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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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Alluaudite RRUFF ID: R160081 |
Ideal Chemistry: ◻NaMn2+Fe3+2(PO4)3 |
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Locality: Green Monster mine, Trimble, South Dakota, USA Source: Rock Currier Owner: UAMM Description: Dark green massive. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Alluaudite (22) ] | ||||||||||
| Quick search: [ All Alluaudite samples (5) ] | ||||||||||
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Alluaudite RRUFF ID: R160082 |
Ideal Chemistry: ◻NaMn2+Fe3+2(PO4)3 |
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Locality: Custer, South Dakota, USA Source: Rock Currier Owner: UAMM Description: Dark green massive, associated with muscovite 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 Alluaudite samples (5) ] | ||||||||||
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Alluaudite RRUFF ID: R140711 |
Ideal Chemistry: ◻NaMn2+Fe3+2(PO4)3 |
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Locality: Dyke Lode, Custer, Custer District, Custer County, South Dakota, USA Source: Rock Currier Owner: RRUFF Description: Dark green massive, associated with micas and quartz. 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 Alluaudite samples (5) ] | ||||||||||
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Alluaudite RRUFF ID: R141067 |
Ideal Chemistry: ◻NaMn2+Fe3+2(PO4)3 |
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Locality: Pleasant Valley pegmatite, Fourmile, Custer District, Custer County, South Dakota, USA Source: Rob Lavinsky Owner: RRUFF Description: Massive dark-brown crystals, associated with quartz, mica, and dark-green schorl. 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 Alluaudite samples (5) ] | ||||||||||
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Almandine RRUFF ID: R040076 |
Ideal Chemistry: Fe2+3Al2(SiO4)3 |
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Locality: Barton Garnet mine, Gore Mountain, Warren County, New York, USA Source: University of Arizona Mineral Museum 7976 Owner: RRUFF Description: Red 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 Almandine samples (14) ] | ||||||||||
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Almandine RRUFF ID: R040079 |
Ideal Chemistry: Fe2+3Al2(SiO4)3 |
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Locality: Ontario, Canada Source: University of Arizona Mineral Museum 13736 Owner: RRUFF Description: Dark red 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 Almandine samples (14) ] | ||||||||||
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Almandine RRUFF ID: R040168 |
Ideal Chemistry: Fe2+3Al2(SiO4)3 |
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Locality: Pocos Dos Cavatos, Ceara, Brazil Source: University of Arizona Mineral Museum 16323 Owner: RRUFF Description: Dark red etched 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 Almandine samples (14) ] | ||||||||||
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Almandine RRUFF ID: R050029 |
Ideal Chemistry: Fe2+3Al2(SiO4)3 |
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Locality: Barton Garnet mine, Gore Mountain, Warren County, New York, USA Source: University of Arizona Mineral Museum 4307 Owner: RRUFF Description: Reddish brown 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 Almandine samples (14) ] | ||||||||||
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Almandine RRUFF ID: X050009 |
Ideal Chemistry: Fe2+3Al2(SiO4)3 |
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Locality: Riverside County, California, USA Source: George R. Rossman GRR-943 Owner: George R. Rossman Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Almandine samples (14) ] | ||||||||||
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Almandine RRUFF ID: X050010 |
Ideal Chemistry: Fe2+3Al2(SiO4)3 |
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Locality: Wrangel, Alaska, USA Source: George R. Rossman GRR-1056 Owner: George R. Rossman Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Almandine samples (14) ] | ||||||||||
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Almandine RRUFF ID: X050011 |
Ideal Chemistry: Fe2+3Al2(SiO4)3 |
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Locality: Rutherford #2 mine, Amelia, Virginia, USA Source: George R. Rossman GRR-43 Owner: George R. Rossman Description: Almandine-spessartine join Status: The identification of this mineral has been determined by Raman spectroscopy and chemical analysis |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Almandine samples (14) ] | ||||||||||
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Almandine RRUFF ID: R060099 |
Ideal Chemistry: Fe2+3Al2(SiO4)3 |
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Locality: Alaska, USA Source: Roland Boehne Owner: RRUFF Description: Red cube shaped 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: [ garnet (97) ] | ||||||||||
| Quick search: [ All Almandine samples (14) ] | ||||||||||
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Almandine RRUFF ID: R060450 |
Ideal Chemistry: Fe2+3Al2(SiO4)3 |
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Locality: Canada Source: Gemological Institute of America 16606 Owner: RRUFF Description: Reddish-brown translucent 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 Almandine samples (14) ] | ||||||||||
