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Welcome to the RRUFF Project website containing an integrated database of Raman spectra, X-ray diffraction and chemistry data for minerals. |
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Iridium RRUFF ID: R070258 |
Ideal Chemistry: Ir |
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Locality: Fox Gulch, Salmon River - Red Mountain district, Goodnews Bay, Bethel Borough, Alaska, USA Source: Michael Scott S102878 Owner: RRUFF Description: Metallic gray single grain Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Copper (13) ] | ||||||||||
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Iriginite RRUFF ID: R060269 |
Ideal Chemistry: (U6+O2)Mo6+2O7·3H2O |
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Locality: Hervey's Range Deposit, 55 kilometers west of Townsville, Queensland, Australia Source: Michael Scott S100240 Owner: RRUFF Description: Tan colored radial group of acicular prismatic crystals Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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Iron RRUFF ID: R070255 |
Ideal Chemistry: Fe |
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Locality: Camp Creek district, Silver Bow County, Montana, USA Source: Michael Scott S101919 Owner: RRUFF Description: Steel-gray anhedral grains Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Iron (1) ] | ||||||||||
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Ishikawaite RRUFF ID: R070496 |
Ideal Chemistry: (U4+,Fe2+,Y)Nb5+O4 |
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Locality: Standpipe Hill mines, Topsham, Sagadahoc County, Maine, USA Source: Michael Scott S101918 Owner: RRUFF Description: Dark brown prismatic crystal Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Columbite (32) ] | ||||||||||
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Isocubanite RRUFF ID: R090050 |
Ideal Chemistry: Cu1+Fe2+Fe3+S2-3 |
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Locality: Henderson #2 mine, Chibougamau, Quebec, Canada Source: Lloyd Twaites LT1378 Owner: RRUFF Description: The sample was obtained by heating cubanite, R061068. It was heated first at T = 200°C for a day, followed by T = 160°C for five weeks. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Groups: [ Sphalerite (35) ] [ Cubanite (7) ] | ||||||||||
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Isoferroplatinum RRUFF ID: R080067 |
Ideal Chemistry: Pt3Fe |
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Locality: Chocó Department, Colombia Source: Michael Scott S102376 Owner: RRUFF Description: Black metallic grains embedded in epoxy Status: The identification of this mineral has been confirmed only by chemical analysis |
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| Mineral Groups: [ Auricupride (3) ] [ Perovskite (44) ] | ||||||||||
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Isokite RRUFF ID: R070526 |
Ideal Chemistry: CaMgPO4F |
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Locality: Kjorrestad, near Bamle, Norway Source: University of Arizona Mineral Museum 4797 Owner: RRUFF Description: Colorless crystals, associated with wagnerite, R050519. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Titanite (17) ] | ||||||||||
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Itsiite RRUFF ID: R160010 |
Ideal Chemistry: Ba2Ca(BSi2O7)2 |
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Locality: Gun claim, Yukon Territory, Canada Source: Gunnar Färber Owner: RRUFF Description: White milky massive, associated with cerchiaraite-(Fe), diopside, pyrite, quartz, sphalerite, and witherite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Hyalotekite (1) ] | ||||||||||
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Ixiolite-(Mn2+) RRUFF ID: R070289 |
Ideal Chemistry: (Ta5+2/3Mn2+1/3)O2 |
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Locality: Voroni Tundra, Kola Peninsula, Russia Source: Michael Scott S105141 Owner: RRUFF Description: Semimetallic black crystal with internal brown hints, associated with quartz, spodumene and mica Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Columbite (32) ] | ||||||||||
| Quick search: [ All Ixiolite-(Mn2+) samples (2) ] | ||||||||||
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Ixiolite-(Mn2+) RRUFF ID: R070495 |
Ideal Chemistry: (Ta5+2/3Mn2+1/3)O2 |
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Locality: Alto Ligonha pegmatite, Alto Ligonha District, Zambezia Province, Mozambique Source: Michael Scott S105768 Owner: RRUFF Description: Black submetallic grain Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Columbite (32) ] | ||||||||||
| Quick search: [ All Ixiolite-(Mn2+) samples (2) ] | ||||||||||
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Izoklakeite RRUFF ID: R110044 |
Ideal Chemistry: Pb2+26.4(Cu1+,Fe2+)2(Sb3+,Bi3+)19.6S2-57 |
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Locality: Crabtree quarry, Wake County, North Carolina, USA Source: Mark Feinglos Owner: RRUFF Description: Lead-gray metallic aggregate of acicular crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Kobellite (9) ] | ||||||||||
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Jacobsite RRUFF ID: R060780 |
Ideal Chemistry: Mn2+Fe3+2O4 |
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Locality: Jakobsberg, Sweden Source: Michael Scott S101292 Owner: RRUFF Description: Black grains Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Spinel (66) ] | ||||||||||
| Quick search: [ All Jacobsite samples (3) ] | ||||||||||
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Jacobsite RRUFF ID: R070719 |
Ideal Chemistry: Mn2+Fe3+2O4 |
