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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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Ericaite RRUFF ID: R130476 |
Ideal Chemistry: Fe2+3B7O13Cl |
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Locality: Bischofferode, Kreis Worbis, Thuringen, Germany Source: Rock Currier Owner: RRUFF Description: Dark purple cube Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Boracite (9) ] | ||||||||||
| Quick search: [ All Ericaite samples (2) ] | ||||||||||
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Ericaite RRUFF ID: R130477 |
Ideal Chemistry: Fe2+3B7O13Cl |
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Locality: Sudahm, Germany Source: Rock Currier Owner: RRUFF Description: Dark purple cube Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Boracite (9) ] | ||||||||||
| Quick search: [ All Ericaite samples (2) ] | ||||||||||
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Ericssonite RRUFF ID: R070615 |
Ideal Chemistry: BaMn2+2Fe3+(Si2O7)O(OH) |
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Locality: Langban, Filipstad, Varmland, Sweden Source: Rock Currier (large piece), Michael Scott (small piece) S100162 Owner: RRUFF Description: Dark reddish brown platy crystals associated with rhodonite and diopside, this is the orthorhombic polytype, formally known as orthoericssonite. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Groups: [ Lamprophyllite (9) ] [ Ericssonite (3) ] | ||||||||||
| Quick search: [ All Ericssonite samples (2) ] | ||||||||||
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Ericssonite RRUFF ID: R130001 |
Ideal Chemistry: BaMn2+2Fe3+(Si2O7)O(OH) |
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Locality: Langban, Filipstad, Varmland, Sweden Source: Marcus Origlieri Owner: RRUFF Description: Dark red platy, massive, monoclinic polytype, associated with caryopilite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Groups: [ Lamprophyllite (9) ] [ Ericssonite (3) ] | ||||||||||
| Quick search: [ All Ericssonite samples (2) ] | ||||||||||
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Erikapohlite RRUFF ID: R220044 |
Ideal Chemistry: (◻0.5Cu2+0.5)Cu2+CaZn2+2(As5+O4)3·H2O |
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Locality: Tsumeb, Namibia Source: Robert Lavinsky Owner: Robert Lavinsky Description: Blue prismatic crystals Status: unconfirmed |
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| Mineral Group: [ Alluaudite (22) ] | ||||||||||
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Eriochalcite RRUFF ID: R070026 |
Ideal Chemistry: Cu2+Cl2·2H2O |
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Locality: Tolbachik Volcano, Kamchatka Peninsula, Russia Source: Michael Scott S105091 Owner: RRUFF Description: Pale bluish-green effluorescence Status: The identification of this mineral is not yet confirmed. |
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Erionite-Ca RRUFF ID: R060836 |
Ideal Chemistry: Ca5(Si26Al10O72)·30H2O |
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Locality: Moeraki, Otago, South Island, New Zealand Source: Michael Scott S100925 Owner: RRUFF Description: Radiating group of colorless acicular hexagonal prisms Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Erionite (4) ] | ||||||||||
| Quick search: [ All Erionite-Ca samples (2) ] | ||||||||||
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Erionite-Ca RRUFF ID: R061110 |
Ideal Chemistry: Ca5(Si26Al10O72)·30H2O |
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Locality: Maze, Niigata Prefecture, Japan Source: Michael Scott S104607 Owner: RRUFF Description: Radiating white crystals with clinoptilolite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Erionite (4) ] | ||||||||||
| Quick search: [ All Erionite-Ca samples (2) ] | ||||||||||
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Erionite-K RRUFF ID: R061104 |
Ideal Chemistry: K10(Si26Al10O72)·30H2O |
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Locality: Chase Creek, Falkland, British Columbia, Canada Source: Michael Scott S104442 Owner: RRUFF Description: A cavity lined with randomly oriented colorless prismatic crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Erionite (4) ] | ||||||||||
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Erionite-Na RRUFF ID: R061126 |
Ideal Chemistry: Na10(Si26Al10O72)·30H2O |
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Locality: Dunseverick, Ireland Source: Michael Scott S104606 Owner: RRUFF Description: Colorless prismatic crystals frozen in basalt nodules with chabazite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Erionite (4) ] | ||||||||||
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Erlichmanite RRUFF ID: R070095 |
Ideal Chemistry: Os2+(S2)2- |
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Locality: placer from Philipp Massif, Kamchatka, Russia Source: Michael Scott S105089 Owner: RRUFF Description: Silver bleb in black isoferroplatinum nugget, polished and embedded in epoxy Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Pyrite (16) ] | ||||||||||
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Ernstite RRUFF ID: R141205 |
Ideal Chemistry: (Mn2+,Fe3+)AlPO4(OH,O)2 |
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Locality: Source: Smithsonian 145620 Owner: Smithsonian Description: Type sample Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Childrenite (12) ] | ||||||||||
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Erythrite RRUFF ID: R050073 |
Ideal Chemistry: Co2+3(As5+O4)2·8H2O |
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Locality: Bou Azzer, Morocco Source: Rock Currier Owner: RRUFF Description: Crimson flattened crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Vivianite (17) ] | ||||||||||