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Almandine RRUFF ID: R070129 |
Ideal Chemistry: Fe2+3Al2(SiO4)3 |
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Locality: Wrangell, Wrangell Island, Wrangell-Petersburg Borough, Alaska, USA Source: Michael Scott S100422 Owner: Michael Scott Description: Dark red well-formed dodecahedral crystals in schist 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 Almandine samples (14) ] | ||||||||||
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Almandine RRUFF ID: R100046 |
Ideal Chemistry: Fe2+3Al2(SiO4)3 |
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Locality: Altai, Xinjiang Province, China Source: William W Pinch Owner: RRUFF Description: Red trapezohedron 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 Almandine samples (14) ] | ||||||||||
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Almandine RRUFF ID: R120145 |
Ideal Chemistry: Fe2+3Al2(SiO4)3 |
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Locality: Zagi Mountain, Hameed Abad Kafoor Dheri, Peshawar, Khyber Pakhtunkhwa, Pakistan Source: Ikram Mineralogy Owner: RRUFF Description: Brown crystal fragment 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 Almandine samples (14) ] | ||||||||||
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Almandine RRUFF ID: R120152 |
Ideal Chemistry: Fe2+3Al2(SiO4)3 |
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Locality: The garnet schist, Roxbury, Litchfield County, Connecticut, USA Source: Eric Van Valkenburg Owner: RRUFF Description: Dark brown dodecahedra 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 Almandine samples (14) ] | ||||||||||
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Almandine RRUFF ID: R190023 |
Ideal Chemistry: Fe2+3Al2(SiO4)3 |
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Locality: Bella Vista mine, Mitkof Island, Alexander Archipelago, Alaska, USA Source: Robert Downs Owner: RRUFF Description: Red vitreous crystals in schist matrix Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Almandine samples (14) ] | ||||||||||
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Alpha-D lactose monohydrate RRUFF ID: D120008 |
Ideal Chemistry: C12H24O12 |
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Locality: Synthetic from Aldrich Source: David Blake Owner: RRUFF Description: Fine white powder. Alpha-D lactose monohydrate is an excipient added to many pills. Status: The identification of this mineral is not yet confirmed. |
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AlSO4(OH) RRUFF ID: R141118 |
Ideal Chemistry: AlSO4(OH) |
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Locality: Only one crystal was synthesized hydrothermally at 700°C and ~1.0 GPa. Source: Alan J. Anderson Owner: RRUFF Description: Prismatic colorless crystal mounted in super glue. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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Alstonite RRUFF ID: R050483 |
Ideal Chemistry: BaCa(CO3)2 |
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Locality: Minerva #1 mine, Cave-in-Rock, Hardin County, Illinois, USA Source: California Institute of Technology 7890 Owner: RRUFF Description: Aggregate of colorless pyramidal crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Alstonite (2) ] | ||||||||||
| Quick search: [ All Alstonite samples (2) ] | ||||||||||
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Alstonite RRUFF ID: R090049 |
Ideal Chemistry: BaCa(CO3)2 |
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Locality: Admiralty flats, Haggs mine, Nentsberry, Cumbria, England Source: Bob Jenkins Owner: RRUFF Description: Clusters of colorless pyramidal crystals. We have posted cell parameters that match those in the literature, but do not represent the correct cell. The crystals are twinned. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Alstonite (2) ] | ||||||||||
| Quick search: [ All Alstonite samples (2) ] | ||||||||||
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Altaite RRUFF ID: R060939 |
Ideal Chemistry: Pb2+Te2- |
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Locality: 870 Level, Mattagami mine, Matagami, Quebec, Canada Source: Michael Scott S100891 Owner: Michael Scott Description: Gray metallic crystals with excellent cleavage Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Rocksalt (18) ] | ||||||||||
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Alterite RRUFF ID: R180005 |
Ideal Chemistry: Zn2+2Fe3+4(S6+O4)4((C2)6+O4)2(OH)4·17H2O |
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Locality: Near Marble Canyon, Coconino County, Arizona, USA Source: Malcom Alter Owner: RRUFF Description: Isolated or aggregates of pale-yellow green prismatic crystals on petrified wood, associated with gypsum and alunogen. This is the type sample. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Groups: [ Alterite (2) ] [ Oxalate (13) ] | ||||||||||
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Althausite RRUFF ID: R070113 |
Ideal Chemistry: Mg4(PO4)2(OH,O)(F,◻) |
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Locality: Tingelstadtjern, Modum, Norway Source: Bob Jenkins Owner: RRUFF Description: Colorless platy crystals associated with R060710 holtedahlite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
