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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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Kyanite RRUFF ID: R050450 |
Ideal Chemistry: Al2OSiO4 |
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Locality: Switzerland Source: Marcus Origlieri Owner: RRUFF Description: Blue bladed 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 Kyanite samples (4) ] | ||||||||||
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Kyanite RRUFF ID: R100139 |
Ideal Chemistry: Al2OSiO4 |
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Locality: Madagascar Source: William W. Pinch Owner: RRUFF Description: Blue prismatic crystal fragment, slightly water-worn 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 Kyanite samples (4) ] | ||||||||||
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Kyanite RRUFF ID: R100159 |
Ideal Chemistry: Al2OSiO4 |
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Locality: Tanzania Source: William W. Pinch Owner: RRUFF Description: Reddish-orange cut gemstone 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 Kyanite samples (4) ] | ||||||||||
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Laachite RRUFF ID: R141091 |
Ideal Chemistry: (Ca,Mn2+)2Zr4+2Nb5+2Ti4+Fe2+O14 |
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Locality: In den Dellen, Laach lake volcano, Mendig, Eifel, Germany Source: Ch. and H. Schäfer Owner: RRUFF Description: Prismatic red-brown crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Zirconolite (1) ] | ||||||||||
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Labradorite RRUFF ID: X050108 |
Ideal Chemistry: Na0.5-0.3Ca0.5-0.7Al1.5-1.7Si2.5-2.3O8 |
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Locality: Pinacate Mountains, Sonora, Mexico Source: G.R. Rossman 25 Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ feldspar (62) ] | ||||||||||
| Quick search: [ All Labradorite samples (4) ] | ||||||||||
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Labradorite RRUFF ID: X050110 |
Ideal Chemistry: Na0.5-0.3Ca0.5-0.7Al1.5-1.7Si2.5-2.3O8 |
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Locality: Sunstone Collecting area, Rabbit Hills, Oregon, USA Source: G.R. Rossman 1613 Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ feldspar (62) ] | ||||||||||
| Quick search: [ All Labradorite samples (4) ] | ||||||||||
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Labradorite RRUFF ID: X050111 |
Ideal Chemistry: Na0.5-0.3Ca0.5-0.7Al1.5-1.7Si2.5-2.3O8 |
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Locality: Clear Lake, Lake View, Oregon, USA Source: G.R. Rossman 289 Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ feldspar (62) ] | ||||||||||
| Quick search: [ All Labradorite samples (4) ] | ||||||||||
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Labradorite RRUFF ID: X050189 |
Ideal Chemistry: Na0.5-0.3Ca0.5-0.7Al1.5-1.7Si2.5-2.3O8 |
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Locality: Rabbit Hills, Lake County, Oregon, USA Source: G.R. Rossman 607 Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ feldspar (62) ] | ||||||||||
| Quick search: [ All Labradorite samples (4) ] | ||||||||||
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Labuntsovite-Mg RRUFF ID: R130550 |
Ideal Chemistry: Na4K4Mg2Ti4+8O4(Si4O12)4(OH)4·10-12H2O |
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Locality: Kovdor Zheleznyi mine, Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Source: Don Doell Owner: RRUFF Description: Prismatic orange crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ labuntsovite (11) ] | ||||||||||
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Labuntsovite-Mn RRUFF ID: R110169 |
Ideal Chemistry: Na4K4Mn2+2Ti4+8O4(Si4O12)4(OH)4·10-12H2O |
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Locality: Mont St-Hilaire, Quebec, Canada Source: Donald V Doell Owner: RRUFF Description: Brownish-red bladed crystals associated with albite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ labuntsovite (11) ] | ||||||||||
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Laihunite RRUFF ID: R110051 |
Ideal Chemistry: (Fe3+,Fe2+,◻)2SiO4 |
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Locality: Laihe Fe deposit, Qianshan District, Anshan Prefecture, Liaoning Province, China Source: Pingqu Fu Owner: RRUFF Description: Unconsolidated black subhedral grains. Type sample Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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Lammerite RRUFF ID: R060715 |
Ideal Chemistry: Cu2+3(As5+O4)2 |
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Locality: Guanaco, Antofagasta Province, Chile Source: Bob Jenkins Owner: RRUFF Description: Dark green tabular crystals associated with blue lavendulan, R060716, white quartz and barite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Lammerite samples (2) ] | ||||||||||
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Lammerite RRUFF ID: R140108 |
Ideal Chemistry: Cu2+3(As5+O4)2 |
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Locality: Veta Negra, Laurani District, Aroma Province, La Paz Department, Bolivia Source: Rock Currier Owner: RRUFF Description: Massive green on a matrix consisting of quartz and anatase Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Lammerite samples (2) ] | ||||||||||
