steve Ulatowski  Merilani Hills, Arusha, Tanzania view
Tremolite R150094 ◻Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 UAMM 9512  Belmat, St. Lawrence Co., New York, USA view
Trevorite R140860 NiFe3+2O4 Rock Currier  Bon Accord, Barberton District, Mpumalanga Province, South Africa view
Trevorite R150038 NiFe3+2O4 Gunnar Farber  Agios Konstantinos, Lavrion District slag localities, Attikí Prefecture, Greece view
Triphylite R050257 LiFe2+(PO4) Marcus Origlieri  Palermo mine, North Groton, Grafton County, New Hampshire, USA view
Triphylite R050366 LiFe2+(PO4) Marcus Origlieri  Cornelia mine, Hagendorf, Bavaria, Germany view
Triphylite R050424 LiFe2+(PO4) John Lucking  Karibib, Namibia view
Triphylite R050494 LiFe2+(PO4) California Institute of Technology W-20810 Big Chief mine, Glendale, Pennington County, South Dakota, USA view
Triphylite R050624 LiFe2+(PO4) Gemological Center  Minas Gerais, Brazil view
Triphylite R100156 LiFe2+(PO4) William W. Pinch  Conselheira Pena, Minas Geraìs, Brazil view
Tripuhyite R070383 Fe3+Sb5+O4 Michael Scott S104750 Cetine mine, Chiusdino, Siena Province, Tuscany, Italy view
Troilite R070242 FeS Michael Scott S104076 Union Mine (Salt Lake-California Mine), Low Divide District, Del Norte County, California, USA view
Troilite R070213 FeS Michael Scott S104111 Bjurbole Borga, Nyland, Finland view
Tungusite R070757 Ca14Fe2+9Si24O60(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 view
Tuperssuatsiaite R050223 Na2(Fe3+,Mn2+)3Si8O20(OH)2·4H2O Marcus Origlieri  Aris phonolite, Windhoek, Namibia view
Ushkovite R060954 MgFe3+2(PO4)2(OH)2·8H2O Bob Jenkins  Linópolis, Minas Gerais, Brazil view
Valleriite R080119 2[(Fe,Cu)S]·1.53[(Mg,Al)(OH)2] Joan Abella i Creus  Transvaal, Complexe, Palabora, Sudáfrica view
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 view
Varulite R060740 Na2Mn(MnFe3+)(PO4)3 Michael Scott S101256 Kaatiala, Finland view
Varulite R160033 Na2Mn(MnFe3+)(PO4)3 Jaroslav Hyrŝl  Nancy Pegmatite, Argentina view
Varulite R160052 Na2Mn(MnFe3+)(PO4)3 Donald Doell  Nancy Pegmatite, Chacabuco Dept, San Luis, Argentina view
Vauxite X060017 Fe2+Al2(PO4)2(OH)2·6H2O University of Arizona Mineral Museum 8499 Siglo XX mine, Llallagua, Bustillos, Potosi, Bolivia view
Vauxite R070421 Fe2+Al2(PO4)2(OH)2·6H2O James Shigley  Llallagua, Bustillos Province, Potosi, Bolivia view
Vermiculite R050490 Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O California Institute of Technology W-20939 near Tonopah, Nevada, USA view
Vernadite R080100 (Mn,Fe,Ca,Na)(O,OH)2·nH2O Michael Scott S1003673 Serra Branca pegmatite, Pedra Lavrada, Paraíba, Brazil view
Vesuvianite R050056 (Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10 Tony Gordian  Jeffrey Quarry, Asbestos, Quebec, Canada view
Vesuvianite R050035 (Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10 University of Arizona Mineral Museum 6954 Olmsteadville, New York, USA view
Vesuvianite R050233 (Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10 Marcus Origlieri  Ludwig, Nevada, USA view
Vesuvianite X050176 (Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10 RD Shannon 62047- 18 Val D'Aosta, Italy view
Vesuvianite R050489 (Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10 California Institute of Technology W-20938 Crestmore Quarry, Riverside County, California, USA view
Vesuvianite R060170 (Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10 Guy Ouellet  Jeffrey mine, Asbestos, Quebec, Canada view
Vesuvianite R060532 (Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10 Michael Scott S100121 Jeffrey mine, Asbestos, Quebec, Canada view
Vesuvianite R060902 (Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10 Michael Scott S100342 Jeffrey mine, Asbestos, Quebec, Canada view
Vesuvianite R070226 (Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10 Michael Scott S100462 Lupikko Mine, Pitkyaranta (Pitkäranta) District, Ladoga Region, Karelia Republic, Northern Region, Russia view
Violarite R060846 FeNi2S4 Michael Scott S100939 Perseverance mine, Agnew, Western Australia view
Vivianite R040185 Fe2+3(PO4)2·8H2O University of Arizona Mineral Museum 11555 Siglo XX mine, Llallagua, Bustillos, Potosi, Bolivia view
Vivianite R050076 Fe2+3(PO4)2·8H2O Rock Currier  near Canutillos mine, Potosi, Saavedra, Bolivia view
Vivianite R050464 Fe2+3(PO4)2·8H2O University of Arizona Mineral Museum 11555 Siglo XX mine, Llallagua, Potosi, Bolivia view