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Alum-(K) RRUFF ID: R040134 |
Ideal Chemistry: KAl(S6+O4)2·12H2O |
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Locality: Alunite mine, Esmeralda County, Nevada, USA Source: University of Arizona Mineral Museum 9391 Owner: RRUFF Description: Colorless coarsely crystalline massive Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Alum (5) ] | ||||||||||
| Quick search: [ All Alum-(K) samples (3) ] | ||||||||||
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Alum-(K) RRUFF ID: R060014 |
Ideal Chemistry: KAl(S6+O4)2·12H2O |
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Locality: Tolfa, Italy Source: American Museum of Natural History 16802 Owner: RRUFF Description: Colorless fragment Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Group: [ Alum (5) ] | ||||||||||
| Quick search: [ All Alum-(K) samples (3) ] | ||||||||||
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Alum-(K) RRUFF ID: R060528 |
Ideal Chemistry: KAl(S6+O4)2·12H2O |
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Locality: El Desierto mine fumaroles, Potosí, Bolivia Source: Michael Scott S100782 Owner: Michael Scott Description: Colorless thin tabular crystals associated with yellow sulfur and colorless tamarugite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Alum (5) ] | ||||||||||
| Quick search: [ All Alum-(K) samples (3) ] | ||||||||||
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Alum-(Na) RRUFF ID: R110204 |
Ideal Chemistry: NaAl(S6+O4)2·12H2O |
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Locality: Flux mine, near Patagonia, Arizona Source: Gordon W Downs Owner: RRUFF Description: Colorless ram's horn Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Alum (5) ] | ||||||||||
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Aluminite RRUFF ID: R060691 |
Ideal Chemistry: Al2S6+O4(OH)4·7H2O |
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Locality: Newhaven, East Sussex, England, United Kingdom Source: Michael Scott S101225 Owner: Michael Scott Description: Nodular masses of white fibers Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Aluminite (1) ] | ||||||||||
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Aluminium RRUFF ID: R070230 |
Ideal Chemistry: Al |
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Locality: Mud Volcano, Bulla Apsheren penninsula, Caspian Sea, Qobustan (Gobustan; Kobustan) Rayonu, Azerbaijan Source: Michael Scott S103000 Owner: Michael Scott Description: Metallic gray blebs in matrix embedded in epoxy, no Raman activity because of crystal symmetry Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Copper (13) ] | ||||||||||
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Alumohydrocalcite RRUFF ID: R061067 |
Ideal Chemistry: CaAl2(CO3)2(OH)4·3H2O |
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Locality: Lubom'ra, Czech Republic Source: Michael Scott S100395 Owner: Michael Scott Description: White fibers in flowing radial aggregates Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Alumohydrocalcite (2) ] | ||||||||||
| Quick search: [ All Alumohydrocalcite samples (2) ] | ||||||||||
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Alumohydrocalcite RRUFF ID: R070516 |
Ideal Chemistry: CaAl2(CO3)2(OH)4·3H2O |
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Locality: Mount Hamiliton, Santa Clara County, California, USA Source: James Shigley Owner: RRUFF Description: Radial aggregates of light pink fibers associated with green massive dolomite Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Alumohydrocalcite (2) ] | ||||||||||
| Quick search: [ All Alumohydrocalcite samples (2) ] | ||||||||||
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Alumoklyuchevskite RRUFF ID: R070041 |
Ideal Chemistry: K3Cu2+3AlO2(S6+O4)4 |
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Locality: main fracture, N breakthrough, Tolbachik Volcano, Kamchatka Peninsula, Russia Source: Michael Scott S105109 Owner: RRUFF Description: Green blebs to prismatic or needle-like crystals associated with vergasovaite, co-type material Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Klyuchevskite (2) ] | ||||||||||
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Alunite RRUFF ID: R060430 |
Ideal Chemistry: KAl3(S6+O4)2(OH)6 |
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Locality: Wendy Pit, El Indio Gold mine, Tambo, Coquimbo District, Chile Source: Michael Scott S100144 Owner: RRUFF Description: Colorless transparent hexagonal plates Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Alunite samples (2) ] | ||||||||||
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Alunite RRUFF ID: R070448 |
Ideal Chemistry: KAl3(S6+O4)2(OH)6 |
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Locality: Veta del Medio, Inca del Oro, Chile Source: Bob Jenkins Owner: RRUFF Description: Yellow tabular rhombohedra scattered over matrix Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Quick search: [ All Alunite samples (2) ] | ||||||||||
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Alunogen RRUFF ID: R060015 |
Ideal Chemistry: Al2(S6+O4)3(H2O)12·5H2O |
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Locality: Saxony, Germany Source: American Museum of Natural History 16646 Owner: RRUFF Description: Colorless compact mass of fibers, along with some sprays of acicular single crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Alunogen samples (2) ] | ||||||||||