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Locality: Kombat mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia Source: William W. Pinch Owner: RRUFF Description: Black, with reddish highlights, octahedra associated with kombatite, R070720, and colorless barysilite, R070651 Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Spinel (66) ] | ||||||||||
| Quick search: [ All Jacobsite samples (3) ] | ||||||||||
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Jacobsite RRUFF ID: R120170 |
Ideal Chemistry: Mn2+Fe3+2O4 |
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Locality: N'Chwaning Mine III, Kalahari manganese field, Northern Cape Province, South Africa Source: Marshall Sussman Owner: RRUFF Description: Black octahedra Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Spinel (66) ] | ||||||||||
| Quick search: [ All Jacobsite samples (3) ] | ||||||||||
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Jadeite RRUFF ID: R050220 |
Ideal Chemistry: NaAlSi2O6 |
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Locality: Clear Creek, San Benito County, California, USA Source: Hatt Yoder Owner: RRUFF Description: Aggregate of colorless bladed crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ pyroxene (81) ] | ||||||||||
| Quick search: [ All Jadeite samples (2) ] | ||||||||||
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Jadeite RRUFF ID: R070117 |
Ideal Chemistry: NaAlSi2O6 |
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Locality: Tawmaw (Tawhmaw; Taw Maw), Myitkyina-Mogaung District, Kachin State, Myanmar (Burma) Source: Michael Scott S100409 Owner: RRUFF Description: Green massive Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ pyroxene (81) ] | ||||||||||
| Quick search: [ All Jadeite samples (2) ] | ||||||||||
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Jagoite RRUFF ID: R090028 |
Ideal Chemistry: Pb2+9Fe3+2[Si2(Si,Fe3+)3][Pb2+2Si8(Si,Fe3+)2]O41Cl3 |
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Locality: Langban, Filipstad, Varmland, Sweden Source: William W. Pinch Owner: RRUFF Description: Yellowish green translucent fine-grained micaceous aggregates of plates on matrix. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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Jagowerite RRUFF ID: R070327 |
Ideal Chemistry: BaAl2(PO4)2(OH)2 |
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Locality: Jagowerite occurrence, Hess River area, Yukon Territory, Canada Source: Mark Mauthner 632 Owner: RRUFF Description: Vitreous, light green crystals Status: The identification of this mineral is not yet confirmed. |
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Jahnsite-(CaMnFe) RRUFF ID: R060310 |
Ideal Chemistry: CaMn2+Fe2+2Fe3+2(PO4)4(OH)2·8H2O |
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Locality: Hagendorf Sud, Hessen, Bavaria, Germany Source: Michael Scott S100177 Owner: RRUFF Description: Reddish-brown prismatic crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Jahnsite (7) ] | ||||||||||
| Quick search: [ All Jahnsite-(CaMnFe) samples (2) ] | ||||||||||
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Jahnsite-(CaMnFe) RRUFF ID: R070733 |
Ideal Chemistry: CaMn2+Fe2+2Fe3+2(PO4)4(OH)2·8H2O |
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Locality: Voron'i Tundry, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Source: Michael Scott S104150 Owner: RRUFF Description: Orange-brown elongated tabular crystals associated with quartz, spodumene, and schorl. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Jahnsite (7) ] | ||||||||||
| Quick search: [ All Jahnsite-(CaMnFe) samples (2) ] | ||||||||||
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Jahnsite-(CaMnMg) RRUFF ID: R060213 |
Ideal Chemistry: CaMn2+Mg2Fe3+2(PO4)4(OH)2·8H2O |
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Locality: Tip Top mine, Custer County, South Dakota, USA Source: Marcus Origlieri Owner: RRUFF Description: Brown tabular crystals associated with black prismatic rockbridgeite, R060858 Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Jahnsite (7) ] | ||||||||||
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Jahnsite-(CaMnMn) RRUFF ID: R080072 |
Ideal Chemistry: CaMn2+Mn2+2Fe3+2(PO4)4(OH)2·8H2O |
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Locality: Tip Top mine, Custer Country, South Dakota, USA Source: Tom Loomis TL-42 Owner: RRUFF Description: Pale yellow blocky to thick tabular crystals associated with scholzite, R080068 Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Jahnsite (7) ] | ||||||||||
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Jamborite RRUFF ID: R070619 |
Ideal Chemistry: Ni2+1-xCo3+x(OH)2-x(S6+O4)x·nH2O [x ≤ 1/3; n ≤ (1-x)] |
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Locality: Eugenia mine, Bellmunt del Priorat, Tarragona, Catalonia, Spain Source: Joan Abella i Creus Owner: RRUFF Description: Spinach-green radiating aggregates, associated with dolomite. Sample appears to be amorphous. Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Hydrotalcite (22) ] | ||||||||||
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Jamesite RRUFF ID: R060274 |
Ideal Chemistry: Pb2+2Zn2+Fe3+2(Fe3+,Zn2+)4(As5+O4)4(OH)8(OH,O)2 |
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Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia Source: Michael Scott S100195 Owner: RRUFF Description: Reddish-brown bladed crystals coated with white dolomite and associated with dark green duftite Status: The identification of this mineral is not yet confirmed. |
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Jamesonite RRUFF ID: R050430 |
Ideal Chemistry: Pb2+4Fe2+Sb3+6S2-14 |
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Locality: Zacatecas, Mexico Source: University of Arizona Mineral Museum 13241 Owner: RRUFF Description: Grayish black coarsely acicular crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Jamesonite samples (4) ] | ||||||||||
