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The RRUFF Project has been migrated to RRUFF.net. Please update your bookmarks immediately, if you have not done so.
The data on this website is already three years out of date, and the entire website will be taken offline before the end of the year.
We are grateful to NASA for the funding of this effort.
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Welcome to the RRUFF Project website containing an integrated database of Raman spectra, X-ray diffraction and chemistry data for minerals. |
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Spessartine RRUFF ID: R060279 |
Ideal Chemistry: Mn2+3Al2(SiO4)3 |
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Locality: Shigar Valley, northeast of Skardu, Baltistan, Pakistan Source: Herb Obodda 055 Owner: RRUFF Description: Reddish-brown fine grained 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 Spessartine samples (10) ] | ||||||||||
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Spessartine RRUFF ID: R060447 |
Ideal Chemistry: Mn2+3Al2(SiO4)3 |
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Locality: unknown Source: Gemological Institute of America 4569 Owner: RRUFF Description: Orange 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 Spessartine samples (10) ] | ||||||||||
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Spessartine RRUFF ID: R060451 |
Ideal Chemistry: Mn2+3Al2(SiO4)3 |
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Locality: unknown Source: Gemological Institute of America 11817 Owner: RRUFF Description: Reddish orange 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 Spessartine samples (10) ] | ||||||||||
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Spessartine RRUFF ID: R080053 |
Ideal Chemistry: Mn2+3Al2(SiO4)3 |
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Locality: East Africa Source: www.multicolour.com Owner: RRUFF Description: Transparent orange 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 Spessartine samples (10) ] | ||||||||||
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Sphalerite RRUFF ID: R040136 |
Ideal Chemistry: Zn2+S2- |
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Locality: Hilltop mine, Paradise, Cochise County, Arizona, USA Source: University of Arizona Mineral Museum 13933 Owner: RRUFF Description: Olive green fragments Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Sphalerite (35) ] | ||||||||||
| Quick search: [ All Sphalerite samples (9) ] | ||||||||||
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Sphalerite RRUFF ID: R050005 |
Ideal Chemistry: Zn2+S2- |
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Locality: Taolin mine, Yueyang, Linxing, Hunan Province, China Source: Eugene Schlepp Owner: RRUFF Description: Reddish brown crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Sphalerite (35) ] | ||||||||||
| Quick search: [ All Sphalerite samples (9) ] | ||||||||||
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Sphalerite RRUFF ID: R050140 |
Ideal Chemistry: Zn2+S2- |
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Locality: Big Four mine, Summit County, Colorado, USA Source: Dave Bunk Minerals Owner: RRUFF Description: Group of dark green tetrahedra Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Sphalerite (35) ] | ||||||||||
| Quick search: [ All Sphalerite samples (9) ] | ||||||||||
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Sphalerite RRUFF ID: R050237 |
Ideal Chemistry: Zn2+S2- |
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Locality: Picos de Europa, Spain Source: Marcus Origlieri Owner: RRUFF Description: Green single crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Sphalerite (35) ] | ||||||||||
| Quick search: [ All Sphalerite samples (9) ] | ||||||||||
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Sphalerite RRUFF ID: X050150 |
Ideal Chemistry: Zn2+S2- |
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Locality: Pitcher, Oklahoma, 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: [ Sphalerite (35) ] | ||||||||||
| Quick search: [ All Sphalerite samples (9) ] | ||||||||||
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Sphalerite RRUFF ID: X050151 |
Ideal Chemistry: Zn2+S2- |
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Locality: Source: 1460-1a Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ Sphalerite (35) ] | ||||||||||
| Quick search: [ All Sphalerite samples (9) ] | ||||||||||
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Sphalerite RRUFF ID: R060005 |
Ideal Chemistry: Zn2+S2- |
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Locality: Trinacria mine, Lake Poopo, Oruro, Bolivia Source: University of Arizona Mineral Museum 3552 Owner: RRUFF Description: Steel gray crystal associated with franckeite R050431 Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Sphalerite (35) ] | ||||||||||
| Quick search: [ All Sphalerite samples (9) ] | ||||||||||
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Sphalerite RRUFF ID: R060636 |
Ideal Chemistry: Zn2+S2- |
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Locality: unknown Source: Gemological Institute of America 12 Owner: RRUFF Description: Light yellow-green cleavage fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Sphalerite (35) ] | ||||||||||
| Quick search: [ All Sphalerite samples (9) ] | ||||||||||
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Sphalerite RRUFF ID: R100145 |
Ideal Chemistry: Zn2+S2- |