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Alunogen RRUFF ID: R070601 |
Ideal Chemistry: Al2(S6+O4)3(H2O)12·5H2O |
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Locality: Alum Grotto, Vulcano Island, Aeolian Islands, Messina, Sicily, Italy Source: James Shigley Owner: RRUFF Description: Granular aggregates of white microcrystals associated with light tan to light purple coquimbite. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Alunogen samples (2) ] | ||||||||||
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Amarantite RRUFF ID: R050153 |
Ideal Chemistry: Fe3+2O(S6+O4)2·7H2O |
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Locality: Paposo, Antofagasta, Chile Source: Jim McGlasson Owner: RRUFF Description: Aggregate of red radiating platy crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Amarantite (1) ] | ||||||||||
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Amber RRUFF ID: R060569 |
Ideal Chemistry: |
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Locality: Baltic Sea Region, Poland Source: Michael Scott S100337 Owner: RRUFF Description: Reddish-brown amorphous fragment Status: The identification of this mineral is not yet confirmed. |
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Amblygonite RRUFF ID: R040006 |
Ideal Chemistry: LiAlPO4F |
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Locality: Pala, San Diego County, California, USA Source: University of Arizona Mineral Museum 4801 Owner: RRUFF Description: Light gray coarsely crystalline massive Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Amblygonite samples (3) ] | ||||||||||
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Amblygonite RRUFF ID: R040067 |
Ideal Chemistry: LiAlPO4F |
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Locality: Montebras, France Source: University of Arizona Mineral Museum 4802 Owner: RRUFF Description: Pale blue fine-grained massive, associated with wavellite Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Amblygonite samples (3) ] | ||||||||||
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Amblygonite RRUFF ID: X050012 |
Ideal Chemistry: LiAlPO4F |
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Locality: Minas Gerais, Brazil Source: RD Shannon 56163- 54 Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Quick search: [ All Amblygonite samples (3) ] | ||||||||||
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Ameghinite RRUFF ID: R060643 |
Ideal Chemistry: NaB3O3(OH)4 |
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Locality: Tinkalayu mine, Salar del Hombre Muerto, Salta province, Argentina Source: Michael Scott S100815 Owner: RRUFF Description: Colorless glassy Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
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Amesite RRUFF ID: R070132 |
Ideal Chemistry: Mg2Al(AlSiO5)(OH)4 |
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Locality: Saranovskii mine, Saranovskaya Village, Gornozavodskii area, Permskaya Oblast', Middle Urals, Russia Source: Michael Scott S100414 Owner: RRUFF Description: Purple transparent hexagonal prisms, polytype 2H2 Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Groups: [ Clay (86) ] [ serpentine (12) ] | ||||||||||
| Quick search: [ All Amesite samples (2) ] | ||||||||||
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Amesite RRUFF ID: R070116 |
Ideal Chemistry: Mg2Al(AlSiO5)(OH)4 |
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Locality: Saranovskii Mine (Saranovskoye), Saranovskaya (Sarany; Saranje) Village, Gorozavod area, Permskaya Oblast', Urais Region, Russia Source: Michael Scott S100416 Owner: RRUFF Description: Purple thin micaceous crystals, not a standard polytype, see Wiewiora et al (Am Min 76 (1991) 647-652) Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Groups: [ Clay (86) ] [ serpentine (12) ] | ||||||||||
| Quick search: [ All Amesite samples (2) ] | ||||||||||
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Amicite RRUFF ID: R080066 |
Ideal Chemistry: K2Na2(Si4Al4O16)·5H2O |
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Locality: Kirovski Drive, Khibiny, Kola Peninsula, Russia Source: Michael Scott S100673 Owner: RRUFF Description: Colorless pseudo-octahedral crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Gismondine (3) ] | ||||||||||
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Aminoffite RRUFF ID: R100055 |
Ideal Chemistry: Ca3(BeOH)2Si3O10 |
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Locality: Langban, Filipstad, Varmland, Sweden Source: William W Pinch Owner: RRUFF Description: Colorless transparent tetragonal pyramids with basal terminations, co-type sample from Harvard Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
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Ammineite RRUFF ID: R120154 |
Ideal Chemistry: Cu2+Cl2(N3-H3)2 |
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Locality: Rowley mine, Maricopa County, Arizona, USA Source: Ron Gibbs Owner: RRUFF Description: Blue massive coating Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Ammineite samples (2) ] | ||||||||||
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Ammineite RRUFF ID: R120155 |
Ideal Chemistry: Cu2+Cl2(N3-H3)2 |
