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Important Update News
The RRUFF Project has been migrated to RRUFF.net. Please update your bookmarks immediately, if you have not done so.
The data on this website is already three years out of date, and the entire website will be taken offline before the end of the year.
We are grateful to NASA for the funding of this effort.
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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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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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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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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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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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