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Jamesonite RRUFF ID: R050431 |
Ideal Chemistry: Pb2+4Fe2+Sb3+6S2-14 |
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Locality: Trinacria mine, Lake Poopo, Oruro, Bolivia Source: University of Arizona Mineral Museum 3552 Owner: RRUFF Description: Aggregate of black coarse prismatic crystals, intimately mixed with sphalerite Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Jamesonite samples (4) ] | ||||||||||
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Jamesonite RRUFF ID: R050432 |
Ideal Chemistry: Pb2+4Fe2+Sb3+6S2-14 |
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Locality: San Jose mine, Oruro District, Bolivia Source: University of Arizona Mineral Museum 15930 Owner: RRUFF Description: Grayish black coarse acicular crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Jamesonite samples (4) ] | ||||||||||
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Jamesonite RRUFF ID: R050481 |
Ideal Chemistry: Pb2+4Fe2+Sb3+6S2-14 |
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Locality: Itos mine, Oruro City, Bolivia Source: California Institute of Technology Owner: RRUFF Description: A group of gray-black thickly acicular crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Jamesonite samples (4) ] | ||||||||||
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Janhaugite RRUFF ID: R070731 |
Ideal Chemistry: Na3Mn2+3Ti4+2(Si2O7)2(O,OH,F)4 |
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Locality: Gjerdingselva (Gjerdingen), Nordmarka, Lunner, Oppland, Norway Source: Michael Scott S102923 Owner: RRUFF Description: Reddish brown prismatic crystals associated with quartz and aegirine Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Wohlerite (11) ] | ||||||||||
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Jarlite RRUFF ID: R050667 |
Ideal Chemistry: Na2(Sr,Na)14(Mg,◻)2Al12F64(OH)4 |
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Locality: Ivigtut, Greenland Source: University of Arizona Mineral Museum 10118 Owner: RRUFF Description: Colorless elongated prisms Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Jarlite (2) ] | ||||||||||
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Jarosite RRUFF ID: X050105 |
Ideal Chemistry: KFe3+3(S6+O4)2(OH)6 |
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Locality: Barium Queen mine, Barstow, California, USA Source: Caltech Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Groups: [ alunite (46) ] [ Alunite (20) ] | ||||||||||
| Quick search: [ All Jarosite samples (5) ] | ||||||||||
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Jarosite RRUFF ID: X050106 |
Ideal Chemistry: KFe3+3(S6+O4)2(OH)6 |
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Locality: near Calico Hills, Barstow, California, USA Source: Caltech Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Groups: [ alunite (46) ] [ Alunite (20) ] | ||||||||||
| Quick search: [ All Jarosite samples (5) ] | ||||||||||
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Jarosite RRUFF ID: R060113 |
Ideal Chemistry: KFe3+3(S6+O4)2(OH)6 |
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Locality: Iron Blossom mine, East Tintic District, Eureka, Utah, USA Source: University of Arizona Mineral Museum 9868 Owner: RRUFF Description: Amber-yellow to dark brown rhombohedral crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Groups: [ alunite (46) ] [ Alunite (20) ] | ||||||||||
| Quick search: [ All Jarosite samples (5) ] | ||||||||||
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Jarosite RRUFF ID: R060236 |
Ideal Chemistry: KFe3+3(S6+O4)2(OH)6 |
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Locality: Gold Hill, Tooele County, Utah, USA Source: Michael Scott S100148 Owner: RRUFF Description: Spherical groups of brown bladed crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Groups: [ alunite (46) ] [ Alunite (20) ] | ||||||||||
| Quick search: [ All Jarosite samples (5) ] | ||||||||||
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Jarosite RRUFF ID: R070493 |
Ideal Chemistry: KFe3+3(S6+O4)2(OH)6 |
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Locality: Maria Josefa mine, Rhodalquilar, Almeria Province, Spain Source: Bob Jenkins Owner: RRUFF Description: Dark brown rhombohedral crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Groups: [ alunite (46) ] [ Alunite (20) ] | ||||||||||
| Quick search: [ All Jarosite samples (5) ] | ||||||||||
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Jasmundite RRUFF ID: R060805 |
Ideal Chemistry: Ca11O2(SiO4)4S2- |
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Locality: Bellerberg, Eifel Mts., Germany Source: Michael Scott S101260 Owner: RRUFF Description: Brownish-green irregular grains Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
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Jeanbandyite RRUFF ID: R070724 |
Ideal Chemistry: Fe3+Sn4+(OH)5O |
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Locality: Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), Llallagua, Bustillos Province, Potosí Department, Bolivia Source: Michael Scott S104148 Owner: RRUFF Description: Orange-brown spheroids associated with quartz Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Perovskite (44) ] | ||||||||||
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Jensenite RRUFF ID: R080008 |
Ideal Chemistry: Cu2+3Te6+O6·2H2O |
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Locality: Montezuma mine, Sonora, Mexico Source: William W. Pinch Owner: RRUFF Description: Bright green equant crystals found on the holotype specimen of cesbronite, R080003 Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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Jeremejevite RRUFF ID: X050107 |