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Locality: Caleta Pabellon de Pica, Punta Colina, Iquique, I Region, Chile Source: Marcus Origlieri Owner: RRUFF Description: Blue massive to granular associated with colorless halite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Ammineite samples (2) ] | ||||||||||
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Ammonioalunite RRUFF ID: R060873 |
Ideal Chemistry: N3-H4Al3(S6+O4)2(OH)6 |
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Locality: Schöller mine, Kladno, Central Bohemia Region, Bohemia, Czech Republic Source: Michael Scott S101298 Owner: RRUFF Description: Tan colored fine-grained consolidated fragments Status: The identification of this mineral has been made only by X-ray diffraction. |
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| Mineral Groups: [ alunite (46) ] [ Alunite (20) ] | ||||||||||
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Ammoniojarosite RRUFF ID: R060408 |
Ideal Chemistry: N3-H4Fe3+3(S6+O4)2(OH)6 |
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Locality: Wamsutter, Sweetwater County, Wyoming, USA Source: American Museum of Natural History 31246 Owner: RRUFF Description: Tan colored fine-grained massive, intimately associated with quartz Status: The identification of this mineral is not yet confirmed. |
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| Mineral Groups: [ alunite (46) ] [ Alunite (20) ] | ||||||||||
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Ammonioleucite RRUFF ID: R060104 |
Ideal Chemistry: (N3-H4)AlSi2O6 |
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Locality: Tatarazawa Quarry, Fujioka Gunma Prefecture, Hunho Island, Japan Source: University of Arizona Mineral Museum 16277 Owner: RRUFF Description: White powder associated with colorless analcime Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Analcime (11) ] | ||||||||||
)
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Ammoniomagnesiovoltaite RRUFF ID: R130079 |
Ideal Chemistry: (N3-H4)2Mg5Fe3+3Al(S6+O4)12·18H2O |
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Locality: Pécs-Vasas, Mecsek Mountains, South Hungary Source: Sándor Szakall Owner: Herman Ottó Museum (Miskolc, Hungary) Description: Translucent, pale yellow to yellowish brown crusts. Closely associated with tschermigite, sabieite, kieserite, pickeringite, and hexahydrite. Data from Szakall et al (2012) Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Voltaite (3) ] | ||||||||||
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Ammoniomathesiusite RRUFF ID: R200003 |
Ideal Chemistry: (N3-H4)5(U6+O2)4(S6+O4)4(V5+O5)·4H2O |
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Locality: Burro mine, Slick Rock, Colorado, USA Source: Travis Olds Owner: RRUFF Description: Yellow-green tetragonal prismatic crystals, associated with needles of gypsum Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Mathesiusite (1) ] | ||||||||||
)
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Amphibole RRUFF ID: R110203 |
Ideal Chemistry: |
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Locality: Bear Lake diggings, Tory Hill, Monmounth Township, Haliburton Co., Ontario, Canada Source: Donald Doell Owner: RRUFF Description: Black hexagonal prism, note that amphiboles from here are characterized by Hawthorne et al (2006) Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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)
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Analcime RRUFF ID: R040128 |
Ideal Chemistry: NaAlSi2O6·H2O |
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Locality: Mont Saint-Hilaire, Rouville County, Quebec, Canada Source: Bob Downs Owner: RRUFF Description: White trapezohedra associated with black arfvedsonite, R040127 Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Analcime (11) ] | ||||||||||
| Quick search: [ All Analcime samples (4) ] | ||||||||||
)
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Analcime RRUFF ID: R050094 |
Ideal Chemistry: NaAlSi2O6·H2O |
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Locality: Springfield, Oregon, USA Source: Rock Currier Owner: RRUFF Description: Clear colorless single crystals associated with gmelinite Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Analcime (11) ] | ||||||||||
| Quick search: [ All Analcime samples (4) ] | ||||||||||
)
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Analcime RRUFF ID: R060023 |
Ideal Chemistry: NaAlSi2O6·H2O |
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Locality: Dallas, Oregon, USA Source: Bob Downs Owner: RRUFF Description: White trapezohedral crystal associated with levyne-Na, R060021 Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Analcime (11) ] | ||||||||||
| Quick search: [ All Analcime samples (4) ] | ||||||||||
)
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Analcime RRUFF ID: R120095 |
Ideal Chemistry: NaAlSi2O6·H2O |
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Locality: Daye area, Hubei, China Source: Robert Lavinsky Owner: RRUFF Description: Colorless trapezohedra Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Analcime (11) ] | ||||||||||
| Quick search: [ All Analcime samples (4) ] | ||||||||||
)
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Anapaite RRUFF ID: R050510 |
Ideal Chemistry: Ca2Fe2+(PO4)2·4H2O |