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Locality: Picos De Europa, Cantabria, Spain Source: William W. Pinch Owner: RRUFF Description: Brown cut gemstone Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Sphalerite (35) ] | ||||||||||
| Quick search: [ All Sphalerite samples (9) ] | ||||||||||
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Spherocobaltite RRUFF ID: R060497 |
Ideal Chemistry: Co2+CO3 |
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Locality: Bou Azzer, Anti Atlas Mountains, Morocco Source: Michael Scott S100046 Owner: RRUFF Description: Group of red rhombohedral 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 Spherocobaltite samples (2) ] | ||||||||||
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Spherocobaltite RRUFF ID: R140338 |
Ideal Chemistry: Co2+CO3 |
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Locality: Kakanda, Shaba, Zaire Source: William Pinch Owner: RRUFF Description: Reddish purple rhombohedral crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Quick search: [ All Spherocobaltite samples (2) ] | ||||||||||
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Spinel RRUFF ID: R050184 |
Ideal Chemistry: MgAl2O4 |
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Locality: Pein Pyit, Mogok, Burma Source: Marcus Origlieri Owner: RRUFF Description: Red crystal in calcite, associated with yellowish-green clinohumite, R050183 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 Spinel samples (12) ] | ||||||||||
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Spinel RRUFF ID: R050259 |
Ideal Chemistry: MgAl2O4 |
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Locality: Mogok, Burma Source: Marcus Origlieri Owner: RRUFF Description: Purple cut gemstone 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 Spinel samples (12) ] | ||||||||||
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Spinel RRUFF ID: R050411 |
Ideal Chemistry: MgAl2O4 |
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Locality: Mogok, Burma Source: Marcus Origlieri Owner: RRUFF Description: Pale pink gemstone 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 Spinel samples (12) ] | ||||||||||
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Spinel RRUFF ID: R050392 |
Ideal Chemistry: MgAl2O4 |
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Locality: Mogok, Burma Source: Eric Van Valkenburg Owner: RRUFF Description: Pink octahedron 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 Spinel samples (12) ] | ||||||||||
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Spinel RRUFF ID: R060798 |
Ideal Chemistry: MgAl2O4 |
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Locality: Onentura mine, Camaguey Province, Cuba Source: George Rossman CIT-1244 Owner: RRUFF Description: Black granular massive Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Spinel (66) ] | ||||||||||
| Quick search: [ All Spinel samples (12) ] | ||||||||||
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Spinel RRUFF ID: R060799 |
Ideal Chemistry: MgAl2O4 |
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Locality: Aliabad, Hunza Valley, Pakistan Source: Marcus Origlieri Owner: RRUFF Description: A group of blue distorted octahedra Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Spinel (66) ] | ||||||||||
| Quick search: [ All Spinel samples (12) ] | ||||||||||
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Spinel RRUFF ID: R070013 |
Ideal Chemistry: MgAl2O4 |
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Locality: Bo Phloi, Kanchoutabori Province, Thailand Source: Michael Scott S104538 Owner: RRUFF Description: Black glassy fragment with conchoidal fracture Status: The identification of this mineral has been made only by X-ray diffraction. |
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| Mineral Group: [ Spinel (66) ] | ||||||||||
| Quick search: [ All Spinel samples (12) ] | ||||||||||
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Spinel RRUFF ID: X080013 |
Ideal Chemistry: MgAl2O4 |
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Locality: Synthetic Source: Gemological Institute of America 17612 Owner: GIA Description: Faceted red gemstone, 4.40 ct Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ Spinel (66) ] | ||||||||||
| Quick search: [ All Spinel samples (12) ] | ||||||||||
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Spinel RRUFF ID: X080014 |
Ideal Chemistry: MgAl2O4 |
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Locality: Synthetic Source: Gemological Institute of America 14105 Owner: GIA Description: Faceted blue gemstone, 7.90 ct Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ Spinel (66) ] | ||||||||||
| Quick search: [ All Spinel samples (12) ] | ||||||||||
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Spinel RRUFF ID: R100133 |
Ideal Chemistry: MgAl2O4 |
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Locality: Sri Lanka Source: William W. Pinch Owner: RRUFF Description: Blue and red cut gemstones. The bottom red stone is the one that was studied. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Spinel (66) ] | ||||||||||
| Quick search: [ All Spinel samples (12) ] | ||||||||||
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Spinel RRUFF ID: R110101 |
Ideal Chemistry: MgAl2O4 |
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Locality: Synthetic Source: Gemological Institute of America 10-12-2010-6 Owner: RRUFF Description: A blue, cut (3.76ct) gemstone, grown by flame fusion. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Spinel (66) ] | ||||||||||
