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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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Graphite RRUFF ID: R090047 |
Ideal Chemistry: C |
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Locality: Merelani, Tanzania Source: Wendell Wilson Owner: RRUFF Description: Silver gray platelets associated with diopside, R090046 Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Graphite samples (3) ] | ||||||||||
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Graphite RRUFF ID: R120025 |
Ideal Chemistry: C |
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Locality: Saint-Sauveur Graphite occurrence, Saint-Sauveur, Les Pays-d'en-Haut RCM, Laurentides, Québec, Canada Source: Donald Doell Owner: RRUFF Description: Semi-metallic, dark gray flakes Status: The identification of this mineral is not yet confirmed. |
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| Quick search: [ All Graphite samples (3) ] | ||||||||||
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Gratonite RRUFF ID: R050365 |
Ideal Chemistry: Pb2+9As3+4S2-15 |
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Locality: Cerro de Pasco, Peru Source: University of Arizona Mineral Museum 10998 Owner: RRUFF Description: Dark lead gray aggregate, including single crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Gratonite samples (2) ] | ||||||||||
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Gratonite RRUFF ID: R060956 |
Ideal Chemistry: Pb2+9As3+4S2-15 |
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Locality: Rio Tinto mine, Rio Tinto, Huelva Province, Spain Source: Bob Jenkins Owner: RRUFF Description: Dark-gray metallic elongated prismatic trigonal crystals Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Gratonite samples (2) ] | ||||||||||
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Gravegliaite RRUFF ID: R210022 |
Ideal Chemistry: Mn2+S4+O3·3H2O |
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Locality: Gambatesa Mine, Graveglia Valley, Genova Province, Liguria, Italy Source: Michael Scott S104418 Owner: RRUFF Description: Brownish prismatic crystals, associated with braunite. Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Group: [ Gravegliaite (2) ] | ||||||||||
| Quick search: [ All Gravegliaite samples (2) ] | ||||||||||
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Gravegliaite RRUFF ID: R130676 |
Ideal Chemistry: Mn2+S4+O3·3H2O |
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Locality: Valgraveglia mine, Reppia, Graveglia Valley, Ne, Genova Province, Liguria, Italy Source: Rock Currier Owner: RRUFF Description: Grey-brown prismatic crystals. Glassy micro. Author's studied material. Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Group: [ Gravegliaite (2) ] | ||||||||||
| Quick search: [ All Gravegliaite samples (2) ] | ||||||||||
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Greenockite RRUFF ID: R060091 |
Ideal Chemistry: Cd2+S2- |
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Locality: Mono County, California, USA Source: University of Arizona Mineral Museum 3396 Owner: RRUFF Description: Yellowish-orange earthy coating Status: The identification of this mineral has been confirmed only by chemical analysis |
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| Mineral Group: [ Wurtzite (20) ] | ||||||||||
| Quick search: [ All Greenockite samples (4) ] | ||||||||||
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Greenockite RRUFF ID: R060110 |
Ideal Chemistry: Cd2+S2- |
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Locality: San Juan mine, Dragoon Mountains, Cochise County, Arizona, USA Source: University of Arizona Mineral Museum 14972 Owner: RRUFF Description: Yellow earthy coating Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Wurtzite (20) ] | ||||||||||
| Quick search: [ All Greenockite samples (4) ] | ||||||||||
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Greenockite RRUFF ID: R070017 |
Ideal Chemistry: Cd2+S2- |
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Locality: Siglo XX Mine, Llallagua, Potosi Department, Bolivia Source: Mark Mauthner 1630 Owner: RRUFF Description: Hexagonal tabular brick-red crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Wurtzite (20) ] | ||||||||||
| Quick search: [ All Greenockite samples (4) ] | ||||||||||
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Greenockite RRUFF ID: R090045 |
Ideal Chemistry: Cd2+S2- |
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Locality: Synthetic Source: Carl Ingerson via UAMM Owner: RRUFF Description: Red and yellow bundles of bladed crystals Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Group: [ Wurtzite (20) ] | ||||||||||
| Quick search: [ All Greenockite samples (4) ] | ||||||||||
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Greifensteinite RRUFF ID: R060588 |
Ideal Chemistry: Ca2Fe2+5Be4(PO4)6(OH)4·6H2O |