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Erythrosiderite RRUFF ID: R120084 |
Ideal Chemistry: K2Fe3+Cl5·H2O |
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Locality: Mount Vesuvius, Campania, Italy Source: Robert Jenkins Owner: RRUFF Description: Reddish-yellow unconsolidated grains, associated with yellow or pale yellow salammoniac. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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Eskebornite RRUFF ID: R060791 |
Ideal Chemistry: Cu1+Fe3+Se2-2 |
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Locality: Slavkovice Morava, Czech Republic Source: Michael Scott S101151 Owner: RRUFF Description: Brass colored metallic massive Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Chalcopyrite (6) ] | ||||||||||
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Eskolaite RRUFF ID: R060892 |
Ideal Chemistry: Cr3+2O3 |
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Locality: Outokumpu, Finland Source: Michael Scott S101026 Owner: RRUFF Description: Black submetallic hexagonal prisms Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Corundum (38) ] | ||||||||||
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Esperite RRUFF ID: R060295 |
Ideal Chemistry: Pb2+Ca2(Zn2+SiO4)3 |
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Locality: Parker Shaft, Franklin, Sussex County, New Jersey, USA Source: Michael Scott S100232 Owner: RRUFF Description: Tan colored massive associated with black franklinite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Beryllonite (6) ] | ||||||||||
| Quick search: [ All Esperite samples (2) ] | ||||||||||
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Esperite RRUFF ID: R070512 |
Ideal Chemistry: Pb2+Ca2(Zn2+SiO4)3 |
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Locality: Parker Shaft, Franklin, Sussex County, New Jersey, USA Source: Canadian Museum of Nature LP2006-0222 Owner: RRUFF Description: Greasy white massive, co-type specimen. Structure reported in Tait et al (2010) is from this sample. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Beryllonite (6) ] | ||||||||||
| Quick search: [ All Esperite samples (2) ] | ||||||||||
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Esseneite RRUFF ID: R061123 |
Ideal Chemistry: CaFe3+AlSiO6 |
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Locality: Durham Ranch, South of Gillette, Sublette County, Wyoming, USA Source: Michael Scott S104474 Owner: RRUFF Description: Reddish-brown prismatic crystals associated with gehlenite, R070478 Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ pyroxene (81) ] | ||||||||||
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Ettringite RRUFF ID: R070208 |
Ideal Chemistry: Ca6Al2(S6+O4)3(OH)12·27H2O |
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Locality: Hatrurim Formation, Negev Desert, West of Dead Sea, southern Israel Source: Michael Scott S100454 Owner: RRUFF Description: Canary yellow to colorless prismatic and tabular hexagonal crystals associated with colorless afwillite, R070296. 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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Eucairite RRUFF ID: R060639 |
Ideal Chemistry: CuAgSe |
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Locality: Mina Santa Brigida, Sierra de Famatina, La Rioja, Argentina Source: Michael Scott S100814 Owner: RRUFF Description: Black metallic coarsely crystalline massive Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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Euchlorine RRUFF ID: R070460 |
Ideal Chemistry: KNaCu2+3O(S6+O4)3 |
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Locality: Northern Breakthrough (North Breach), Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia Source: Michael Scott S105976 Owner: RRUFF Description: Bright green massive crystalline coating Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Euchlorine (2) ] | ||||||||||
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Euchroite RRUFF ID: R050579 |
Ideal Chemistry: Cu2+2As5+O4(OH)·3H2O |
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Locality: Lubietova, Banskobystricky, Slovakia Source: University of Arizona Mineral Museum 284 Owner: RRUFF Description: Green prismatic crystal Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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Euclase RRUFF ID: R050032 |
Ideal Chemistry: BeAlSiO4(OH) |
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Locality: Minas Gerais, Brazil Source: University of Arizona Mineral Museum 13802 Owner: RRUFF Description: Colorless crystal fragments Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Euclase samples (4) ] | ||||||||||
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Euclase RRUFF ID: X050075 |
Ideal Chemistry: BeAlSiO4(OH) |
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Locality: Minas Gerais, Brazil Source: RD Shannon 56163- 14 Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Quick search: [ All Euclase samples (4) ] | ||||||||||
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Euclase RRUFF ID: R050623 |
Ideal Chemistry: BeAlSiO4(OH) |
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Locality: Minas Gerais, Brazil Source: Gemmological Center Owner: RRUFF Description: Colorless flattened prismatic crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Euclase samples (4) ] | ||||||||||
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Euclase RRUFF ID: R100157 |
Ideal Chemistry: BeAlSiO4(OH) |