| Quick search: [ All Spinel samples (12) ] | ||||||||||
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Spinel RRUFF ID: R120116 |
Ideal Chemistry: MgAl2O4 |
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Locality: Bo Phloi, Kanfhoutabori Province,Thailand Source: Mark N. Feinglos Owner: RRUFF Description: Black glassy fragment Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Spinel (66) ] | ||||||||||
| Quick search: [ All Spinel samples (12) ] | ||||||||||
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Spiroffite RRUFF ID: R070744 |
Ideal Chemistry: Mn2+2Te4+3O8 |
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Locality: Bambollita mine (Oriental mine), Moctezuma, Municipio de Moctezuma, Sonora, Mexico Source: Michael Scott S102660 Owner: RRUFF Description: Massive red-orange/purple crystals; associated with yellow tellurite and quartz Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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Spodumene RRUFF ID: R040050 |
Ideal Chemistry: LiAlSi2O6 |
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Locality: Minas Gerais, Brazil Source: University of Arizona Mineral Museum 12098 Owner: RRUFF Description: Pale pink fragment of a single crystal, variety kunzite Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ pyroxene (81) ] | ||||||||||
| Quick search: [ All Spodumene samples (7) ] | ||||||||||
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Spodumene RRUFF ID: X050152 |
Ideal Chemistry: LiAlSi2O6 |
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Locality: unknown Source: G.R. Rossman 74 Owner: Caltech Description: Variety kunzite Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ pyroxene (81) ] | ||||||||||
| Quick search: [ All Spodumene samples (7) ] | ||||||||||
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Spodumene RRUFF ID: X050153 |
Ideal Chemistry: LiAlSi2O6 |
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Locality: Pala, California, USA Source: G.R. Rossman 1658 Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ pyroxene (81) ] | ||||||||||
| Quick search: [ All Spodumene samples (7) ] | ||||||||||
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Spodumene RRUFF ID: X050154 |
Ideal Chemistry: LiAlSi2O6 |
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Locality: Brazil Source: P- 495 Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ pyroxene (81) ] | ||||||||||
| Quick search: [ All Spodumene samples (7) ] | ||||||||||
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Spodumene RRUFF ID: X050155 |
Ideal Chemistry: LiAlSi2O6 |
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Locality: Nuristan, Pakistan Source: RD Shannon 62047- 78 Owner: Caltech Description: Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ pyroxene (81) ] | ||||||||||
| Quick search: [ All Spodumene samples (7) ] | ||||||||||
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Spodumene RRUFF ID: R050252 |
Ideal Chemistry: LiAlSi2O6 |
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Locality: Minas Gerais, Brazil Source: Marcus Origlieri Owner: RRUFF Description: Pale lavendar cleavage fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ pyroxene (81) ] | ||||||||||
| Quick search: [ All Spodumene samples (7) ] | ||||||||||
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Spodumene RRUFF ID: R060039 |
Ideal Chemistry: LiAlSi2O6 |
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Locality: Black Hills, South Dakota, USA Source: University of Arizona Mineral Museum 16926 Owner: RRUFF Description: Light green massive Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ pyroxene (81) ] | ||||||||||
| Quick search: [ All Spodumene samples (7) ] | ||||||||||
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Spurrite RRUFF ID: R050236 |
Ideal Chemistry: Ca5(SiO4)2(CO3) |
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Locality: South Sister Peak, Luna County, New Mexico, USA Source: Marcus Origlieri Owner: RRUFF Description: Lavendar-gray massive Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Spurrite-Afwillite (6) ] | ||||||||||
| Quick search: [ All Spurrite samples (2) ] | ||||||||||
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Spurrite RRUFF ID: R070632 |
Ideal Chemistry: Ca5(SiO4)2(CO3) |
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Locality: Huka, Okayama, Japan Source: Shinichi Kihara Owner: RRUFF Description: Massive lavender fragment Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Spurrite-Afwillite (6) ] | ||||||||||
| Quick search: [ All Spurrite samples (2) ] | ||||||||||
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Srebrodolskite RRUFF ID: R130096 |
Ideal Chemistry: Ca2Fe3+2O5 |
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Locality: Kopeisk, South Ural, Russia Source: Rock Currier Owner: RRUFF Description: Dark brown grains, massive, associated with calcite. P-centered confirmed by X-ray diffraction. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Groups: [ Brownmillerite (2) ] [ Perovskite (44) ] | ||||||||||
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Stanevansite RRUFF ID: R220011 |
Ideal Chemistry: Mg(C2H3O3)1-2·2H2O |
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Locality: Western end of Pusch Ridge in the Santa Catalina Mountains, north of Tucson, Pima County, Arizona, USA Source: Warren Lazar Owner: RRUFF (UAMM 22721) Description: Colorless bladed crystals, associated with lazaraskeite Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Glycolate (6) ] | ||||||||||