Ideal Chemistry: Al6(BO3)5F3 |
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Locality: Namibia Source: G.R. Rossman 1557 Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Quick search: [ All Jeremejevite samples (3) ] | ||||||||||
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Jeremejevite RRUFF ID: R060533 |
Ideal Chemistry: Al6(BO3)5F3 |
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Locality: Erongo Mountains, Nambia Source: Gemological Institute of America 30222 Owner: RRUFF Description: Pale blue fragments of hexagonal prisms Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Jeremejevite samples (3) ] | ||||||||||
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Jeremejevite RRUFF ID: R060617 |
Ideal Chemistry: Al6(BO3)5F3 |
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Locality: Ameib Farm, Usakos, Karibib District, Erongo Region, Namibia Source: Michael Scott S100825 Owner: RRUFF Description: Very pale blue hexagonal prism Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Jeremejevite samples (3) ] | ||||||||||
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Jerrygibbsite RRUFF ID: R070726 |
Ideal Chemistry: Mn2+9(SiO4)4(OH)2 |
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Locality: Parker Shaft, Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA Source: Michael Scott S104179 Owner: RRUFF Description: Pale pink interlocking anhedral grains associated with zincite, franklinite, and hodgkinsonite. Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Humite (21) ] | ||||||||||
| Quick search: [ All Jerrygibbsite samples (2) ] | ||||||||||
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Jerrygibbsite RRUFF ID: R100042 |
Ideal Chemistry: Mn2+9(SiO4)4(OH)2 |
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Locality: Kombat mine, Otavi Mountains, Namibia Source: William W Pinch Owner: RRUFF Description: Tan transparent cleavages, associated with hausmannite, calcite, and an orange-red granular vesuvianite-group mineral Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Humite (21) ] | ||||||||||
| Quick search: [ All Jerrygibbsite samples (2) ] | ||||||||||
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Jimkrieghite RRUFF ID: R220012 |
Ideal Chemistry: Ca(C2H3O3)1-2 |
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Locality: Western end of Pusch Ridge in the Santa Catalina Mountains, north of Tucson, Pima County, Arizona, USA Source: Warren Lazar Owner: RRUFF Description: Colorless short prismatic or pseudo-cubic crystals, associated with blue lazaraskeite. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Glycolate (6) ] | ||||||||||
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Jinshajiangite RRUFF ID: R060580 |
Ideal Chemistry: BaNaFe2+4Ti4+2(Si2O7)2O2(OH)2F |
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Locality: Norra Karr, Sweden Source: Michael Scott S100809 Owner: RRUFF Description: Brownish red vein material with pronounced cleavage Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Perraultite (3) ] | ||||||||||
| Quick search: [ All Jinshajiangite samples (3) ] | ||||||||||
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Jinshajiangite RRUFF ID: R061018 |
Ideal Chemistry: BaNaFe2+4Ti4+2(Si2O7)2O2(OH)2F |
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Locality: Jinshajiang River, western Sichuan Province, China Source: Pingqiu Fu Owner: RRUFF Description: Brownish red cleavage fragments, portion of the type sample Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Perraultite (3) ] | ||||||||||
| Quick search: [ All Jinshajiangite samples (3) ] | ||||||||||
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Jinshajiangite RRUFF ID: R130031 |
Ideal Chemistry: BaNaFe2+4Ti4+2(Si2O7)2O2(OH)2F |
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Locality: Dmitrievka village, Mariupol' Massif, Azov Sea Region, Donets'k Oblast', Ukraine Source: Don Doell DD 13-05 Owner: RRUFF Description: Reddish brown massive, exhibiting good cleavage Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Perraultite (3) ] | ||||||||||
| Quick search: [ All Jinshajiangite samples (3) ] | ||||||||||
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Joaquinite-(Ce) RRUFF ID: X050026 |
Ideal Chemistry: NaBa2Fe2+Ti4+2Ce3+2(Si4O12)2O2(OH)·H2O |
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Locality: San Benito, California, USA Source: G.R. Rossman 1538 Owner: Caltech Description: Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ joaquinite (4) ] | ||||||||||
| Quick search: [ All Joaquinite-(Ce) samples (2) ] | ||||||||||
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Joaquinite-(Ce) RRUFF ID: R120101 |
Ideal Chemistry: NaBa2Fe2+Ti4+2Ce3+2(Si4O12)2O2(OH)·H2O |
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Locality: Gem mine, San Benito County, California, USA Source: Bob Jenkins Owner: RRUFF Description: Brown pseudo-orthorhombic crystals, associated with black neptunite Status: The identification of this mineral has been confirmed only by chemical analysis |
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| Mineral Group: [ joaquinite (4) ] | ||||||||||
| Quick search: [ All Joaquinite-(Ce) samples (2) ] | ||||||||||
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Joesmithite RRUFF ID: R120157 |
Ideal Chemistry: Pb2+Ca2Mg3Fe3+2(Si6Be2)O22(OH)2 |
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Locality: Ramsorten drift, Langban, Sweden Source: Rock Currier Owner: RRUFF Description: Reddish brown to black short prismatic crystals and fragments associated with hematite, from type sample Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ amphibole (107) ] | ||||||||||