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Locality: Unknown Source: William W. Pinch Owner: RRUFF Description: Blue cut gemstone Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Euclase samples (4) ] | ||||||||||
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Eucryptite RRUFF ID: R070248 |
Ideal Chemistry: LiAlSiO4 |
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Locality: Bikita, Masvingo (Fort Victoria), Masvingo District, Mashonaland West, Zimbabwe Source: Michael Scott S104487 Owner: RRUFF Description: Colorless vitreous massive fragments Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Phenakite (8) ] | ||||||||||
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Eudialyte RRUFF ID: R050230 |
Ideal Chemistry: Na15Ca6Fe2+3Zr4+3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2 |
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Locality: Kipawa alkaline complex, near Sheffield Lake, Villedieu Township, Temiscamingue County, Quebec, Canada Source: Marcus Origlieri Owner: RRUFF Description: Massive aggregate of red crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ eudialyte (13) ] | ||||||||||
| Quick search: [ All Eudialyte samples (3) ] | ||||||||||
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Eudialyte RRUFF ID: R060035 |
Ideal Chemistry: Na15Ca6Fe2+3Zr4+3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2 |
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Locality: Chibini, Kola Peninsula, Russia Source: University of Arizona Mineral Museum 9530 Owner: RRUFF Description: Deep pink coarsely crystalline Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ eudialyte (13) ] | ||||||||||
| Quick search: [ All Eudialyte samples (3) ] | ||||||||||
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Eudialyte RRUFF ID: R060206 |
Ideal Chemistry: Na15Ca6Fe2+3Zr4+3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2 |
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Locality: Desourdy Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada Source: Royal Ontario Museum M27116 Owner: RRUFF Description: Yellowish-brown gemmy fragment Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ eudialyte (13) ] | ||||||||||
| Quick search: [ All Eudialyte samples (3) ] | ||||||||||
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Eudidymite RRUFF ID: R060063 |
Ideal Chemistry: Na2Be2Si6O15·H2O |
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Locality: Langesundfjord, Norway Source: University of Arizona Mineral Museum 2909 Owner: RRUFF Description: Colorless crystal fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Eudidymite samples (2) ] | ||||||||||
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Eudidymite RRUFF ID: R060383 |
Ideal Chemistry: Na2Be2Si6O15·H2O |
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Locality: Mount Malosa, Zomba District, Malawi Source: Herb Obodda 046 Owner: RRUFF Description: Colorless to tan micaceous book Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Eudidymite samples (2) ] | ||||||||||
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Eulytine RRUFF ID: R060058 |
Ideal Chemistry: Bi3+4(SiO4)3 |
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Locality: Schneeberg, Saxony, Germany Source: University of Arizona Mineral Museum 16129 Owner: RRUFF Description: Pale-yellow interpenetrant tetrahedral crystals; some transmitting red color of matrix Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Eulytine samples (2) ] | ||||||||||
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Eulytine RRUFF ID: R130114 |
Ideal Chemistry: Bi3+4(SiO4)3 |
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Locality: Flying Saucer Group, Maricopa County, Arizona Source: Mark Ascher Owner: RRUFF Description: White or colorless octahedra, associated with R130113 kettnerite, green mottramite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Eulytine samples (2) ] | ||||||||||
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Eurekadumpite RRUFF ID: R100039 |
Ideal Chemistry: (Cu2+,Zn2+)16(Te4+O3)2(As5+O4)3Cl(OH)18·7H2O |
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Locality: Centennial Eureka mine, Juab County, Utah, USA Source: Jeff Weissman Owner: RRUFF Description: Spheres of radiating blue acicular crystals 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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Euxenite-(Y) RRUFF ID: R060856 |
Ideal Chemistry: Y(Nb5+Ti4+)O6 |
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Locality: Betafo, Madagascar Source: Michael Scott S101012 Owner: RRUFF Description: Black glassy submetallic metamict, confirmed by X-ray diffraction after heating, R080101 Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Group: [ Columbite (32) ] | ||||||||||
| Quick search: [ All Euxenite-(Y) samples (3) ] | ||||||||||
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Euxenite-(Y) RRUFF ID: R070324 |
Ideal Chemistry: Y(Nb5+Ti4+)O6 |
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Locality: Impilahti Parish, Lake Ladoga region, Russia Source: James Shigley Owner: RRUFF Description: Vitreous amorphous dark brown massive Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Columbite (32) ] | ||||||||||
| Quick search: [ All Euxenite-(Y) samples (3) ] | ||||||||||
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Euxenite-(Y) RRUFF ID: R080101 |
Ideal Chemistry: Y(Nb5+Ti4+)O6 |
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Locality: Betafo, Madagascar Source: Michael Scott S101012 Owner: RRUFF Description: Khaki colored fragment from metamict sample R060856, after heating at T = 1000 C for 24 hours Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Group: [ Columbite (32) ] | ||||||||||
| Quick search: [ All Euxenite-(Y) samples (3) ] | ||||||||||