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Stannite RRUFF ID: R050187 |
Ideal Chemistry: Cu1+2Fe2+Sn4+S2-4 |
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Locality: Yaogangxian mine, Yizhang County, Hunan Province, China Source: Marcus Origlieri and George Guanghua Liu Owner: RRUFF Description: Bluish-black octahedron associated with fluorite and quartz. According to Kissin & Owens (1989), since 2a is significantly larger than c, this sample is stannite. 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) ] | ||||||||||
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Stannoidite RRUFF ID: R160066 |
Ideal Chemistry: Cu1+8Fe3+2(Fe2+,Zn2+)Sn4+2S2-12 |
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Locality: Junction mine, Warren District, Cochise County, Arizona, USA Source: University of Arizona Mineral Museum 3169 Owner: RRUFF Description: Black grains in massive bornite and chalcopyrite matrix. Under optical microscope, stannoidite crystals are brownish. The gray-pinkish material is bornite and light-gray is chalcopyrite. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Stannoidite (1) ] | ||||||||||
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Starkeyite RRUFF ID: R060321 |
Ideal Chemistry: MgS6+O4·4H2O |
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Locality: Epsom, Surrey, England Source: Michael Scott S100279 Owner: RRUFF Description: White efflorescence Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Group: [ Starkeyite (4) ] | ||||||||||
| Quick search: [ All Starkeyite samples (2) ] | ||||||||||
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Starkeyite RRUFF ID: R070589 |
Ideal Chemistry: MgS6+O4·4H2O |
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Locality: Basque Lake, near Ashcroft, British Columbia, Canada Source: James Shigley Owner: RRUFF Description: Fine white powder Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Group: [ Starkeyite (4) ] | ||||||||||
| Quick search: [ All Starkeyite samples (2) ] | ||||||||||
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Staurolite RRUFF ID: R050079 |
Ideal Chemistry: Fe2+2Al9Si4O23(OH) |
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Locality: Keivy, Kola Peninsula, Russia Source: Rock Currier Owner: RRUFF Description: Brown cruciform twins Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Staurolite (2) ] | ||||||||||
| Quick search: [ All Staurolite samples (2) ] | ||||||||||
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Staurolite RRUFF ID: R080120 |
Ideal Chemistry: Fe2+2Al9Si4O23(OH) |
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Locality: Bahia, Brazil Source: Shinichi Kihara Owner: RRUFF Description: Brown cruciform twins Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Staurolite (2) ] | ||||||||||
| Quick search: [ All Staurolite samples (2) ] | ||||||||||
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Steacyite RRUFF ID: R120037 |
Ideal Chemistry: K0.3(Na,Ca)2Th4+Si8O20 |
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Locality: Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada Source: Donald Doell Owner: RRUFF Description: Brown rectangular prism Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Steacyite (4) ] | ||||||||||
| Quick search: [ All Steacyite samples (2) ] | ||||||||||
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Steacyite RRUFF ID: R130053 |
Ideal Chemistry: K0.3(Na,Ca)2Th4+Si8O20 |
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Locality: Mont Saint-Hilaire, Rouville RCM, Monteregie, Quebec, Canada Source: Don Doell Owner: RRUFF Description: Light-brown rectangular prism Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Steacyite (4) ] | ||||||||||
| Quick search: [ All Steacyite samples (2) ] | ||||||||||
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Steenstrupine-(Ce) RRUFF ID: R100205 |
Ideal Chemistry: Na14Ce3+6Mn2+Mn3+Fe3+2Zr4+(PO4)7Si12O36(OH)2·3H2O |
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Locality: Mont Saint-Hilaire, Rouville County, Quebec, Canada Source: Royal Ontario Museum K10061 Owner: RRUFF Description: Transparent brown blocky crystals on a white sodalite matrix. Our sample is twinned. If we ignored the twin, then we get the reported hexagonal cell of Moore and Shen (1983). Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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Stellerite RRUFF ID: R040174 |
Ideal Chemistry: Ca4(Si28Al8)O72·28H2O |
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Locality: unknown Source: University of Arizona Mineral Museum 10105 Owner: RRUFF Description: Parallel aggregates of thin tabular brown crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Stilbite (7) ] | ||||||||||
| Quick search: [ All Stellerite samples (4) ] | ||||||||||
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Stellerite RRUFF ID: X060015 |
Ideal Chemistry: Ca4(Si28Al8)O72·28H2O |
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Locality: Sarbayskaya Quarry, Rudniy, Kusteni Oblast, Kazakhstan Source: University of Arizona Mineral Museum 14503 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: [ Stilbite (7) ] | ||||||||||
| Quick search: [ All Stellerite samples (4) ] | ||||||||||
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Stellerite RRUFF ID: R060483 |
Ideal Chemistry: Ca4(Si28Al8)O72·28H2O |
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Locality: Sokolovskoye mine, Kustani Region, Kazakhstan Source: Michael Scott S100123 Owner: RRUFF Description: Aggregate of orange chabazite and stellarite crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Stilbite (7) ] | ||||||||||