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Locality: Prats-Sampsor, Spain Source: University of Arizona Mineral Museum 1437 Owner: RRUFF Description: Pale green tabular crystals lining fractured rock. Probe photo shows two phases. This sample is the lighter phase in the probe photo. Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Anapaite samples (2) ] | ||||||||||
)
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Anapaite RRUFF ID: R141081 |
Ideal Chemistry: Ca2Fe2+(PO4)2·4H2O |
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Locality: Messel mine, Messel, Darmstadt, Hesse, Germany Source: Rock Currier Owner: RRUFF Description: Pale green to colorless subparallel aggregates. Associated with messelite (R140175) and pyrite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Anapaite samples (2) ] | ||||||||||
)
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Anatase RRUFF ID: R060277 |
Ideal Chemistry: Ti4+O2 |
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Locality: Taftan, near Dalbandi, Baluchistan Province, Pakistan Source: Herb Obodda 064 Owner: RRUFF Description: Dark brown tetragonal tabular crystals Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Anatase samples (4) ] | ||||||||||
)
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Anatase RRUFF ID: R070582 |
Ideal Chemistry: Ti4+O2 |
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Locality: Asker, Akershus, Norway Source: James Shigley Owner: RRUFF Description: Dark dipyramidal crystals on albite matrix Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Anatase samples (4) ] | ||||||||||
)
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Anatase RRUFF ID: R120013 |
Ideal Chemistry: Ti4+O2 |
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Locality: Governor's Lake pegmatite, Halifax County, Nova Scotia, Canada Source: Donald Doell Owner: RRUFF Description: Black tabular crystals associated with metatorbernite R120014 Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Anatase samples (4) ] | ||||||||||
)
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Anatase RRUFF ID: R120064 |
Ideal Chemistry: Ti4+O2 |
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Locality: East Kemptville Tin mine, East Kemptville, Argyle, Yarmouoth Co., Nova Scotia, Canada Source: Donald Doell Owner: RRUFF Description: Black tabular crystals, associated with R120065, parisite-(Ce) Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Anatase samples (4) ] | ||||||||||
)
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Ancylite-(Ce) RRUFF ID: R060218 |
Ideal Chemistry: Ce3+Sr(CO3)2(OH)·H2O |
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Locality: Mont Saint-Hilaire, Rouville County, Quebec, Canada Source: Royal Ontario Museum M40089 Owner: RRUFF Description: Pale pink prismatic crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Ancylite (6) ] | ||||||||||
)
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Andalusite RRUFF ID: R050258 |
Ideal Chemistry: Al2SiO5 |
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Locality: Bautista Canyon, near Hemet, Riverside County, California, USA Source: Marcus Origlieri Owner: RRUFF Description: Brown fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Andalusite (17) ] | ||||||||||
| Quick search: [ All Andalusite samples (6) ] | ||||||||||
)
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Andalusite RRUFF ID: R050449 |
Ideal Chemistry: Al2SiO5 |
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Locality: Itinga, Minas Gerais, Brazil Source: Marcus Origlieri Owner: RRUFF Description: Green fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Andalusite (17) ] | ||||||||||
| Quick search: [ All Andalusite samples (6) ] | ||||||||||
)
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Andalusite RRUFF ID: R050561 |
Ideal Chemistry: Al2SiO5 |
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Locality: Cargo Muchacho Mountain, Imperial County, California Source: Dave Bunk Minerals Owner: RRUFF Description: Brown coarsely crystalline massive Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Andalusite (17) ] | ||||||||||
| Quick search: [ All Andalusite samples (6) ] | ||||||||||
)
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Andalusite RRUFF ID: R050626 |
Ideal Chemistry: Al2SiO5 |
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Locality: Minas Gerais, Brazil Source: Gemological Center Owner: RRUFF Description: Grayish brown fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Andalusite (17) ] | ||||||||||
| Quick search: [ All Andalusite samples (6) ] | ||||||||||
)
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Andalusite RRUFF ID: R060197 |
Ideal Chemistry: Al2SiO5 |
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Locality: Brazil Source: Marcus Origlieri Owner: RRUFF Description: Green colored water worn pebble Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Andalusite (17) ] | ||||||||||
| Quick search: [ All Andalusite samples (6) ] | ||||||||||
)
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Andalusite RRUFF ID: R060212 |
Ideal Chemistry: Al2SiO5 |
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Locality: Brazil Source: Marcus Origlieri Owner: RRUFF Description: Transparent yellow-green water-worn pebble Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Andalusite (17) ] | ||||||||||
| Quick search: [ All Andalusite samples (6) ] | ||||||||||
)
|
Andersonite RRUFF ID: R080133 |