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Evanichite RRUFF ID: R220006 |
Ideal Chemistry: Pb2+6Cr3+(Cr6+O4)2(S6+O4)(OH)7FCl |
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Locality: Mammoth-Saint Anthony mine, Tiger, Pinal Co., Arizona, USA Source: Daniel Evanich Owner: Daniel Evanich Description: A single group of subparallel orange-brown crystals. Associated with quartz, georgerobinsonite, bobmeyerite, pinalite, diaboleite, boleite, leadhillite, caledonite, and cerussite. 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: [ Not in a structural group (133) ] | ||||||||||
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Evansite RRUFF ID: R061030 |
Ideal Chemistry: Al3PO4(OH)6·8H2O |
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Locality: Creu Olorde, Barcelona, Spain Source: Michael Scott S101244 Owner: RRUFF Description: Colorless to very pale blue transparent botryoidal crust. Sample is amorphous to X-rays. Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Amorphous (18) ] | ||||||||||
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Eveite RRUFF ID: R100048 |
Ideal Chemistry: Mn2+2As5+O4(OH) |
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Locality: Langban, Filipstad, Varmland, Sweden Source: William W Pinch Owner: RRUFF Description: Groups of very pale green (gray) crystals associated with pink akrochordite, R100028, and colorless barite, co-type (Flink 32/22). Used for structure refinement in Yang et al (2011) Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Andalusite (17) ] | ||||||||||
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Ezcurrite RRUFF ID: R060645 |
Ideal Chemistry: Na2B5O7(OH)3·2H2O |
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Locality: Salar del Hombre Muerto, Catamarca, Argentina Source: Michael Scott S100818 Owner: RRUFF Description: Colorless prismatic fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Ezcurrite samples (2) ] | ||||||||||
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Ezcurrite RRUFF ID: C131036 |
Ideal Chemistry: Na2B5O7(OH)3·2H2O |
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Locality: Tincalayu mine, Salar Del Hombre Muerto, Salta, Argentina Source: Rock Currier Owner: UAMM Description: Essentially pure vitreous clear xlne mass with subparallel structure. Status: unconfirmed |
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| Quick search: [ All Ezcurrite samples (2) ] | ||||||||||
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Eztlite RRUFF ID: R130488 |
Ideal Chemistry: Pb2+2Fe3+3(Te4+O3)3(S6+O4)O2Cl |
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Locality: Moctezuma, Sonora, Mexico Source: Rock Currier Owner: RRUFF Description: Status: unconfirmed |
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Faheyite RRUFF ID: R100084 |
Ideal Chemistry: Be2Mn2+Fe3+2(PO4)4·6H2O |
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Locality: Sapucaia mine, Galiléia, Minas Gerais, Brazil Source: Royal Ontaario Museum M56011 Owner: RRUFF Description: Parallel aggregates of white fibrous acicular crystals associated with muscovite Status: The identification of this mineral is not yet confirmed. |
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Fairbankite RRUFF ID: R140375 |
Ideal Chemistry: Pb2+12(Te4+O3)11(S6+O4) |
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Locality: Near Tombstone, Tombstone District, Tombstone Hills, Cochise County, Arizona, USA Source: Rock Currier Owner: RRUFF Description: Vitreous-clear tabular crystals, associated with cerussite. Status: unconfirmed |
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Fairfieldite RRUFF ID: R050539 |
Ideal Chemistry: Ca2Mn2+(PO4)2·2H2O |
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Locality: Foote mine, Kings Mountain, Cleveland County, North Carolina, USA Source: University of Arizona Mineral Museum 9329 Owner: RRUFF Description: Transparent tabular crystals associated with fluorapatite Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ fairfieldite (16) ] | ||||||||||
| Quick search: [ All Fairfieldite samples (2) ] | ||||||||||
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Fairfieldite RRUFF ID: R070630 |
Ideal Chemistry: Ca2Mn2+(PO4)2·2H2O |
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Locality: Tip Top mine, Custer County, South Dakota, USA Source: Dakota Matrix Minerals Owner: RRUFF Description: Transparent white to colorless lamellar and massive crystals associated with whitlockite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ fairfieldite (16) ] | ||||||||||
| Quick search: [ All Fairfieldite samples (2) ] | ||||||||||
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Faizievite RRUFF ID: R070221 |
Ideal Chemistry: Li6K2Na(Ca6Na)Ti4+4(Si6O18)2(Si12O30)F2 |
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Locality: Dara-i-Pioz Glacier, Alayskiy (Alai) Range, Tien Shan Mts, Districts of the Republican Subordination, Tajikistan Source: Michael Scott S100427 Owner: RRUFF Description: Pale brownish yellow massive associated with quartz Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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Famatinite RRUFF ID: R110021 |
Ideal Chemistry: Cu1+Cu2+2Sb3+S2-4 |
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Locality: Mohawk mine, Goldfield, Esmeralda County, Nevada, USA Source: William Pinch Owner: RRUFF Description: Pinkish grey, metallic massive associated with dark grey metallic massive to granular goldfieldite, R110023 Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Groups: [ Stannite (11) ] [ Sphalerite (35) ] | ||||||||||
| Quick search: [ All Famatinite samples (2) ] | ||||||||||
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Famatinite RRUFF ID: R110022 |