| Quick search: [ All Stellerite samples (4) ] | ||||||||||
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Stellerite RRUFF ID: R070535 |
Ideal Chemistry: Ca4(Si28Al8)O72·28H2O |
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Locality: Upper Clackamas River, Clackamas County, Oregon, USA Source: James Shigley Owner: RRUFF Description: Sheaflike aggregates of white, tabular crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Stilbite (7) ] | ||||||||||
| Quick search: [ All Stellerite samples (4) ] | ||||||||||
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Stenhuggarite RRUFF ID: R080038 |
Ideal Chemistry: CaFe3+Sb3+As3+2O7 |
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Locality: Langban, Filipstad, Varmland, Sweden Source: Michael Scott S101880 Owner: RRUFF Description: Aggregate of reddish orange granular crystals in matrix of black hematite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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Stephanite RRUFF ID: R050143 |
Ideal Chemistry: Ag1+5Sb3+S2-4 |
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Locality: Proano mine, Fresnillo, Zacatecas, Mexico Source: Dave Bunk Minerals Owner: RRUFF Description: Group of black pseudohexagonal crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Stephanite samples (3) ] | ||||||||||
)
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Stephanite RRUFF ID: R050306 |
Ideal Chemistry: Ag1+5Sb3+S2-4 |
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Locality: Atlanta, Idaho, USA Source: Eugene Schlepp Owner: RRUFF Description: Dark gray metallic crystals associated with quartz Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Stephanite samples (3) ] | ||||||||||
)
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Stephanite RRUFF ID: R050309 |
Ideal Chemistry: Ag1+5Sb3+S2-4 |
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Locality: Sonora, Mexico Source: Eugene Schlepp Owner: RRUFF Description: Black fragment in quartz, associated with pyrargyrite. Electron microscope image shows two fine-scale phases. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Stephanite samples (3) ] | ||||||||||
)
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Sternbergite RRUFF ID: R110137 |
Ideal Chemistry: Ag1+Fe2+Fe3+S2-3 |
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Locality: Joachimsthal, Bohemia, Czechoslovakia Source: William W. Pinch Owner: RRUFF Description: Black sectile single crystals with good cleavage, some with purple iridescence, associated with stephanite. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Cubanite (7) ] | ||||||||||
)
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Stevensite RRUFF ID: R070332 |
Ideal Chemistry: (Ca,Na)xMg3-ySi4O10(OH)2 |
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Locality: Kovdor, Kola Peninsula, Russia Source: Michael Scott S100959 Owner: RRUFF Description: Colorless fine-grained, pseudomorph after pectolite Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Clay (86) ] | ||||||||||
)
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Stewartite RRUFF ID: R070643 |
Ideal Chemistry: Mn2+Fe3+2(PO4)2(OH)2·8H2O |
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Locality: Hagendorf, Bavaria, Germany Source: Michael Scott S101338 Owner: RRUFF Description: Transparent yellow bladed crystals with orange laueite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Stewartite (2) ] | ||||||||||
)
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Stibarsen RRUFF ID: R060115 |
Ideal Chemistry: SbAs |
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Locality: Moctezuma, Sonora, Mexico Source: University of Arizona Mineral Museum 15215 Owner: RRUFF Description: Tin-white reniform mass with many small inclusions of antimony Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Arsenic (7) ] | ||||||||||
| Quick search: [ All Stibarsen samples (2) ] | ||||||||||
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Stibarsen RRUFF ID: R070299 |
Ideal Chemistry: SbAs |
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Locality: Varutrask, Skelleftea, Vasterbotten, Sweden Source: James Shigley Owner: RRUFF Description: Grey metallic platy fragment associated with arsenic Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Arsenic (7) ] | ||||||||||
| Quick search: [ All Stibarsen samples (2) ] | ||||||||||
)
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Stibioclaudetite RRUFF ID: R080031 |
Ideal Chemistry: As3+Sb3+O3 |
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Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia Source: William W Pinch Owner: RRUFF Description: Colorless prismatic in a vug of tennantite associated with leiteite, smithsonite, ludlockite, and quartz. Type specimen, see Origlieri et al (2009) Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Claudetite (1) ] | ||||||||||
)
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Stibiotantalite RRUFF ID: R050232 |
Ideal Chemistry: Sb3+Ta5+O4 |
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Locality: Himalaya mine, Mesa Grande, San Diego County, California, USA Source: Marcus Origlieri Owner: RRUFF Description: Brown 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 Stibiotantalite samples (2) ] | ||||||||||
)
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Stibiotantalite RRUFF ID: R050599 |
Ideal Chemistry: Sb3+Ta5+O4 |