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Johachidolite RRUFF ID: R070640 |
Ideal Chemistry: CaAlB3O7 |
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Locality: Pyant Gyi mine, Mogok Stone Tract, Mandalay Division, Burma Source: Marcus Origlieri Owner: RRUFF Description: Pale yellowish orange granular Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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Johannite RRUFF ID: R070061 |
Ideal Chemistry: Cu2+(U6+O2)2(S6+O4)2(OH)2·8H2O |
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Locality: Joachimstal, Bohemia Source: William W. Pinch Owner: RRUFF Description: Emerald green transparent fragment Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Johannite (1) ] | ||||||||||
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Johannsenite RRUFF ID: R140753 |
Ideal Chemistry: CaMn2+Si2O6 |
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Locality: Franklin, Franklin Mining District, Sussex County, New Jersey, USA Source: Rock Currier Owner: RRUFF Description: Vitreous white small prismatic striated crystals on tips and edges of pink rhodochrosite crystals on beige fine granular matrix, associated with prismatic colorless willemite. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ pyroxene (81) ] | ||||||||||
| Quick search: [ All Johannsenite samples (2) ] | ||||||||||
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Johannsenite RRUFF ID: R150013 |
Ideal Chemistry: CaMn2+Si2O6 |
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Locality: Wessels mine, Kalahari manganese field, South Africa Source: Paul Botha Owner: RRUFF Description: Pale blue, massive, epimorphic Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ pyroxene (81) ] | ||||||||||
| Quick search: [ All Johannsenite samples (2) ] | ||||||||||
)
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Johnbaumite RRUFF ID: R070753 |
Ideal Chemistry: Ca5(As5+O4)3OH |
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Locality: Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex County, New Jersey, USA Source: Michael Scott S102926 Owner: RRUFF Description: Pale brown to gray massive Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Apatite (56) ] | ||||||||||
)
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Johninnesite RRUFF ID: R060249 |
Ideal Chemistry: Na2Mn2+9Mg7(As5+O4)2(Si6O17)2(OH)8 |
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Locality: Kombat mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia Source: William W. Pinch Owner: RRUFF Description: Colorless to tan aggregate of bladed crystals associated with rhodonite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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)
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Jôkokuite RRUFF ID: R070102 |
Ideal Chemistry: Mn2+S6+O4·5H2O |
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Locality: Jokoku mine, Hokkaido, Japan Source: Michael Scott S105067 Owner: RRUFF Description: Pale pink to colorless effluorescent grains Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Chalcanthite (8) ] | ||||||||||
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Jonesite RRUFF ID: R070735 |
Ideal Chemistry: KBa2Ti4+2(Si5Al)O18·nH2O |
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Locality: Dallas Gem Mine (Gem Mine; Benitoite Mine), New Idria District, San Benito County, California, USA Source: Michael Scott S103267 Owner: RRUFF Description: Rosettes of colorless blades associated with reddish brown neptunite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Jonesite samples (2) ] | ||||||||||
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Jonesite RRUFF ID: R080005 |
Ideal Chemistry: KBa2Ti4+2(Si5Al)O18·nH2O |
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Locality: Langban, Filipstad, Varmland, Sweden Source: Michael Scott S101067 Owner: RRUFF Description: Colorless blades associated with metallic haussmanite and calcite. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Jonesite samples (2) ] | ||||||||||
)
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Jordanite RRUFF ID: R070723 |
Ideal Chemistry: Pb2+14As3+6S2-23 |
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Locality: Lengenbach quarry, Binntal, Wallis (Valais), Switzerland Source: Michael Scott S102054 Owner: RRUFF Description: Lead-gray metallic pseudohexagonal crystal in dolomite vug Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Geocronite (1) ] | ||||||||||
)
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Jordisite RRUFF ID: R060864 |
Ideal Chemistry: Mo4+S2-2 |
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Locality: Bleiberg, Karnten, Osterreich, Austria Source: Michael Scott S100863 Owner: RRUFF Description: Associated with dark blue massive ilsemannite Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Amorphous (18) ] | ||||||||||
)
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Jørgensenite RRUFF ID: R100009 |
Ideal Chemistry: Na2Sr14Na2Al12F64(OH)4 |
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Locality: Ivigtut, Frederikshab District, South West Greenland Source: William Pinch Owner: RRUFF Description: Colorless massive, associated with pyrite, co-type sample Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Jarlite (2) ] | ||||||||||
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Joséite-A RRUFF ID: R060963 |
Ideal Chemistry: Bi4TeS2 |
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Locality: Tanza mine, Potosi deptmartment, Bolivia Source: Michael Scott S101439 Owner: RRUFF Description: Hexagonal, metallic gray single crystal Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Tetradymite (8) ] | ||||||||||
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Jouravskite RRUFF ID: R110012 |