Ideal Chemistry: Cu1+Cu2+2Sb3+S2-4 |
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Locality: Quiruvilca, La Libertad Department, Peru Source: William Pinch Owner: RRUFF Description: Pinkish grey metallic massive associated with black metallic tetrahedral tennantite R110024 on pyrite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Groups: [ Stannite (11) ] [ Sphalerite (35) ] | ||||||||||
| Quick search: [ All Famatinite samples (2) ] | ||||||||||
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Farringtonite RRUFF ID: R130127 |
Ideal Chemistry: Mg3(PO4)2 |
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Locality: Springwater meteorite, Springwater, Canada Source: Rock Currier Owner: RRUFF Description: Pale yellow transparent fragment, embedded in a polished epoxy mount Status: The identification of this mineral is not yet confirmed. |
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Faujasite-Ca RRUFF ID: R070462 |
Ideal Chemistry: (Ca,Na,Mg)2(Si,Al)12O24·15H2O |
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Locality: Table Mountain, San Bernardino County, California, USA Source: Michael Scott S104917 Owner: RRUFF Description: Isolated colorless octahedra in basalt vesicules, associated with spherical aggregates of colorless phillipsite-Ca Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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Faujasite-Mg RRUFF ID: R080141 |
Ideal Chemistry: (Mg,Na,K,Ca)2(Si,Al)12O24·15H2O |
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Locality: Limburg Quarries, Sasbach, Kaiserstuhl, Baden-Wurttemberg, Germany Source: James Shigley Owner: RRUFF Description: Colorless octahedra in basalt vesicles Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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Faustite RRUFF ID: R060891 |
Ideal Chemistry: Zn2+Al6(PO4)4(OH)8·4H2O |
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Locality: Bingham Copper mine, Salt Lake County, Utah Source: Michael Scott S101025 Owner: RRUFF Description: Aggregate of pale green spheres Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ turquoise (9) ] | ||||||||||
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Fayalite RRUFF ID: X050076 |
Ideal Chemistry: Fe2+2SiO4 |
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Locality: Source: RD Shannon 62047- 8 Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ Olivine (61) ] | ||||||||||
| Quick search: [ All Fayalite samples (8) ] | ||||||||||
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Fayalite RRUFF ID: X050077 |
Ideal Chemistry: Fe2+2SiO4 |
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Locality: synthetic Source: G.R. Rossman 618 Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ Olivine (61) ] | ||||||||||
| Quick search: [ All Fayalite samples (8) ] | ||||||||||
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Fayalite RRUFF ID: R070157 |
Ideal Chemistry: Fe2+2SiO4 |
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Locality: Coso Hot Springs, Inyo County, California, USA Source: James Shigley Owner: RRUFF Description: Brown transparent tabular crystals associated with fine grained quartz Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Olivine (61) ] | ||||||||||
| Quick search: [ All Fayalite samples (8) ] | ||||||||||
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Fayalite RRUFF ID: R070374 |
Ideal Chemistry: Fe2+2SiO4 |
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Locality: Little Lake, Lake County, California, USA Source: Michael Scott S104909 Owner: RRUFF Description: Large dark brown crystal fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Olivine (61) ] | ||||||||||
| Quick search: [ All Fayalite samples (8) ] | ||||||||||
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Fayalite RRUFF ID: R070293 |
Ideal Chemistry: Fe2+2SiO4 |
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Locality: Pike's Peak, Teller County, Colorado, USA Source: Michael Scott S106013 Owner: RRUFF Description: Black single crystal fragment with internal hints of red and green Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Olivine (61) ] | ||||||||||
| Quick search: [ All Fayalite samples (8) ] | ||||||||||
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Fayalite RRUFF ID: R100102 |
Ideal Chemistry: Fe2+2SiO4 |
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Locality: Bushveld Intrusive, 7 km east of Olepane, Limpopo Province, South Africa Source: American Museum of Natural History B06-045 Owner: RRUFF Description: Pale brown fragments, variety hortonolite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Olivine (61) ] | ||||||||||
| Quick search: [ All Fayalite samples (8) ] | ||||||||||
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Fayalite RRUFF ID: R100103 |
Ideal Chemistry: Fe2+2SiO4 |
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Locality: Franklin, Sussex County, New Jersey, USA Source: American Museum of Natural History 89035 Owner: RRUFF Description: Dark brown fragment Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Olivine (61) ] | ||||||||||
| Quick search: [ All Fayalite samples (8) ] | ||||||||||
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Fayalite RRUFF ID: R100104 |
Ideal Chemistry: Fe2+2SiO4 |
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Locality: Dannemora, Uppsala Province, Sweden Source: American Museum of Natural History 75253 Owner: RRUFF Description: Dark brown fragment, variety knebelite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Olivine (61) ] | ||||||||||
| Quick search: [ All Fayalite samples (8) ] | ||||||||||
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Fe2SiO4 spinel RRUFF ID: X050109 |