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Locality: João Teodoro mine, Linópolis district, Divino das Laranjeiras, Minas Gerais, Brazil Source: Michael Scott S100786 Owner: RRUFF Description: Light brown elongated prismatic crystals, associated with dark-brown prismatic childrenite (R140428), radiating green gormanite (R080075), and white fine-grained leucophosphite. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ roscherite (9) ] | ||||||||||
| Quick search: [ All Greifensteinite samples (3) ] | ||||||||||
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Greifensteinite RRUFF ID: R070613 |
Ideal Chemistry: Ca2Fe2+5Be4(PO4)6(OH)4·6H2O |
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Locality: Tip Top mine, Custer County, South Dakota, USA Source: Dakota Matrix Minerals Owner: RRUFF Description: Darker orange-brown blebs in pale salmon colored montgomeryite, associated with tiptopite (R070609) Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ roscherite (9) ] | ||||||||||
| Quick search: [ All Greifensteinite samples (3) ] | ||||||||||
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Greifensteinite RRUFF ID: R100221 |
Ideal Chemistry: Ca2Fe2+5Be4(PO4)6(OH)4·6H2O |
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Locality: Xanda mine, Virgem da Lapa, Minas Gerais, Brazil Source: Luiz Menezes Owner: RRUFF Description: Rosettes of green platy crystals on microcline and muscovite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ roscherite (9) ] | ||||||||||
| Quick search: [ All Greifensteinite samples (3) ] | ||||||||||
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Greigite RRUFF ID: R120103 |
Ideal Chemistry: Fe2+Fe3+2S4 |
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Locality: Alacrán mine, Pampa Larga district, Tiara Maria, Copiapó, Chile Source: Bob Jenkins Owner: RRUFF Description: Druse of metallic, bronze-colored octahedra Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Spinel (66) ] | ||||||||||
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Griceite RRUFF ID: R070436 |
Ideal Chemistry: LiF |
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Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville County, Québec, Canada Source: Michael Scott S104425 Owner: RRUFF Description: White (fluoresces yellow under SW) crystals associated with pectolite (R070607), villiaumite, sodalite, microcline and black aegirine Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Rocksalt (18) ] | ||||||||||
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Grimselite RRUFF ID: R141028 |
Ideal Chemistry: K3Na(U6+O2)(CO3)3·H2O |
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Locality: Rovnost Mine, Jáchymov, Krušné Hory Mts, Karlovy Vary, Bohemia, Czech Republic Source: William W. Pinch Owner: RRUFF Description: Radial aggregate of light or greenish yellow bladed crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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Griphite RRUFF ID: R050618 |
Ideal Chemistry: Ca(Mn2+,Na,Li)6Fe2+Al2(PO4)6(F,OH)2 |
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Locality: Pennington County, South Dakota, USA Source: University of Arizona Mineral Museum 7907 Owner: RRUFF Description: Dark brown massive Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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Grischunite RRUFF ID: R130677 |
Ideal Chemistry: NaCa2Mn2+5Fe3+(As5+O4)6·2H2O |
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Locality: Falotta, Tinizong, Oberhalbstein, Grischun, Switzerland Source: Rock Currier Owner: RRUFF Description: Tiny mass of vitreous orange-brown to reddish grains intergrown in altered felspathic-quartz whitish matrix Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Wicksite (3) ] | ||||||||||
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Grossular RRUFF ID: R040065 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: Feng Tien mine, Taiwan Source: University of Arizona Mineral Museum 11764 Owner: RRUFF Description: Orange-brown trapezohedral crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R040066 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: Redding, Connecticut, USA Source: University of Arizona Mineral Museum 7979 Owner: RRUFF Description: Reddish orange coarsely crystalline Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: X060020 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: Laguna de Jaco, Chihuahua, Mexico Source: University of Arizona Mineral Museum 13402 Owner: University of Arizona Mineral Museum Description: Single crystal Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R050081 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: Kayes Region, Mali Source: Rock Currier Owner: RRUFF Description: Dark brown dodecahedron Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R050036 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: Wah Wah Mountains, Utah, USA Source: Eugene Schlepp Owner: RRUFF Description: Colorless single crystal in rhyolite matrix Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R050312 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: Eden Mills mine, Vermont, USA Source: Eugene Schlepp Owner: RRUFF Description: Red crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R060278 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: Diakon, Kayes Region, Mali Source: Herb Obodda 063 Owner: RRUFF Description: Dark brown dodecahedral single crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R060382 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: Lalatema, near Mount Kilimanjaro, Tanzania Source: Herb Obodda 041 Owner: RRUFF Description: Pale tan colored fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R060442 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: Pakistan(?) Source: Gemological Institute of America 29 Owner: RRUFF Description: Orange crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R060443 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: unknown Source: Gemological Institute of America 16 Owner: RRUFF Description: Yellowish tan colored single crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R060444 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: Pakistan (?) Source: Gemological Institute of America 28 Owner: RRUFF Description: Tan colored crystals coating a surface Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R060446 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: Africa Source: Gemological Institute of America 4 Owner: RRUFF Description: Orange fragment. Variety hibschite. Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R060452 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: unknown Source: Gemological Institute of America 5796 Owner: RRUFF Description: Yellowish-brown colored fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R060453 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: unknown Source: Gemological Institute of America 5796 Owner: RRUFF Description: Green colored fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R060499 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: Lake Jaco, Chihuahua, Mexico Source: Michael Scott S100295 Owner: RRUFF Description: Tan colored single dodecahedral crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R070551 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: Mali Source: www.multicolour.com Owner: RRUFF Description: Green gem fragments Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R100146 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: Sri Lanka Source: William W. Pinch Owner: RRUFF Description: Red cut gemstone Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R100152 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: Matara, Sri Lanka Source: William W. Pinch Owner: RRUFF Description: Pale brown cut gemstones Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R100160 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: Kataragama, Sri Lanka Source: William W. Pinch Owner: RRUFF Description: Orange-red cut gemstone Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R100161 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: Kenya Source: William W. Pinch Owner: RRUFF Description: Green gemmy fragments Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Grossular RRUFF ID: R141207 |
Ideal Chemistry: Ca3Al2(SiO4)3 |
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Locality: Katkamsandi, Hazaribagh District, Jharkhand, India Source: Rock Currier Owner: RRUFF Description: Massive, vitreous, dark brown fragment Status: The identification of this mineral has been confirmed only by chemical analysis |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Grossular samples (21) ] | ||||||||||
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Groutite RRUFF ID: R070583 |
Ideal Chemistry: Mn3+O(OH) |
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Locality: Marble Canyon, Gunnison County, Colorado, USA Source: James Shigley Owner: RRUFF Description: Black elongated prismatic Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Diaspore (11) ] | ||||||||||
| Quick search: [ All Groutite samples (2) ] | ||||||||||
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Groutite RRUFF ID: R080004 |
Ideal Chemistry: Mn3+O(OH) |
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Locality: Roberts mine, Crosby, Minnesota, USA Source: Michael Scott S101187 Owner: RRUFF Description: Black crystalline and in some cases striated. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Diaspore (11) ] | ||||||||||
| Quick search: [ All Groutite samples (2) ] | ||||||||||
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Grunerite RRUFF ID: R040150 |
Ideal Chemistry: ◻Fe2+2Fe2+5Si8O22(OH)2 |
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Locality: Smallwood mine, Heath Lake, Newfoundland, Canada Source: University of Arizona Mineral Museum 13760 Owner: RRUFF Description: Brown bladed crystals in parallel aggregate Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ amphibole (107) ] | ||||||||||
| Quick search: [ All Grunerite samples (6) ] | ||||||||||
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Grunerite RRUFF ID: X050095 |
Ideal Chemistry: ◻Fe2+2Fe2+5Si8O22(OH)2 |
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Locality: Mount Write, Mistassini, Quebec, Canada Source: G.R. Rossman 1635 Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ amphibole (107) ] | ||||||||||