Ideal Chemistry: Na2Ca(U6+O2)(CO3)3·5-6H2O |
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Locality: Monte Cristo mine, Cane Springs Canyon, near Moab, Grand County, Utah, USA Source: James Shigley Owner: RRUFF Description: Bright yellowish green platy to granular crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
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Andesine RRUFF ID: X050013 |
Ideal Chemistry: Na0.7-0.5Ca0.3-0.5Al1.3-1.5Si2.7-2.5O8 |
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Locality: Cima Volcanics, San Bernardino County, California, USA Source: George R. Rossman GRR-1604 Owner: George R. Rossman Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ feldspar (62) ] | ||||||||||
)
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Andradite RRUFF ID: R040001 |
Ideal Chemistry: Ca3Fe3+2(SiO4)3 |
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Locality: Stanley Butte, Graham County, Arizona, USA Source: University of Arizona Mineral Museum 12923 Owner: RRUFF Description: Brownish-orange dodecahedra 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 Andradite samples (14) ] | ||||||||||
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Andradite RRUFF ID: X050015 |
Ideal Chemistry: Ca3Fe3+2(SiO4)3 |
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Locality: Val Malenco, Italy Source: RD Shannon 56163- 138 Owner: Caltech Description: var. Dematoid Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Andradite samples (14) ] | ||||||||||
)
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Andradite RRUFF ID: R050256 |
Ideal Chemistry: Ca3Fe3+2(SiO4)3 |
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Locality: Franklin, Sussex County, New Jersey, USA Source: Marcus Origlieri Owner: RRUFF Description: Reddish brown 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 Andradite samples (14) ] | ||||||||||
)
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Andradite RRUFF ID: R050311 |
Ideal Chemistry: Ca3Fe3+2(SiO4)3 |
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Locality: Calaveras County, California, USA Source: Eugene Schlepp Owner: RRUFF Description: Deep red 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 Andradite samples (14) ] | ||||||||||
)
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Andradite RRUFF ID: R050377 |
Ideal Chemistry: Ca3Fe3+2(SiO4)3 |
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Locality: Zlatoust District, South Urals, Russia Source: University of Arizona Mineral Museum 2983 Owner: RRUFF Description: Dark red cubes 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 Andradite samples (14) ] | ||||||||||
)
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Andradite RRUFF ID: R060358 |
Ideal Chemistry: Ca3Fe3+2(SiO4)3 |
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Locality: Soghan, near Jiroft, Kerman, Iran Source: Herb Obodda 010 Owner: RRUFF Description: Green 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 Andradite samples (14) ] | ||||||||||
)
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Andradite RRUFF ID: R060350 |
Ideal Chemistry: Ca3Fe3+2(SiO4)3 |
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Locality: south of the Gem mine, southern San Benito County, California, USA Source: Michael Scott S100023 Owner: RRUFF Description: Cluster of black vitreous crystals showing well-developed faces 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 Andradite samples (14) ] | ||||||||||
)
|
Andradite RRUFF ID: R060326 |
Ideal Chemistry: Ca3Fe3+2(SiO4)3 |
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Locality: Ultevis, Sweden Source: Marcus Origlieri Owner: RRUFF Description: Reddish-brown colored druse of crystals associated with white svabite R050180 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 Andradite samples (14) ] | ||||||||||
)
|
Andradite RRUFF ID: R060423 |
Ideal Chemistry: Ca3Fe3+2(SiO4)3 |
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Locality: Mali Source: Greg Schmidt Owner: RRUFF Description: Black 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 Andradite samples (14) ] | ||||||||||
)
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Andradite RRUFF ID: R060449 |
Ideal Chemistry: Ca3Fe3+2(SiO4)3 |
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Locality: Namibia Source: Gemological Institute of America 31344 Owner: RRUFF Description: Blue fragment, variety demantoid 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 Andradite samples (14) ] | ||||||||||
)
|
Andradite RRUFF ID: R070722 |
Ideal Chemistry: Ca3Fe3+2(SiO4)3 |
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Locality: Otjosondu, Namibia Source: Royal Ontario Museum M42909 Owner: RRUFF Description: Dark red-brown to orange semi-transparent druse of 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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| Mineral Group: [ garnet (97) ] | ||||||||||
| Quick search: [ All Andradite samples (14) ] | ||||||||||
)
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Andradite RRUFF ID: R100049 |
Ideal Chemistry: Ca3Fe3+2(SiO4)3 |
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Locality: Langban, Filipstad, Varmland, Sweden Source: William W Pinch Owner: RRUFF Description: Yellowish orange transparent crystals associated with phenakite 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 Andradite samples (14) ] | ||||||||||