Ideal Chemistry: Fe2SiO4 |
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Locality: Synthesized by Takehiko Yagi in 1974 at the Institute for Solid State Physics, Tokyo University Source: G.R. Rossman 471 Owner: Caltech Description: small single crystal Status: The identification of this mineral has been determined only by Raman spectroscopy |
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Fedotovite RRUFF ID: R070470 |
Ideal Chemistry: K2Cu2+3O(S6+O4)3 |
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Locality: Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia Source: Michael Scott S105017 Owner: RRUFF Description: Emerald-green prismatic crystals Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Euchlorine (2) ] | ||||||||||
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Feklichevite RRUFF ID: R120046 |
Ideal Chemistry: Na11Ca9(Fe3+,Fe2+)2Zr4+3Nb5+(Si25O73)(OH,H2O,Cl,O)5 |
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Locality: Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Source: Donald Doell Owner: RRUFF Description: Massive reddish-brown crystals, associated with orthoclase Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ eudialyte (13) ] | ||||||||||
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Felsőbányaite RRUFF ID: R060239 |
Ideal Chemistry: Al4(S6+O4)(OH)10·4H2O |
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Locality: El Dragon mine, Potosi, Bolivia Source: Michael Scott S100241 Owner: RRUFF Description: White, massive powder associated with light blue chalcomenite. Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Quick search: [ All Felsőbányaite samples (2) ] | ||||||||||
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Felsőbányaite RRUFF ID: R060565 |
Ideal Chemistry: Al4(S6+O4)(OH)10·4H2O |
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Locality: near Weymouth, Dorset, England Source: Michael Scott S100318 Owner: RRUFF Description: White consolidated powder Status: The identification of this mineral has been made only by X-ray diffraction. |
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| Quick search: [ All Felsőbányaite samples (2) ] | ||||||||||
)
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Fenaksite RRUFF ID: R080135 |
Ideal Chemistry: KNaFe2+Si4O10 |
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Locality: Yukspor Mountain, Khibiny Massif, Kola Peninsula, Russia Source: Michael Scott S105088 Owner: RRUFF Description: Light yellow, transparent, elongated prismatic to platy crystals, associated with dark gray to colorless delhayelite (R070096), brown lamprophyllite, elongated blue aegerine, and grayish brown lomonosovite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Litidionite (3) ] | ||||||||||
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Fencooperite RRUFF ID: R061032 |
Ideal Chemistry: Ba6Fe3+3Si8O23(CO3)2Cl3·H2O |
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Locality: Trumbull Peak, Mariposa County, California, USA Source: Michael Scott S101302 Owner: RRUFF Description: Dark gray massive embedded in quartz with reddish-orange halo around the grains Status: The identification of this mineral is not yet confirmed. |
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Ferberite RRUFF ID: R040044 |
Ideal Chemistry: Fe2+W6+O4 |
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Locality: Chocote, Bolivia Source: University of Arizona Mineral Museum 2033 Owner: RRUFF Description: Black tabular single crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Columbite (32) ] | ||||||||||
| Quick search: [ All Ferberite samples (3) ] | ||||||||||
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Ferberite RRUFF ID: R050090 |
Ideal Chemistry: Fe2+W6+O4 |
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Locality: Yaogangxian mine, Cheng Zhu City, South Hunan, China Source: Rock Currier Owner: RRUFF Description: Dark gray tabular crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Columbite (32) ] | ||||||||||
| Quick search: [ All Ferberite samples (3) ] | ||||||||||
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Ferberite RRUFF ID: R050632 |
Ideal Chemistry: Fe2+W6+O4 |
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Locality: Chance mine, Boulder, Colorado, USA Source: University of Arizona Mineral Museum 15596 Owner: RRUFF Description: Dark brown rectangular prismatic crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Columbite (32) ] | ||||||||||
| Quick search: [ All Ferberite samples (3) ] | ||||||||||
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Fergusonite-(Ce) RRUFF ID: R110050 |
Ideal Chemistry: Ce3+Nb5+O4·0.3H2O |
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Locality: Mount Malosa, Zomba District, Malawi Source: Donald M Doell Owner: RRUFF Description: Brown prismatic crystals on microcline, associated with zircon Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Scheelite (17) ] | ||||||||||
)
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Fernandinite RRUFF ID: R070694 |
Ideal Chemistry: (Ca,Na,K)0.9(V5+,V4+,Fe2+,Ti4+)8O20·4H2O |
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Locality: Ragra mine, Junin, Cerro de Pasco, Pasco, Peru Source: James Shigley Owner: RRUFF Description: Yellowish green to dark green submetallic granules (some platy) Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Straczekite (5) ] | ||||||||||
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Ferri-kaersutite RRUFF ID: R150047 |
Ideal Chemistry: NaCa2(Mg3Fe3+Ti4+)(Si6Al2)O22O2 |
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Locality: Rothenberg quarry, Mendig, Eifel, Germany Source: Donald Doell Owner: RRUFF Description: Brown prismatic crystals associated with black hematite, colorless anorthite, and yellow diopside Status: The identification of this mineral is not yet confirmed. |