| Quick search: [ All Grunerite samples (6) ] | ||||||||||
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Grunerite RRUFF ID: R060062 |
Ideal Chemistry: ◻Fe2+2Fe2+5Si8O22(OH)2 |
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Locality: 2C mine, Broken Hill, New South Wales, Australia Source: University of Arizona Mineral Museum 16157 Owner: RRUFF Description: Aggregate of greenish-brown colored parallel acicular crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ amphibole (107) ] | ||||||||||
| Quick search: [ All Grunerite samples (6) ] | ||||||||||
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Grunerite RRUFF ID: R070204 |
Ideal Chemistry: ◻Fe2+2Fe2+5Si8O22(OH)2 |
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Locality: Penge mine, Transvaal, South Africa Source: California Institute of Technology CIT-9702 Owner: RRUFF Description: Aggregate of tan colored parallel fibers. The Penge mine is the source of UICC standard for amosite Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ amphibole (107) ] | ||||||||||
| Quick search: [ All Grunerite samples (6) ] | ||||||||||
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Grunerite RRUFF ID: R070186 |
Ideal Chemistry: ◻Fe2+2Fe2+5Si8O22(OH)2 |
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Locality: Homestake mine, 3800' level, Lead, Lawrence County, South Dakota, USA Source: California Institute of Technology CIT-6816 Owner: RRUFF Description: Parallel aggregate of brown acicular to fibrous 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) ] | ||||||||||
| Quick search: [ All Grunerite samples (6) ] | ||||||||||
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Grunerite RRUFF ID: R070267 |
Ideal Chemistry: ◻Fe2+2Fe2+5Si8O22(OH)2 |
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Locality: Långfall mine (Saxberg mine), Saxberget ore field, Ludvika, Dalarna, Sweden Source: Michael Scott S101449 Owner: RRUFF Description: Mass of interlocking light to dark brown striated prismatic crystals associated with sphalerite, garnet and arsenopyrite 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 Grunerite samples (6) ] | ||||||||||
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Guanacoite RRUFF ID: R060811 |
Ideal Chemistry: MgCu2+2Mg2(As5+O4)2(OH)4(H2O)4 |
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Locality: Guanaco mine, Tal Tal, Chile Source: Bob Jenkins Owner: RRUFF Description: Tufts of light blue acicular crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Akrochordite (2) ] | ||||||||||
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Guanajuatite RRUFF ID: R080140 |
Ideal Chemistry: Bi3+2Se2-3 |
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Locality: Falun, Dalarna, Sweden Source: James Shigley Owner: RRUFF Description: Compact mass of silver flattened crystals, exhibiting metallic luster Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Stibnite (10) ] | ||||||||||
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Guangyuanite RRUFF ID: R210013 |
Ideal Chemistry: Pb2+3Cl3(Se4+O3)(OH) |
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Locality: El Dragón mine, Antonio Quijarro Province, Potosí Department, Bolivia Source: Jim McGlasson #9213 Owner: RRUFF Description: Euhedral pale-yellow crystals, associated with R210012 franksousaite. 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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Gudmundite RRUFF ID: R060741 |
Ideal Chemistry: Fe3+(SbS)3- |
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Locality: Pezinok, Czechoslovakia Source: Michael Scott S101199 Owner: RRUFF Description: Silver metallic blebs with a blue surface tarnish associated with quartz, stibnite and kermesite, R060742 Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Arsenopyrite (6) ] | ||||||||||
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Guilleminite RRUFF ID: R090007 |
Ideal Chemistry: Ba(U6+O2)3(Se4+O3)2O2·3H2O |
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Locality: Musonoi mine, Kolwezi, Katanga, Democratic Republic of the Congo Source: William W. Pinch Owner: RRUFF Description: Yellow transparent thin tabular crystals removed from the structure type specimen of Cooper & Hawthorne (1995) study Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Guilleminite (3) ] | ||||||||||
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Guite RRUFF ID: R180022 |
Ideal Chemistry: Co2+Co3+2O4 |
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Locality: Sicomines copper-cobalt mine, near Kolwezi City, Democratic Republic of Congo Source: Xiangping Gu Owner: RRUFF Description: Dark grey, granular aggregates 100 to 500 μm in size, in which single crystals of guite are estimated to be several to tens of microns. Associated with hetrogenite and quartz. Part of co-type sample. Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Spinel (66) ] | ||||||||||
)
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Gunningite RRUFF ID: R070571 |
Ideal Chemistry: Zn2+S6+O4·H2O |