Ideal Chemistry: Ca3Mn4+(S6+O4)(CO3)(OH)6·12H2O |
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Locality: Wessels mine, Kurumen, Kalahari manganese field, Cape Province, South Africa Source: William Pinch Owner: RRUFF Description: Yellow hexagonal prism associated with calcite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Ettringite (6) ] | ||||||||||
)
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Juabite RRUFF ID: R220005 |
Ideal Chemistry: CaCu2+10(Te4+O3)4(As5+O4)4(OH)2·4H2O |
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Locality: Pittsburg-Liberty Mine, New York Hill, Masonic Mining District, Bodie Hills, Mono Co., California, USA Source: Daniel Evanich Owner: Daniel Evanich Description: A cluster of stacked green crystals, associated with acicular light blue mixite on quartz Status: unconfirmed |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
)
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Juangodoyite RRUFF ID: R060884 |
Ideal Chemistry: Na2Cu2+(CO3)2 |
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Locality: Santa Rosa mine, Iquique Province, Chile Source: Bob Jenkins Owner: RRUFF Description: Purple-blue earthy massive Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
)
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Julgoldite-(Fe2+) RRUFF ID: R070725 |
Ideal Chemistry: Ca2Fe2+Fe3+2(Si2O7)(SiO4)(OH)2·H2O |
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Locality: Khandivali Quarry (Kandivali Quarry), Mumbai District (Bombay District), Maharashtra, India Source: Michael Scott S104176 Owner: RRUFF Description: Clusters of black blades associated with pale green bladed prehnite and quartz Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Pumpellyite (6) ] | ||||||||||
)
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Julgoldite-(Fe3+) RRUFF ID: R070261 |
Ideal Chemistry: Ca2Fe3+Fe3+2(Si2O7)(SiO4)O(OH)·H2O |
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Locality: Harstigen Mine, Pajsberg, Filipstad, Varmland, Sweden Source: Michael Scott S104182 Owner: RRUFF Description: Dark gray metallic massive associated with hematite, andradite and rhodonite Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Pumpellyite (6) ] | ||||||||||
)
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Junitoite RRUFF ID: R050154 |
Ideal Chemistry: CaZn2+2Si2O7·H2O |
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Locality: Christmas mine, Christmas, Gila County, Arizona, USA Source: Jim McGlasson Owner: RRUFF Description: Colorless thin hexagonal crystals and platy purple aggregates Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Junitoite samples (2) ] | ||||||||||
)
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Junitoite RRUFF ID: R120100 |
Ideal Chemistry: CaZn2+2Si2O7·H2O |
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Locality: Christmas mine, Christmas, Gila County, Arizona, USA Source: Bob Jenkins Owner: RRUFF Description: Spray of colorless to pale purple crystals. Part of the co-type. Associated with green hydroxyapophyllite and clinohedrite, R120105. Used in the Yang et al (2012) structure redetermination. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Junitoite samples (2) ] | ||||||||||
)
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Juonniite RRUFF ID: R070732 |
Ideal Chemistry: CaMgSc(PO4)2(OH)·4H2O |
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Locality: Zheleznyi Mine (Iron Mine), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Source: Michael Scott S105776 Owner: RRUFF Description: Spherical aggregates of brown platy and curved crystals associated with dolomite. Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Overite (3) ] | ||||||||||
)
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Jurbanite RRUFF ID: R130817 |
Ideal Chemistry: Al(S6+O4)(OH)·5H2O |
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Locality: San Manuel mine, San Manuel, San Manuel District, Pinal County, Arizona, USA Source: Rock Currier Owner: RRUFF Description: Tiny, vitreous clear granular xls in white matrix. This is a portion of the type sample. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
)
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K3Fe(CN)5NO RRUFF ID: R060933 |
Ideal Chemistry: K3Fe(CN)5NO |
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Locality: Synthetic, made in the Czech Republic Source: Rock H. Currier Collection 3156 Owner: RRUFF Description: Large sharp single crystal, translucent red, incorrectly distributed as lopezite Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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)
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Kaersutite RRUFF ID: R070128 |
Ideal Chemistry: NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
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Locality: Mt Etna, Etna Volcanic Complex, Catania Province, Sicily, Italy Source: Michael Scott S100410 Owner: RRUFF Description: Black cleavage fragment with dark-red internal highlites Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ amphibole (107) ] | ||||||||||
| Quick search: [ All Kaersutite samples (2) ] | ||||||||||
)
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Kaersutite RRUFF ID: R141092 |
Ideal Chemistry: NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
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Locality: Rothenberg, Bell, Eifel, Germany Source: Ch. and H. Schäfer Owner: RRUFF Description: Rusty brown blades embedded in matrix Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ amphibole (107) ] | ||||||||||
| Quick search: [ All Kaersutite samples (2) ] | ||||||||||
)
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Kainite RRUFF ID: R070152 |
Ideal Chemistry: KMg(S6+O4)Cl·2.75H2O |