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| Mineral Groups: [ amphibole (107) ] [ amphiboles sodic-calcic (1) ] | ||||||||||
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Ferri-pedrizite RRUFF ID: R070344 |
Ideal Chemistry: NaLi2[Fe3+2Mg2Li]Si8O22(OH)2 |
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Locality: east Pedriza Massif, Sierra de Guadarrama, Spain Source: Michael Scott S105090 Owner: RRUFF Description: Black bladed crystals Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Groups: [ amphibole (107) ] [ amphiboles Na-Ca-Mg-Fe-Mn-Li (1) ] | ||||||||||
)
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Ferri-winchite RRUFF ID: R060038 |
Ideal Chemistry: ◻NaCa(Mg4Fe3+)Si8O22(OH)2 |
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Locality: Imerina, Madagascar Source: University of Arizona Mineral Museum 17021 Owner: RRUFF Description: Deep black-blue bladed single crystals embedded in dolomite 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 Ferri-winchite samples (2) ] | ||||||||||
)
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Ferri-winchite RRUFF ID: R060704 |
Ideal Chemistry: ◻NaCa(Mg4Fe3+)Si8O22(OH)2 |
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Locality: Tirodi mines, Central Provinces, India Source: Michael Scott S101226 Owner: RRUFF Description: Matted group of tan colored bladed crystals, associated with an even more Fe-rich ferri-winchite 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 Ferri-winchite samples (2) ] | ||||||||||
)
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Ferriallanite-(Ce) RRUFF ID: R060813 |
Ideal Chemistry: CaCe3+Fe2+Fe3+Al(SiO4)(Si2O7)O(OH) |
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Locality: Bastnas, Sweden Source: Michael Scott S101160 Owner: RRUFF Description: Black glassy massive associated with green brochantite and blue osarizawaite Status: The identification of this mineral is not yet confirmed. |
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| Mineral Groups: [ allanite (7) ] [ epidote (31) ] | ||||||||||
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Ferriallanite-(La) RRUFF ID: R141069 |
Ideal Chemistry: CaLa3+(Fe3+AlFe2+)(SiO4)(Si2O7)O(OH) |
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Locality: In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany Source: Ch. and H. Schäfer Owner: RRUFF Description: Black tabular crystals embedded in matrix, associated with sanidine, magnetite and cancrinite. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Groups: [ allanite (7) ] [ epidote (31) ] | ||||||||||
)
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Ferricopiapite RRUFF ID: R060721 |
Ideal Chemistry: Fe3+2/3Fe3+4(S6+O4)6(OH)2·20H2O |
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Locality: Alcaparrosa mine, near Cerritos Bayos, El Loa Province, Chile Source: University of Arizona Mineral Museum 8033 Owner: RRUFF Description: Yellow platy crystals associated with parabutlerite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Copiapite (4) ] | ||||||||||
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Ferrierite-K RRUFF ID: R110200 |
Ideal Chemistry: (K,Na)5(Si31Al5)O72·18H2O |
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Locality: Conejo Volcanics, Agoura, Santa Monica Mountains, Los Angeles County, California, USA Source: Donald Doell Owner: RRUFF Description: Radial aggregates of acicular colorless crystals associated with clinoptilolite-K R110201 Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Ferrierite (5) ] | ||||||||||
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Ferrierite-Mg RRUFF ID: R060982 |
Ideal Chemistry: [Mg2(K,Na)2Ca0.5](Si29Al7)O72·18H2O |
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Locality: Monte Lake, British Columbia, Canada Source: Bob Jenkins Owner: RRUFF Description: Orange lath shaped crystals in radial aggregates associated with white calcite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Ferrierite (5) ] | ||||||||||
| Quick search: [ All Ferrierite-Mg samples (4) ] | ||||||||||
)
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Ferrierite-Mg RRUFF ID: R070091 |
Ideal Chemistry: [Mg2(K,Na)2Ca0.5](Si29Al7)O72·18H2O |
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Locality: Kamloops Lake, British Columbia, Canada Source: Michael Scott S104861 Owner: RRUFF Description: White acicular crystal in radial hemispheres and lining a cavity associated with quartz Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Ferrierite (5) ] | ||||||||||
| Quick search: [ All Ferrierite-Mg samples (4) ] | ||||||||||
)
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Ferrierite-Mg RRUFF ID: R070119 |
Ideal Chemistry: [Mg2(K,Na)2Ca0.5](Si29Al7)O72·18H2O |
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Locality: Libous, Chomutov, Ústí Region, Bohemia (Böhmen; Boehmen), Czech Republic Source: Michael Scott S100411 Owner: RRUFF Description: Radiating aggregate of tan colored fibrous crystals associated with calcite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Ferrierite (5) ] | ||||||||||
| Quick search: [ All Ferrierite-Mg samples (4) ] | ||||||||||
)
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Ferrierite-Mg RRUFF ID: R070118 |
Ideal Chemistry: [Mg2(K,Na)2Ca0.5](Si29Al7)O72·18H2O |
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Locality: Monastir, near Cagliari, Sardinia, Italy Source: Michael Scott S100412 Owner: RRUFF Description: Pale tan colored fibrous radiating crystals associated with hematite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Ferrierite (5) ] | ||||||||||