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Locality: Rammelsberg, Goslar, Harz Mountains, Lower Saxony, Germany Source: James Shigley Owner: RRUFF Description: Fine white powder, with minor component of boyleite Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Group: [ Kieserite (4) ] | ||||||||||
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Günterblassite RRUFF ID: R141209 |
Ideal Chemistry: (K,Ca)3-xFe2+[(Si,Al)13O25(OH,O)4]·7H2O |
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Locality: Rother Kopf, Gerolstein, Eifel, Germany Source: Ch. and H. Schäfer Owner: RRUFF Description: White to colorless platy crystals, associated with dark brown hydrobiotite, quartz, and albite. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Gunterblassite (1) ] | ||||||||||
)
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Gustavite RRUFF ID: R100202 |
Ideal Chemistry: Ag1+Pb2+Bi3+3S2-6 |
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Locality: Level 390, Vein 14, Mina Herminia, Julcani District, Huancavelica, Peru Source: William W Pinch Owner: RRUFF Description: Elongated black metallic crystals frozen in white granular quartz and barite mixture Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Lillianite (17) ] | ||||||||||
| Quick search: [ All Gustavite samples (4) ] | ||||||||||
)
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Gustavite RRUFF ID: R100203 |
Ideal Chemistry: Ag1+Pb2+Bi3+3S2-6 |
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Locality: Level 390, Vein 14, Mina Herminia, Julcani District, Huancavelica, Peru Source: William W Pinch Owner: RRUFF Description: Elongated black metallic crystals with striations, on a matrix of tetrahedrite, R100204. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Lillianite (17) ] | ||||||||||
| Quick search: [ All Gustavite samples (4) ] | ||||||||||
)
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Gustavite RRUFF ID: R110004 |
Ideal Chemistry: Ag1+Pb2+Bi3+3S2-6 |
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Locality: Rotgulden, Murwinkel, Lungau, Salzburg, Austria Source: William W Pinch Owner: RRUFF Description: Grayish white metallic massive, associated with pyrrhotite-4C and xilingolite R100060. Hard to visually distinguish gustavite and xilingolite. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Lillianite (17) ] | ||||||||||
| Quick search: [ All Gustavite samples (4) ] | ||||||||||
)
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Gustavite RRUFF ID: R110011 |
Ideal Chemistry: Ag1+Pb2+Bi3+3S2-6 |
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Locality: Rotgulden, Salzburg, Austria Source: William Pinch Owner: RRUFF Description: Black bladed reticulated crystals associated with arsenopyrite, siderite and pyrrhotite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Lillianite (17) ] | ||||||||||
| Quick search: [ All Gustavite samples (4) ] | ||||||||||
)
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Guyanaite RRUFF ID: R070444 |
Ideal Chemistry: Cr3+O(OH) |
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Locality: Merume river, Kamakusa, Mazaruni District, Guyana Source: Michael Scott S104672 Owner: RRUFF Description: Black alluvial grains, a mixture of guyanaite, bracewellite, eskolaite and quartz, colloquially known as merumite Status: The identification of this mineral has been confirmed only by X-ray diffraction |
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)
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Gypsum RRUFF ID: R040029 |
Ideal Chemistry: CaS6+O4·2H2O |
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Locality: Twin Buttes, Pima County, Arizona, USA Source: University of Arizona Mineral Museum 4885 Owner: RRUFF Description: Colorless prismatic crystal Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Group: [ Gypsum (12) ] | ||||||||||
| Quick search: [ All Gypsum samples (6) ] | ||||||||||
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Gypsum RRUFF ID: X050096 |
Ideal Chemistry: CaS6+O4·2H2O |
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Locality: Source: Caltech Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ Gypsum (12) ] | ||||||||||
| Quick search: [ All Gypsum samples (6) ] | ||||||||||
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Gypsum RRUFF ID: X050097 |
Ideal Chemistry: CaS6+O4·2H2O |
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Locality: Cave of Swords, Naica, Chihuahua, Mexico Source: Caltech Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ Gypsum (12) ] | ||||||||||
| Quick search: [ All Gypsum samples (6) ] | ||||||||||
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Gypsum RRUFF ID: X050098 |
Ideal Chemistry: CaS6+O4·2H2O |
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Locality: Lake Mead, Arizona, USA Source: Caltech Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ Gypsum (12) ] | ||||||||||
| Quick search: [ All Gypsum samples (6) ] | ||||||||||
)
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Gypsum RRUFF ID: X050099 |
Ideal Chemistry: CaS6+O4·2H2O |
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Locality: Pomiaia, Italy Source: CIT 628 Owner: Caltech Description: var. Alabaster Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ Gypsum (12) ] | ||||||||||