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Locality: Hansa mine, Hannover, Lower Saxony, Germany Source: James Shigley Owner: RRUFF Description: Lavendar granular massive Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Kainite samples (2) ] | ||||||||||
)
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Kainite RRUFF ID: R100021 |
Ideal Chemistry: KMg(S6+O4)Cl·2.75H2O |
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Locality: Leopoldshall, Stassfurt, Stassfurt Deposit, Saxony-Anhalt, Germany Source: Michael Scott S105209 Owner: RRUFF Description: Colorless grains associated with carnallite R070291 and pentahydrite R100022 Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Kainite samples (2) ] | ||||||||||
)
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Kainosite-(Y) RRUFF ID: R070759 |
Ideal Chemistry: Ca2Y2(SiO3)4(CO3)·H2O |
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Locality: Bicroft mine, Cardiff Township, Haliburton Co., Ontario, Canada Source: Michael Scott S104160 Owner: RRUFF Description: Light brown prismatic crystals associated with quartz and green fluorite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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Kaliborite RRUFF ID: R060352 |
Ideal Chemistry: KHMg2B12O16(OH)10·4H2O |
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Locality: Inder Boron deposit, Atyrau (Gur'yev), Atyrau Oblast', Kazakhstan Source: Herb Obodda 008 Owner: RRUFF Description: Colorless fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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Kalicinite RRUFF ID: R130026 |
Ideal Chemistry: KH(CO3) |
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Locality: Lab-grown by bacteria in 15% potassium carbonate Source: Dr. Flavia Pinzari Owner: RRUFF Description: Colorless prismatic or elongated tabular crystals with striations parallel to the elongated direction. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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)
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Kaliophilite RRUFF ID: R061113 |
Ideal Chemistry: KAlSiO4 |
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Locality: Bolsena, Lazio, Italy Source: Michael Scott S100866 Owner: RRUFF Description: Colorless acicular silky crystals associated with colorless prismatic apatite, orange akermanite and black augite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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Kalsilite RRUFF ID: R060030 |
Ideal Chemistry: KAlSiO4 |
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Locality: San Venanzo, Italy Source: University of Arizona Mineral Museum 16160 Owner: RRUFF Description: White acicular single crystals of kalsilite, associated with thinner colorless fluorapatite and brown tabular phlogopite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Kalsilite samples (2) ] | ||||||||||
)
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Kalsilite RRUFF ID: R060801 |
Ideal Chemistry: KAlSiO4 |
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Locality: Marino, Latium, Italy Source: Smithsonian Institute 136447 Owner: RRUFF Description: White anhedral blebs Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Kalsilite samples (2) ] | ||||||||||
)
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Kamaishilite RRUFF ID: R070297 |
Ideal Chemistry: Ca2(SiAl2)O6(OH)2 |
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Locality: Kamaishi mine, Iwate Prefecture, Tohoku Region, Honshu Island, Japan Source: Michael Scott S101430 Owner: RRUFF Description: Colorless crystalline massive Status: The identification of this mineral is not yet confirmed. |
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)
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Kamarizaite RRUFF ID: R090020 |
Ideal Chemistry: Fe3+3(As5+O4)2(OH)3·3H2O |
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Locality: Kamareza Mines, Laurion, Greece Source: William W. Pinch Owner: RRUFF Description: Tan colored massive on brown matrix. Status: The identification of this mineral is not yet confirmed. |
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)
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Kamchatkite RRUFF ID: R070039 |
Ideal Chemistry: KCu2+3O(S6+O4)2Cl |
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Locality: Great Tolbachik Eruption (1975-6), Tolbachik Volcano, Kamchatka Peninsula, Russia Source: Michael Scott S105068 Owner: RRUFF Description: Light apple green poorly formed crystals, co-type material Status: The identification of this mineral is not yet confirmed. |
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)
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Kamphaugite-(Y) RRUFF ID: R080085 |
Ideal Chemistry: CaY(CO3)2(OH)·H2O |
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Locality: Ashland, Massachusetts, USA Source: Peter Cristofono Owner: RRUFF Description: Spherical clusters of peach colored radiating crystals, associated with colorless calcite and prismatic laumonite. The orange spheres are a mixture of stellerite and a thin coating, assumed to be the kamphaugite-(Y), that we cannot confirm (amorphous). Status: The identification of this mineral is not yet confirmed. |
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)
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Kanemite RRUFF ID: R070544 |
Ideal Chemistry: NaSi2O4(OH)·3H2O |
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Locality: Alluaiv Mountain, Lovozero Massif, Kola Peninsula, Murmanskaya Oblast'; Northern Region, Russia Source: Michael Scott S100437 Owner: RRUFF Description: Small aggregate of white acicular crystals Status: The identification of this mineral is not yet confirmed. |