Vivianite R050596 Fe2+3(PO4)2·8H2O Barb Dutrow  Chernomorskiy Quarry, near Kertch City, Crimea Peninsula, Ukraine view
Vivianite R060025 Fe2+3(PO4)2·8H2O Eric Van Valkenburg  Gypsy mine, Minas Gerais, Brazil view
Vivianite R070331 Fe2+3(PO4)2·8H2O Mark Mauthner 3369 Big Fish River, Yukon Territory, Canada view
Volaschioite R130078 Fe4(SO4)O2(OH)6·2H2O Cristian Biagioni  Fornovolasco, Apuan Alps, Tuscany, Italy view
Voltaite R060237 K2Fe2+5Fe3+3Al(SO4)12·18H2O University of Arizona Mineral Museum 15636 Dexter no. 7 mine, Calf Mesa, San Rafael Swell, Emery County, Utah, USA view
Vonsenite R050221 Fe2+2Fe3+O2(BO3) Marcus Origlieri  Monchi mine, Burguillos del Cerro, Badajoz, Extremadura, Spain view
Vonsenite R050477 Fe2+2Fe3+O2(BO3) California Institute of Technology W-20961 North Hill, Riverside, California, USA view
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) view
Warwickite R050674 (Mg,Ti,Fe,Cr,Al)2O(BO3) University of Arizona Mineral Museum 3053 Edenville, Orange County, New York, USA view
Warwickite R120161 (Mg,Ti,Fe,Cr,Al)2O(BO3) Michael J. Bainbridge  South Baptiste Lake roadcut, Bancroft, Ontario, Canada view
Westerveldite R060507 FeAs Michael Scott S100040 Kvanefjeld, Ilimaussaq, Greenland view
Whiteite-(CaFeMg) R060912 CaFe2+Mg2Al2(PO4)4(OH)2·8H2O Royal Ontario Museum M52408 Yukon Territory, Canada view
Whiteite-(CaFeMg) R130055 CaFe2+Mg2Al2(PO4)4(OH)2·8H2O Thomas A. Loomis TL-22 Tip Top mine, Custer, South Dakota, USA view
Whitmoreite R110175 Fe2+Fe3+2(PO4)2(OH)2·4H2O Donald Doell  Palermo #1 mine, North Groton, Grafton County, New Hampshire, USA view
Wicksite R070274 NaCa2Fe2+2(Fe3+,Mn2+,Fe2+)4(PO4)6·2H2O Royal Ontario Museum M52275 Big Fish River, Richardson Mountains, Dawson Mining District, Yukon Territory, Canada view
Wicksite R190008 NaCa2Fe2+2(Fe3+,Mn2+,Fe2+)4(PO4)6·2H2O Don Doell  Big Fish River, Dawson mining district, Yukon, Canada view
Wilhelmkleinite R070060 ZnFe3+2(AsO4)2(OH)2 William W. Pinch  Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia view
Wilkinsonite R060922 Na4[Fe2+8Fe3+4]O4[Si12O36]   Warrumbungle Volcanics, New South Wales, Australia view
Wolfeite R050614 Fe2+2(PO4)(OH) University of Arizona Mineral Museum 3012 Hagendorf, Bavaria view
Wolfeite R060545 Fe2+2(PO4)(OH) Michael Scott S100274 Big Fish River, Yukon Territory, Canada view
Wolfeite R140864 Fe2+2(PO4)(OH) Rock Currier  Hagendorf, Waidhaus, Vohenstrauß, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany view
Xanthoxenite R050234 Ca4Fe3+2(PO4)4(OH)2·3H2O Marcus Origlieri  Palermo mine, North Groton, Grafton County, New Hampshire, USA view
Yttrotantalite-(Y) R060022 (Y,U,Fe2+)(Ta,Nb)(O,OH)4 American Museum of Natural History 67464 Swaziland view
Yttrotantalite-(Y) R060828 (Y,U,Fe2+)(Ta,Nb)(O,OH)4 Michael Scott S101196 Skuleboda, Sweden view
Yttrotantalite-(Y) R080046 (Y,U,Fe2+)(Ta,Nb)(O,OH)4 American Museum of Natural History  67464 Swaziland view
Yttrotungstite-(Y) R050569 Y(W,Fe,Si,Al,Ti)2(O,OH,H2O)9 University of Arizona Mineral Museum 3086 Perak, Malaysia view
Yuanfuliite R100067 Mg(Fe3+,Al)O(BO3) Bob Jenkins  La Ceila, near Jumilla, Murcia Province, Spain view
Yukonite X100001 Ca2Fe3+3(AsO4)3(OH)4·4H2O Geological Survey of Canada  Tagish Lake, Yukon, Canada view
Yuksporite R060818 K4(Ca,Na)14(Sr,Ba)2(◻,Mn,Fe)(Ti,Nb)4(O,OH)4(Si6O17)2(Si2O7)3(H2O,OH)3 Bob Jenkins  Chibiny, Kola Peninsula, Russia view
Yuzuxiangite R200008 Sr3Fe3+(Si2O6)2(OH)·3H2O Jaco and Tania Janse van Nieuwenhuizen  Wessels mine, Kalahari manganese field, Northern Cape Province, South Africa view
Zemannite R050273 Mg0.5ZnFe3+(Te4+O3)3·nH2O (3≤n≤4.5) Marcus Origlieri  Mina Bambollita, Moctezuma, Sonora, Mexico view
Zincocopiapite R060779 ZnFe3+4(SO4)6(OH)2·20H2O Michael Scott S101288 Les Valettes, Wallis, Switzerland view
Zinnwaldite R040138 K(Al,Fe,Li)3(Si,Al)4O10(OH)F University of Arizona Mineral Museum 15868 Tørdal, Telemark, Norway view
Zussmanite R050448 K(Fe,Mg,Mn)13(Si,Al)18O42(OH)14 Marcus Origlieri  Longvale Quarry, Mendocino County, California, USA view
Zwieselite R050279 Fe2+2(PO4)F Marcus Origlieri  Cornelia mine, Hagendorf, Bavaria, Germany view
Zýkaite R070477 Fe3+4(AsO4)3(SO4)(OH)·15H2O Michael Scott S101732 Christbescherung mine, Großvoigtsberg, Freiberg District, Erzgebirge, Saxony, Germany view
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