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Locality: Shengus, Pakistan Source: Wayne Thompson Owner: RRUFF Description: Yellow fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Stibiotantalite samples (2) ] | ||||||||||
)
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Stibivanite RRUFF ID: R080125 |
Ideal Chemistry: Sb3+2V4+O5 |
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Locality: Consolidated Durham mines, Lake George, York County, New Brunswick, Canada Source: William W. Pinch Owner: RRUFF Description: Elongated sprays of green crystals on quartz 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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Stibnite RRUFF ID: R050066 |
Ideal Chemistry: Sb3+2S2-3 |
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Locality: Wuling, Jiangxi Province, China Source: Rock Currier Owner: RRUFF Description: Lead-gray prismatic crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Stibnite (10) ] | ||||||||||
| Quick search: [ All Stibnite samples (3) ] | ||||||||||
)
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Stibnite RRUFF ID: R050016 |
Ideal Chemistry: Sb3+2S2-3 |
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Locality: Romania Source: Eugene Schlepp Owner: RRUFF Description: Group of lead-gray prismatic crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Stibnite (10) ] | ||||||||||
| Quick search: [ All Stibnite samples (3) ] | ||||||||||
)
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Stibnite RRUFF ID: R120137 |
Ideal Chemistry: Sb3+2S2-3 |
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Locality: Green Prospect, Churchill County, Nevada, USA Source: Benjamin N. Schumer Owner: RRUFF Description: Lead-gray prismatic crystals on matrix of senarmontite, sulphur and selenium Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Stibnite (10) ] | ||||||||||
| Quick search: [ All Stibnite samples (3) ] | ||||||||||
)
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Stichtite RRUFF ID: R050328 |
Ideal Chemistry: Mg6Cr3+2CO3(OH)16·4H2O |
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Locality: Dundas, Tasmania, Australia Source: Marcus Origlieri Owner: RRUFF Description: Aggregate of contorted purple plates Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Hydrotalcite (22) ] | ||||||||||
| Quick search: [ All Stichtite samples (3) ] | ||||||||||
)
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Stichtite RRUFF ID: R050475 |
Ideal Chemistry: Mg6Cr3+2CO3(OH)16·4H2O |
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Locality: near Dundas, Tasmania, Australia Source: California Institute of Technology W-20701 Owner: RRUFF Description: Aggregate of purple contorted plates Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Hydrotalcite (22) ] | ||||||||||
| Quick search: [ All Stichtite samples (3) ] | ||||||||||
)
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Stichtite RRUFF ID: R060675 |
Ideal Chemistry: Mg6Cr3+2CO3(OH)16·4H2O |
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Locality: Nevada Creek, Dundas, Tasmania, Australia Source: Michael Scott S100268 Owner: RRUFF Description: Purple massive, associated with green serpentine Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Hydrotalcite (22) ] | ||||||||||
| Quick search: [ All Stichtite samples (3) ] | ||||||||||
)
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Stilbite-Ca RRUFF ID: R050012 |
Ideal Chemistry: NaCa4(Si27Al9)O72·28H2O |
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Locality: Harborville, Nova Scotia, Canada Source: University of Arizona Mineral Museum 11419 Owner: RRUFF Description: Globular aggregate of thin tabular white single crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Stilbite (7) ] | ||||||||||
| Quick search: [ All Stilbite-Ca samples (2) ] | ||||||||||
)
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Stilbite-Ca RRUFF ID: R050106 |
Ideal Chemistry: NaCa4(Si27Al9)O72·28H2O |
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Locality: Corea, Sonora, Mexico Source: Fred Devito Owner: RRUFF Description: White to colorless sheaflike aggregates of flattened single crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Stilbite (7) ] | ||||||||||
| Quick search: [ All Stilbite-Ca samples (2) ] | ||||||||||
)
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Stillwellite-(Ce) RRUFF ID: R060899 |
Ideal Chemistry: Ce3+BSiO5 |
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Locality: Dara-i-Pioz, Alayskiy Range, South Tien- Shan Mountains, Tajikistan Source: Michael Scott S100968 Owner: RRUFF Description: Red or green (depending upon light source) hexagonal prism associated with aegirine and orthoclase Status: The identification of this mineral has been made only by X-ray diffraction. |
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| Quick search: [ All Stillwellite-(Ce) samples (2) ] | ||||||||||
)
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Stillwellite-(Ce) RRUFF ID: R060911 |
Ideal Chemistry: Ce3+BSiO5 |
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Locality: Dimbulah, Queensland, Australia Source: Royal Ontario Museum M52515 Owner: RRUFF Description: Dark orange crystalline blebs intergrown with fluorapatite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Stillwellite-(Ce) samples (2) ] | ||||||||||
)
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Stilpnomelane RRUFF ID: R060334 |
Ideal Chemistry: (K,Ca,Na)(Fe2+,Mg,Al,Fe3+)8(Si,Al)12(O,OH)36·nH2O |