| Quick search: [ All Ferrierite-Mg samples (4) ] | ||||||||||
)
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Ferrilotharmeyerite RRUFF ID: R060209 |
Ideal Chemistry: CaZn2+Fe3+(As5+O4)2(OH)·H2O |
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Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia Source: William W. Pinch Owner: RRUFF Description: Yellowish-green rectangular prisms Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Natrochalcite (13) ] | ||||||||||
)
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Ferrimolybdite RRUFF ID: R050566 |
Ideal Chemistry: Fe3+2(Mo6+O4)3·7H2O |
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Locality: Kingman, Arizona, USA Source: University of Arizona Mineral Museum 3610 Owner: RRUFF Description: Yellow fibrous aggregate Status: The identification of this mineral has been confirmed only by chemical analysis |
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| Quick search: [ All Ferrimolybdite samples (2) ] | ||||||||||
)
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Ferrimolybdite RRUFF ID: R050542 |
Ideal Chemistry: Fe3+2(Mo6+O4)3·7H2O |
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Locality: Alicante mine, Colorado, USA Source: University of Arizona Mineral Museum 1774 Owner: RRUFF Description: Mat of parallel fibrous yellow-green crystals Status: The identification of this mineral has been confirmed only by chemical analysis |
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| Quick search: [ All Ferrimolybdite samples (2) ] | ||||||||||
)
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Ferrinatrite RRUFF ID: R170042 |
Ideal Chemistry: Na3Fe3+(S6+O4)3·3H2O |
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Locality: Alcaparrosa, Antofogasta, Chile Source: James Shigley Owner: RRUFF Description: Colorless acicular crystals, associated with colorless tabular rhomboclase (R070507) and pale yellow-brown römerite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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)
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Ferrisurite RRUFF ID: R060055 |
Ideal Chemistry: Pb2+2.4Fe3+2Si4O10(CO3)1.7(OH)3·nH2O |
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Locality: Shirley Ann Claim, Death Valley National Monument, Inyo County, California, USA Source: Marcus Origlieri Owner: RRUFF Description: Radial aggregates of green acicular crystals Status: The identification of this mineral is not yet confirmed. |
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)
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Ferro-actinolite RRUFF ID: R060189 |
Ideal Chemistry: ◻Ca2Mg2.5-0Fe2+2.5-5Si8O22(OH)2 |
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Locality: Merry Widow mine, Vancouver Island, British Columbia, Canada Source: Lloyd Twaites Owner: RRUFF Description: Parallel aggregate of green fibers Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ amphibole (107) ] | ||||||||||
)
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Ferro-edenite RRUFF ID: R060044 |
Ideal Chemistry: NaCa2Fe2+5(Si7Al)O22(OH)2 |
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Locality: Barkevik, Norway Source: University of Arizona Mineral Museum 13355 Owner: RRUFF Description: Black cleavage fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ amphibole (107) ] | ||||||||||
)
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Ferro-ferri-fluoro-leakeite RRUFF ID: R070468 |
Ideal Chemistry: NaNa2(Fe2+2Fe3+2Li)Si8O22F2 |
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Locality: Questa, Taos County, New Mexico, USA Source: Michael Scott S100582 Owner: RRUFF Description: Unconsolidated dark blue to black grains, co-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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Ferro-ferri-hornblende RRUFF ID: R170006 |
Ideal Chemistry: ◻Ca2(Fe2+4Fe3+)(Si7Al)O22(OH)2 |
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Locality: Miniera di Traversella, Ivrea, Torino, Piedmont, Italy Source: Renato and Adriana Pagano Owner: RRUFF Description: Aggregates of dark green acicular or lamellar crystals embedded in a matrix of fibrous to acicular tremolite with minor quartz and calcite Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ amphibole (107) ] | ||||||||||
)
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Ferro-gedrite RRUFF ID: R060330 |
Ideal Chemistry: ◻Fe2+2(Fe2+3Al2)(Si6Al2)O22(OH)2 |
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Locality: Kawai mine, Ena City, Gifu Prefecture, Japan Source: Michael Scott S100310 Owner: RRUFF Description: Aggregate of greenish black bladed crystals 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 Ferro-gedrite samples (2) ] | ||||||||||
)
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Ferro-gedrite RRUFF ID: R070531 |
Ideal Chemistry: ◻Fe2+2(Fe2+3Al2)(Si6Al2)O22(OH)2 |
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Locality: Ludvika, Dalarna District, Kopparberg, Sweden Source: James Shigley Owner: RRUFF Description: Flattened black prismatic crystals in semi-sheaflike aggregates, associated with quartz 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 Ferro-gedrite samples (2) ] | ||||||||||
)
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Ferro-holmquistite RRUFF ID: R070005 |
Ideal Chemistry: ◻Li2(Fe2+3Al2)Si8O22(OH)2 |
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Locality: Mount Marrion, South Australia, Australia Source: Michael Scott S101201 Owner: RRUFF Description: Dark blue fractured prismatic crystals 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) ] | ||||||||||
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