| Quick search: [ All Gypsum samples (6) ] | ||||||||||
)
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Gypsum RRUFF ID: R060509 |
Ideal Chemistry: CaS6+O4·2H2O |
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Locality: Pierre Shale, Hermosa, Custer County, South Dakota, USA Source: Michael Scott S100215 Owner: RRUFF Description: Colorless tabular single crystal Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Group: [ Gypsum (12) ] | ||||||||||
| Quick search: [ All Gypsum samples (6) ] | ||||||||||
)
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Gyrolite RRUFF ID: R060163 |
Ideal Chemistry: NaCa16(Si23Al)O60(OH)8·14H2O |
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Locality: Bombay, India Source: Marcus Origlieri Owner: RRUFF Description: Spherical aggregate of thin pseudohexagonal blades Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Gyrolite (5) ] | ||||||||||
)
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Gysinite-(Nd) RRUFF ID: R100062 |
Ideal Chemistry: Pb2+Nd3+(CO3)2(OH)·H2O |
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Locality: Kasompi, 70 km west of Kambove, Katanga, Congo Source: William W Pinch Owner: RRUFF Description: Pink glassy granular crystals associated with green malachite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Ancylite (6) ] | ||||||||||
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Hafnon RRUFF ID: X050100 |
Ideal Chemistry: Hf4+SiO4 |
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Locality: synthetic, grown by J.Hanchar Source: Caltech Owner: Caltech Description: Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Zircon (35) ] | ||||||||||
| Quick search: [ All Hafnon samples (2) ] | ||||||||||
)
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Hafnon RRUFF ID: R060987 |
Ideal Chemistry: Hf4+SiO4 |
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Locality: Synthetic Source: Alex Speer Owner: RRUFF Description: Colorless unconsolidated grains, sample is from Speer and Cooper (1982) Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Zircon (35) ] | ||||||||||
| Quick search: [ All Hafnon samples (2) ] | ||||||||||
)
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Hagendorfite RRUFF ID: R130128 |
Ideal Chemistry: Na2Mn2+Fe2+Fe3+(PO4)3 |
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Locality: Hagendorf, Waidhaus, Vohenstrauß, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany Source: Rock Currier Owner: RRUFF Description: Black massive, associated with dark brown wolfeite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Alluaudite (22) ] | ||||||||||
| Quick search: [ All Hagendorfite samples (2) ] | ||||||||||
)
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Hagendorfite RRUFF ID: R160083 |
Ideal Chemistry: Na2Mn2+Fe2+Fe3+(PO4)3 |
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Locality: Palermo No. 1 mine, Groton, Grafton County, New Hampshire, USA Source: Rock Currier Owner: UAMM Description: Massive dark green crystals Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Alluaudite (22) ] | ||||||||||
| Quick search: [ All Hagendorfite samples (2) ] | ||||||||||
)
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Hainite-(Y) RRUFF ID: R141183 |
Ideal Chemistry: (Ca3Y)Na(NaCa)Ti4+(Si2O7)2(OF)F2 |
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Locality: Langesund Fjord, Norway Source: Marcelo B. Andrade Owner: RRUFF Description: Prismatic light brown crystals embedded in albite. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Rosenbuschite (6) ] | ||||||||||
)
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Haiweeite RRUFF ID: R060732 |
Ideal Chemistry: Ca(U6+O2)2Si5O12(OH)2·6H2O |
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Locality: Los Azules, Copiapo, Chile Source: Bob Jenkins Owner: RRUFF Description: Spherical aggregates of yellow acicular crystals Status: The identification of this mineral is not yet confirmed. |
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| Quick search: [ All Haiweeite samples (2) ] | ||||||||||
)
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Haiweeite RRUFF ID: R061051 |
Ideal Chemistry: Ca(U6+O2)2Si5O12(OH)2·6H2O |
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Locality: Teofoli Otoni, Minas Gerais, Brazil Source: Michael Scott S101400 Owner: RRUFF Description: Spherical aggregates of yellow acicular crystals with albite, uranophane, calcite, quartz, and muscovite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Haiweeite samples (2) ] | ||||||||||
)
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Håleniusite-(La) RRUFF ID: R060808 |
Ideal Chemistry: LaOF |
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Locality: Bastnas, Sweden Source: Michael Scott S101164 Owner: RRUFF Description: Yellow to ochre granular aggregate Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Fluorite (12) ] | ||||||||||
)
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Halite RRUFF ID: R070292 |
Ideal Chemistry: NaCl |