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Locality: Blanchard Mountain, Skagit County, Washington, USA Source: Michael Scott S100225 Owner: RRUFF Description: Black platy radiating groups associated with quartz, 180 deg twin around [0 1 2] Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Groups: [ Stilpnomelane (4) ] [ Clay (86) ] | ||||||||||
| Quick search: [ All Stilpnomelane samples (3) ] | ||||||||||
)
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Stilpnomelane RRUFF ID: R070696 |
Ideal Chemistry: (K,Ca,Na)(Fe2+,Mg,Al,Fe3+)8(Si,Al)12(O,OH)36·nH2O |
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Locality: Brunsjo mine, Grythyttan, Vastmanland, Sweden Source: James Shigley Owner: RRUFF Description: Radiating black platy Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Groups: [ Stilpnomelane (4) ] [ Clay (86) ] | ||||||||||
| Quick search: [ All Stilpnomelane samples (3) ] | ||||||||||
)
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Stilpnomelane RRUFF ID: R110195 |
Ideal Chemistry: (K,Ca,Na)(Fe2+,Mg,Al,Fe3+)8(Si,Al)12(O,OH)36·nH2O |
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Locality: Broughton talc mine, Saint-Pierre-de-Broughton, Quebec, Canada Source: Donald Doell Owner: RRUFF Description: Aggregates of dark green plates, 180 deg twin around (-2 0 3) = [0 1 2]. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Groups: [ Stilpnomelane (4) ] [ Clay (86) ] | ||||||||||
| Quick search: [ All Stilpnomelane samples (3) ] | ||||||||||
)
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Stishovite RRUFF ID: R070183 |
Ideal Chemistry: SiO2 |
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Locality: Synthetic Source: P. Dera Owner: RRUFF Description: Colorless fragment Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Rutile (23) ] | ||||||||||
| Quick search: [ All Stishovite samples (2) ] | ||||||||||
)
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Stishovite RRUFF ID: R080042 |
Ideal Chemistry: SiO2 |
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Locality: Synthetic at 15 GPa/1500ºC Source: Jürgen Konzett Owner: RRUFF Description: Transparent single crystal Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Rutile (23) ] | ||||||||||
| Quick search: [ All Stishovite samples (2) ] | ||||||||||
)
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Stokesite RRUFF ID: R060587 |
Ideal Chemistry: CaSn4+Si3O9·2H2O |
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Locality: Urucum mine, Galileia, Minas Gerais, Brazil Source: Michael Scott S100785 Owner: RRUFF Description: Spherical aggregate of colorless prismatic crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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Stolzite RRUFF ID: X060016 |
Ideal Chemistry: Pb2+W6+O4 |
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Locality: Reef mine, Cochise County, Arizona, USA Source: University of Arizona Mineral Museum 11125 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: [ Scheelite (17) ] | ||||||||||
| Quick search: [ All Stolzite samples (4) ] | ||||||||||
)
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Stolzite RRUFF ID: R050568 |
Ideal Chemistry: Pb2+W6+O4 |
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Locality: Broken Hill, New South Wales, Australia Source: University of Arizona Mineral Museum 13642 Owner: RRUFF Description: Yellowish brown tetragonal dipyramidal crystals Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Scheelite (17) ] | ||||||||||
| Quick search: [ All Stolzite samples (4) ] | ||||||||||
)
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Stolzite RRUFF ID: R070552 |
Ideal Chemistry: Pb2+W6+O4 |
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Locality: Kangaloolah, Tuena, Georgiana County, New South Wales, Australia Source: James Shigley Owner: RRUFF Description: Colorless to light tan dipyramidal crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Scheelite (17) ] | ||||||||||
| Quick search: [ All Stolzite samples (4) ] | ||||||||||
)
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Stolzite RRUFF ID: R130615 |
Ideal Chemistry: Pb2+W6+O4 |
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Locality: Reef mine, Cochise County, Arizona, USA Source: Ron Gibbs Owner: RRUFF Description: Bipyramidal orange crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Scheelite (17) ] | ||||||||||
| Quick search: [ All Stolzite samples (4) ] | ||||||||||
)
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Stottite RRUFF ID: R120089 |
Ideal Chemistry: Fe2+Ge(OH)6 |
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Locality: Tsumeb, Namibia Source: William W Pinch Owner: RRUFF Description: Yellow to red gemmy crystals and fragments associated with chalcocite R120090, siderite and tennantite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Perovskite (44) ] | ||||||||||
)
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Straczekite RRUFF ID: R050325 |
Ideal Chemistry: (Ca,K,Ba)V4+2V5+6O20·3H2O |
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Locality: Union Carbide mine, Wilson Springs, Garland County, Arkansas, USA Source: Marcus Origlieri Owner: RRUFF Description: Black lathlike fibers Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Straczekite (5) ] | ||||||||||
)
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Strakhovite RRUFF ID: R080039 |
Ideal Chemistry: NaBa3(Mn2+,Mn3+)4[Si4O10(OH)2][Si2O7]O2·(F,OH)·H2O |