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)
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Kaňkite RRUFF ID: R060783 |
Ideal Chemistry: Fe3+As5+O4·3.5H2O |
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Locality: Kank by Kutna Hora, Bohemia, Czech Republic Source: Michael Scott S101158 Owner: RRUFF Description: Gray botryoidal crust Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Kankite (1) ] | ||||||||||
)
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Kanoite RRUFF ID: R061134 |
Ideal Chemistry: Mn2+MgSi2O6 |
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Locality: Balmat, St. Lawrence County, New York, USA Source: Michael Scott S102050 Owner: RRUFF Description: Yellowish brown granular aggregate Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ pyroxene (81) ] | ||||||||||
)
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Kaolinite RRUFF ID: R140004 |
Ideal Chemistry: Al2Si2O5(OH)4 |
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Locality: Guanajuato, Mexico Source: Rock Currier Owner: RRUFF Description: Consolidated fine-grained white powder Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Groups: [ Clay (86) ] [ Kaolinite (7) ] | ||||||||||
| Quick search: [ All Kaolinite samples (2) ] | ||||||||||
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Kaolinite RRUFF ID: R160007 |
Ideal Chemistry: Al2Si2O5(OH)4 |
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Locality: 32o58' N-82o53' W approximately, topographic map Tabernacle, Georgia. Collected from face of Coss-Hodges pit, October 3,1972. Source: Source Clays Project of The Clay Minerals Society (donated by Eduardo Ferraz) Owner: RRUFF Description: White powder (Kaolin KGa-1, low-defect) [see the reference by Madejova and Komadel (2001)]. The sample is not 100% pure. It contains some impurity.. Status: unconfirmed |
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| Mineral Groups: [ Clay (86) ] [ Kaolinite (7) ] | ||||||||||
| Quick search: [ All Kaolinite samples (2) ] | ||||||||||
)
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Kapellasite RRUFF ID: R140623 |
Ideal Chemistry: Cu2+3Zn2+(OH)6Cl2 |
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Locality: Sounion mine No. 19, Lavrion District, Attikí Prefecture, Greece Source: Stefan Schorn Owner: RRUFF Description: Acicular green-blue tufts Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Atacamite (16) ] | ||||||||||
)
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Kapustinite RRUFF ID: R060896 |
Ideal Chemistry: Na6Zr4+Si6O16(OH)2 |
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Locality: Palitra pegmatite, Kedykverpakhk Mountain, Lovozero Massif, Russia Source: Michael Scott S100956 Owner: RRUFF Description: Reddish brown vitreous massive fragment Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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)
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Karchevskyite RRUFF ID: R070103 |
Ideal Chemistry: Mg18Al9(OH)54Sr2(CO3)9(H2O)6(H3O)5 |
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Locality: Zheleznyi mine, Kovdor Massif, Kola Peninsula, Russia Source: Michael Scott S105069 Owner: RRUFF Description: Colorless hexagonal plates, co-type material, associated with phlogopite, dolomite, pyrite, and magnetite. We only observed the subcell. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Hydrotalcite (22) ] | ||||||||||
)
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Karibibite RRUFF ID: R060307 |
Ideal Chemistry: Fe3+3(As3+O2)4(As3+2O5)(OH) |
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Locality: Urucum, Municipio de Galilea, Minas Gerais, Brazil Source: Michael Scott S100061 Owner: RRUFF Description: Yellowish-brown acicular crystals lining cavities Status: The identification of this mineral is not yet confirmed. |
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| Quick search: [ All Karibibite samples (2) ] | ||||||||||
)
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Karibibite RRUFF ID: R060380 |
Ideal Chemistry: Fe3+3(As3+O2)4(As3+2O5)(OH) |
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Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia Source: Michael Scott S100188 Owner: RRUFF Description: Matted coating of orange-yellow thin hairs Status: The identification of this mineral is not yet confirmed. |
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| Quick search: [ All Karibibite samples (2) ] | ||||||||||
)
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Karnasurtite-(Ce) RRUFF ID: R080037 |
Ideal Chemistry: Ce3+Ti4+AlSi2O7(OH)4·3H2O |
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Locality: Karnasurt Mountain, Lovozero, Kola, Russia Source: Michael Scott S101155 Owner: RRUFF Description: Honey yellow platey crystals (metamict) Status: The identification of this mineral is not yet confirmed. |
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)
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Kasolite RRUFF ID: R060479 |
Ideal Chemistry: Pb2+(U6+O2)SiO4·H2O |
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Locality: Musonoi Extension, Shaba Province, Zaire Source: Michael Scott S100307 Owner: RRUFF Description: Yellowish-orange prismatic single crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Kasolite samples (2) ] | ||||||||||
)
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Kasolite RRUFF ID: R070155 |
Ideal Chemistry: Pb2+(U6+O2)SiO4·H2O |
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Locality: Katherine District, Northern Territory, Australia Source: James Shigley Owner: RRUFF Description: Radiating thin yellow laths Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Kasolite samples (2) ] | ||||||||||
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