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Locality: Stassfurt, Stassfurt Deposit, Saxony-Anhalt, Germany Source: Michael Scott S104647 Owner: RRUFF Description: Blue to colorless cube Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Group: [ Rocksalt (18) ] | ||||||||||
| Quick search: [ All Halite samples (3) ] | ||||||||||
)
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Halite RRUFF ID: R070534 |
Ideal Chemistry: NaCl |
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Locality: Searles Lake, San Bernadino County, California, USA Source: James Shigley Owner: RRUFF Description: Colorless cubes Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Group: [ Rocksalt (18) ] | ||||||||||
| Quick search: [ All Halite samples (3) ] | ||||||||||
)
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Halite RRUFF ID: R070586 |
Ideal Chemistry: NaCl |
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Locality: Heringen, Werra Valley, Hesse, Germany Source: James Shigley Owner: RRUFF Description: Colorless to blue-tinted crystal fragments Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Rocksalt (18) ] | ||||||||||
| Quick search: [ All Halite samples (3) ] | ||||||||||
)
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Halotrichite RRUFF ID: R060118 |
Ideal Chemistry: Fe2+Al2(S6+O4)4·22H2O |
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Locality: Alum Canyon, Patagonia Mountains, Arizona, USA Source: University of Arizona Mineral Museum 4992 Owner: RRUFF Description: Colorless acicular single crystals Status: The identification of this mineral has been made only by X-ray diffraction. |
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| Mineral Group: [ Halotrichite (7) ] | ||||||||||
| Quick search: [ All Halotrichite samples (2) ] | ||||||||||
)
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Halotrichite RRUFF ID: R070673 |
Ideal Chemistry: Fe2+Al2(S6+O4)4·22H2O |
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Locality: Orphan mine, Grand Canyon, Coconino County, Arizona, USA Source: Malcolm Alter Owner: RRUFF Description: Loose aggregates of pale blue silky fibers Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Halotrichite (7) ] | ||||||||||
| Quick search: [ All Halotrichite samples (2) ] | ||||||||||
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Hambergite RRUFF ID: X050101 |
Ideal Chemistry: Be2BO3(OH) |
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Locality: Source: Caltech Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Quick search: [ All Hambergite samples (3) ] | ||||||||||
)
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Hambergite RRUFF ID: R050603 |
Ideal Chemistry: Be2BO3(OH) |
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Locality: Momeik, Burma Source: Bill Larson Owner: RRUFF Description: Colorless fragment from a striated prismatic crystal Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Quick search: [ All Hambergite samples (3) ] | ||||||||||
)
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Hambergite RRUFF ID: R050672 |
Ideal Chemistry: Be2BO3(OH) |
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Locality: Anjanabonoina, Madagascar Source: University of Arizona Mineral Museum 2498 Owner: RRUFF Description: Pale gray prismatic crystal Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Quick search: [ All Hambergite samples (3) ] | ||||||||||
)
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Hammarite RRUFF ID: R110028 |
Ideal Chemistry: Cu1+2Pb2+2Bi3+4S2-9 |
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Locality: Baita Mining District (Baita Bihor; Rezbanya), Nucet, Bihor Co., Romania Source: Bob Jenkins Owner: RRUFF Description: Steel-gray parallel aggregates of prismatic crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Meneghinite (7) ] | ||||||||||
)
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Hanksite RRUFF ID: R050291 |
Ideal Chemistry: KNa22(S6+O4)9(CO3)2Cl |
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Locality: Searles Lake, Trona, San Bernardino County, California, USA Source: Marcus Origlieri Owner: RRUFF Description: Pale yellow hexagonal prism with pyramidal terminations Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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)
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Hannebachite RRUFF ID: R060572 |
Ideal Chemistry: (CaS4+O3)2·H2O |
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Locality: Hannebacher Ley, near Hannebach, Eifel, Germany Source: Michael Scott S100164 Owner: RRUFF Description: Colorless thin bladed crystals 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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Hardystonite RRUFF ID: R040026 |
Ideal Chemistry: Ca2Zn2+Si2O7 |
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Locality: Franklin, Sussex County, New Jersey, USA Source: University of Arizona Mineral Museum 9385 Owner: RRUFF Description: White massive Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Melilite (7) ] | ||||||||||
)
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Harmotome RRUFF ID: R070015 |
Ideal Chemistry: Ba2(Si12Al4)O32·12H2O |