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Locality: Dzhavodi Area, Ir-Nimi manganese deposit, Taikan Ridge, Khabarovskiy Kray, Far-Eastern Region, Russia Source: Michael Scott S100661 Owner: RRUFF Description: Dark green vitreous massive Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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Strashimirite RRUFF ID: R060142 |
Ideal Chemistry: Cu2+4(As5+O4)2(OH)2·2.5H2O |
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Locality: Majuba Hill, Pershing County, Nevada, USA Source: Marcus Origlieri Owner: RRUFF Description: White to colorless fibrous or hair-like aggregate Status: The identification of this mineral is not yet confirmed. |
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| Quick search: [ All Strashimirite samples (2) ] | ||||||||||
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Strashimirite RRUFF ID: R060335 |
Ideal Chemistry: Cu2+4(As5+O4)2(OH)2·2.5H2O |
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Locality: Burrus mine, Pyramid District, Washoe County, Nevada, USA Source: Michael Scott S100055 Owner: RRUFF Description: Light green tufts on green platy chalcophyllite Status: The identification of this mineral is not yet confirmed. |
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| Quick search: [ All Strashimirite samples (2) ] | ||||||||||
)
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Strelkinite RRUFF ID: R070046 |
Ideal Chemistry: Na2(U6+O2)2(V5+O4)2·6H2O |
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Locality: Basaral occurrence, southwest Balkhash region, Kazakhstan Source: Michael Scott S105065 Owner: RRUFF Description: Yellow massive Status: The identification of this mineral is not yet confirmed. |
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)
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Strengite RRUFF ID: R040177 |
Ideal Chemistry: Fe3+PO4·2H2O |
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Locality: Plegstein, Oberpfalz, Bavaria, Germany Source: University of Arizona Mineral Museum 2450 Owner: RRUFF Description: Light purple 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 Strengite samples (2) ] | ||||||||||
)
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Strengite RRUFF ID: R070590 |
Ideal Chemistry: Fe3+PO4·2H2O |
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Locality: Foddersack Mountain, near Norman, Montgomery County, Arkansas, USA Source: James Shigley Owner: RRUFF Description: Radiating aggregates of bladed pale purple crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Strengite samples (2) ] | ||||||||||
)
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Stringhamite RRUFF ID: R060934 |
Ideal Chemistry: CaCu2+SiO4·H2O |
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Locality: Santos mine, Tierra Amarilla, Chile Source: Bob Jenkins Owner: RRUFF Description: Azure blue crust, there is no diffraction from this material Status: The identification of this mineral is not yet confirmed. |
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| Quick search: [ All Stringhamite samples (2) ] | ||||||||||
)
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Stringhamite RRUFF ID: R110018 |
Ideal Chemistry: CaCu2+SiO4·H2O |
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Locality: Christmas mine, Gila County, Arizona, USA Source: Bob Jenkins Owner: RRUFF Description: Deep blue platy crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Stringhamite samples (2) ] | ||||||||||
)
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Stromeyerite RRUFF ID: R060909 |
Ideal Chemistry: Cu1+Ag1+S2- |
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Locality: Gowganda, Ontario, Canada Source: Royal Ontario Museum M16326 Owner: RRUFF Description: Grey, metallic, pseudohexagonal flakes, conchoidal fracture Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Stromeyerite samples (2) ] | ||||||||||
)
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Stromeyerite RRUFF ID: R060908 |
Ideal Chemistry: Cu1+Ag1+S2- |
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Locality: Cobalt, Ontario, Canada Source: Royal Ontario Museum M39131 Owner: RRUFF Description: Black metallic massive with conchoidal fracture Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Stromeyerite samples (2) ] | ||||||||||
)
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Strontianite RRUFF ID: R040037 |
Ideal Chemistry: SrCO3 |
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Locality: Alston Moor, Cumbria, England Source: University of Arizona Mineral Museum 7934 Owner: RRUFF Description: Group of tan colored crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Aragonite (18) ] | ||||||||||
| Quick search: [ All Strontianite samples (4) ] | ||||||||||
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Strontianite RRUFF ID: X050157 |
Ideal Chemistry: SrCO3 |
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Locality: Fidalgo Island, Puget Sound, Washington, 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: [ Aragonite (18) ] | ||||||||||
| Quick search: [ All Strontianite samples (4) ] | ||||||||||
)
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Strontianite RRUFF ID: R050476 |
Ideal Chemistry: SrCO3 |
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Locality: Fidalgo Island, Puget Sound, Washington, USA Source: California Institute of Technology W-20702 Owner: RRUFF Description: Aggregate of colorless spheres Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Aragonite (18) ] | ||||||||||
| Quick search: [ All Strontianite samples (4) ] | ||||||||||
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