)
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Andradite RRUFF ID: R100138 |
Ideal Chemistry: Ca3Fe3+2(SiO4)3 |
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Locality: Madagascar Source: William W. Pinch Owner: RRUFF Description: Colorless 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 Andradite samples (14) ] | ||||||||||
)
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Andradite RRUFF ID: R120004 |
Ideal Chemistry: Ca3Fe3+2(SiO4)3 |
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Locality: Chifeng, Inner Mongolia Source: Jack Lowell Owner: RRUFF Description: Dark green dodecahedral crystals overlying pale green diopside R120003 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 Andradite samples (14) ] | ||||||||||
)
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Anglesite RRUFF ID: R040004 |
Ideal Chemistry: Pb2+S6+O4 |
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Locality: Erupcion mine, Los Lamentos, Chihuahua, Mexico Source: University of Arizona Mineral Museum 7726 Owner: RRUFF Description: Tan colored tabular crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Baryte (18) ] | ||||||||||
| Quick search: [ All Anglesite samples (3) ] | ||||||||||
)
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Anglesite RRUFF ID: R050052 |
Ideal Chemistry: Pb2+S6+O4 |
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Locality: Touissite, Oujela, Morocco Source: Eugene Schlepp Owner: RRUFF Description: Yellow prismatic single crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Baryte (18) ] | ||||||||||
| Quick search: [ All Anglesite samples (3) ] | ||||||||||
)
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Anglesite RRUFF ID: R050408 |
Ideal Chemistry: Pb2+S6+O4 |
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Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia Source: California Institute of Technology W-13 Owner: RRUFF Description: Pale yellow fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Baryte (18) ] | ||||||||||
| Quick search: [ All Anglesite samples (3) ] | ||||||||||
)
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Anhydrite RRUFF ID: R040012 |
Ideal Chemistry: CaS6+O4 |
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Locality: Moundhouse, Nevada, USA Source: University of Arizona Mineral Museum 7792 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: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Anhydrite samples (4) ] | ||||||||||
)
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Anhydrite RRUFF ID: R040061 |
Ideal Chemistry: CaS6+O4 |
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Locality: Chester County, Pennsylvania, USA Source: University of Arizona Mineral Museum 6088 Owner: RRUFF Description: Pale purple fractured single crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Anhydrite samples (4) ] | ||||||||||
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Anhydrite RRUFF ID: X050017 |
Ideal Chemistry: CaS6+O4 |
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Locality: Yerington, Nevada, 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: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Anhydrite samples (4) ] | ||||||||||
)
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Anhydrite RRUFF ID: R061102 |
Ideal Chemistry: CaS6+O4 |
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Locality: Taft, Kern County, California Source: Michael Scott S103078 Owner: RRUFF Description: White massive with crystalline gypsum Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
| Quick search: [ All Anhydrite samples (4) ] | ||||||||||
)
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Anilite RRUFF ID: R060514 |
Ideal Chemistry: Cu7S4 |
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Locality: Villamanin, Carmenes District, Leon Province, Spain Source: Michael Scott S100193 Owner: RRUFF Description: Steel gray platy coating on tan colored dolomite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Digenite (3) ] | ||||||||||
| Quick search: [ All Anilite samples (2) ] | ||||||||||
)
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Anilite RRUFF ID: R060688 |
Ideal Chemistry: Cu7S4 |
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Locality: Horai Halze bei Medenec, Erzgebirge, Czech Republic Source: Michael Scott S101294 Owner: RRUFF Description: Black metallic massive; associated with malachite Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Digenite (3) ] | ||||||||||
| Quick search: [ All Anilite samples (2) ] | ||||||||||
)
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Ankerite RRUFF ID: R050181 |
Ideal Chemistry: CaFe2+(CO3)2 |
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Locality: Cerro Sapo, Cochabamba Department, Bolivia Source: Marcus Origlieri Owner: RRUFF Description: White coarsely crystalline massive Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Ankerite samples (4) ] | ||||||||||
)
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Ankerite RRUFF ID: R050197 |
Ideal Chemistry: CaFe2+(CO3)2 |
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Locality: Brownley Hill mine, Nenthead, Cumbria, England Source: Marcus Origlieri Owner: RRUFF Description: Curved saddle-shaped rhombohedral crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Ankerite samples (4) ] | ||||||||||
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