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Locality: Old Kilpatrick, Dumbartonshire, Scotland Source: Michael Scott S101021 Owner: RRUFF Description: Colorless blocky crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Harmotome (8) ] | ||||||||||
| Quick search: [ All Harmotome samples (2) ] | ||||||||||
)
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Harmotome RRUFF ID: R070016 |
Ideal Chemistry: Ba2(Si12Al4)O32·12H2O |
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Locality: Idar-Oberstein, Germany Source: Michael Scott S101329 Owner: RRUFF Description: Colorless to milky-white prismatic crystals Status: The identification of this mineral has been made only by X-ray diffraction. |
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| Mineral Group: [ Harmotome (8) ] | ||||||||||
| Quick search: [ All Harmotome samples (2) ] | ||||||||||
)
|
Hashemite RRUFF ID: R100120 |
Ideal Chemistry: BaCr6+O4 |
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Locality: 60 kilometers south east of Aman, West Central Jordan Source: William W. Pinch Owner: RRUFF Description: Doubly-terminated to tabular brown crystals with striations, associated with calcite and elongated yellow amorphous minerals. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Baryte (18) ] | ||||||||||
)
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Hastingsite RRUFF ID: R070124 |
Ideal Chemistry: NaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2 |
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Locality: Clea Claims, Pelly River area, Yukon Territory, Canada Source: Mark Mauthner 1017 Owner: RRUFF Description: Loose black bladed crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ amphibole (107) ] | ||||||||||
| Quick search: [ All Hastingsite samples (3) ] | ||||||||||
)
|
Hastingsite RRUFF ID: R070194 |
Ideal Chemistry: NaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2 |
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Locality: Seglenge, Sweden Source: California Institute of Technology CIT-2030 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) ] | ||||||||||
| Quick search: [ All Hastingsite samples (3) ] | ||||||||||
)
|
Hastingsite RRUFF ID: R070250 |
Ideal Chemistry: NaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2 |
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Locality: unnamed quarry, Dmitrievka village, Mariupol' Massif (Oktyabr'skii), Azov Sea Region, Donetsk Oblast', Ukraine Source: Michael Scott S100448 Owner: RRUFF Description: Dark green to black crystals exhibiting typical amphibole cleavage 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 Hastingsite samples (3) ] | ||||||||||
)
|
Hatchite RRUFF ID: R100058 |
Ideal Chemistry: Ag1+Pb2+Tl1+As3+2S2-5 |
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Locality: Lengenbach quarry, Binnental, Canton Wallis, Switzerland Source: William W Pinch Owner: RRUFF Description: Black euhedral crystal embedded in white dolomite with red realgar Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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)
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Hauchecornite RRUFF ID: R060851 |
Ideal Chemistry: Ni9BiSbS8 |
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Locality: Vermilion mine, Sudbury, Ontario, Canada Source: Michael Scott S100923 Owner: RRUFF Description: Bronze-yellow metallic massive Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ hauchecornite (2) ] | ||||||||||
)
|
Hauerite RRUFF ID: R070438 |
Ideal Chemistry: Mn2+(S2)2- |
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Locality: Machov, Poland Source: Michael Scott S102367 Owner: RRUFF Description: Unconsolidated reddish brown platy fragments, sample was used to make ICDD pattern Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Pyrite (16) ] | ||||||||||
| Quick search: [ All Hauerite samples (2) ] | ||||||||||
)
|
Hauerite RRUFF ID: R070506 |
Ideal Chemistry: Mn2+(S2)2- |
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Locality: Destricella mine, Raddusa, Catania Province, Italy Source: James Shigley Owner: RRUFF Description: Metallic brownish-gray octahedral crystal Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Pyrite (16) ] | ||||||||||
| Quick search: [ All Hauerite samples (2) ] | ||||||||||
)
|
Hausmannite RRUFF ID: R040090 |
Ideal Chemistry: Mn2+Mn3+2O4 |
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Locality: Öhrenstock, Ilmenau, near Thuringia, Germany Source: University of Arizona Mineral Museum 3747 Owner: RRUFF Description: Mass of black octahedral crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Spinel (66) ] | ||||||||||
| Quick search: [ All Hausmannite samples (4) ] | ||||||||||
)
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Hausmannite RRUFF ID: R040091 |
Ideal Chemistry: Mn2+Mn3+2O4 |
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Locality: Germany Source: University of Arizona Mineral Museum 13616 Owner: RRUFF Description: Mass of black octahedral crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Spinel (66) ] | ||||||||||
| Quick search: [ All Hausmannite samples (4) ] | ||||||||||
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