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Lamprophyllite RRUFF ID: R070200 |
Ideal Chemistry: (SrNa)Ti4+2Na3Ti4+(Si2O7)2O2(OH)2 |
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Locality: Windy Boy Peak, Bearpaw Mountains, Hill County, Montana, USA Source: James Shigley Owner: RRUFF Description: Golden brown translucent platy massive associated with quartz Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Lamprophyllite (9) ] | ||||||||||
| Quick search: [ All Lamprophyllite samples (3) ] | ||||||||||
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Lamprophyllite RRUFF ID: R070284 |
Ideal Chemistry: (SrNa)Ti4+2Na3Ti4+(Si2O7)2O2(OH)2 |
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Locality: Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Source: Michael Scott S105823 Owner: RRUFF Description: Stellate groups of transparent brown bladed crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Lamprophyllite (9) ] | ||||||||||
| Quick search: [ All Lamprophyllite samples (3) ] | ||||||||||
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Lamprophyllite RRUFF ID: R130420 |
Ideal Chemistry: (SrNa)Ti4+2Na3Ti4+(Si2O7)2O2(OH)2 |
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Locality: Pocos de Caldas Plateau, Minas Gerais, Brazil Source: Gunnar Farber Owner: RRUFF Description: brownish-orange bladed crystals Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Lamprophyllite (9) ] | ||||||||||
| Quick search: [ All Lamprophyllite samples (3) ] | ||||||||||
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Lanarkite RRUFF ID: R080116 |
Ideal Chemistry: Pb2+2O(S6+O4) |
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Locality: Leadhills, Lanarkshire, Scotland Source: William W. Pinch Owner: RRUFF Description: Cream colored, elongated prismatic crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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Långbanite RRUFF ID: R050664 |
Ideal Chemistry: Mn2+4Mn3+9Sb5+O16(SiO4)2 |
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Locality: Langban, Filipstad, Varmland, Sweden Source: University of Arizona Mineral Museum 2232 Owner: RRUFF Description: Black metallic crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Långbanite samples (2) ] | ||||||||||
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Långbanite RRUFF ID: R100037 |
Ideal Chemistry: Mn2+4Mn3+9Sb5+O16(SiO4)2 |
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Locality: Langban, Filipstad, Varmland, Sweden Source: William W Pinch Owner: RRUFF Description: Black metallic blocky crystals associated with pale red rhodonite R100038 Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Långbanite samples (2) ] | ||||||||||
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Langbeinite RRUFF ID: R070285 |
Ideal Chemistry: K2Mg2(S6+O4)3 |
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Locality: Carlsbad, New Mexico, USA Source: Michael Scott S105519 Owner: RRUFF Description: Colorless to gray granular massive Status: The identification of this mineral has been made only by X-ray diffraction. |
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| Mineral Group: [ Langbeinite (1) ] | ||||||||||
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Langhofite RRUFF ID: R220023 |
Ideal Chemistry: Pb2+2(OH)[W6+O4(OH)] |
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Locality: Langban mine, Varmland, Sweden Source: Stefan and Markus Wiklund 21012 Owner: RRUFF Description: White platy crystals with adamantine luster and good cleavage, on top of greenish diopside matrix. Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
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Langite RRUFF ID: R060090 |
Ideal Chemistry: Cu2+4S6+O4(OH)6·2H2O |
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Locality: Allihies mine, County Cork, Ireland Source: University of Arizona Mineral Museum 12559 Owner: RRUFF Description: Blue skeletal prismatic crystals in snowflake-like groupings, associated with brochantite Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Langite samples (3) ] | ||||||||||
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Langite RRUFF ID: R070316 |
Ideal Chemistry: Cu2+4S6+O4(OH)6·2H2O |
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Locality: Drakewalls mine, Gunnislake, Callington District, Cornwall, England Source: James Shigley Owner: RRUFF Description: Pale greenish-blue tabular crystals associated with dark green brochantite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Langite samples (3) ] | ||||||||||
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Langite RRUFF ID: R120042 |
Ideal Chemistry: Cu2+4S6+O4(OH)6·2H2O |
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Locality: Dunbrack mine, Musquodoboit Harbour, Halifax County, Nova Scotia, Canada Source: Donald Doell Owner: RRUFF Description: Blue tabular crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Langite samples (3) ] | ||||||||||
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Lannonite RRUFF ID: R090036 |
Ideal Chemistry: HCa4Mg2Al4(S6+O4)8F9·32H2O |
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Locality: Lone Pine mine, Catron County, New Mexico, USA Source: Bob Jenkins Owner: RRUFF Description: Transparent colorless thin square tabular crystals on matrix Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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Lanthanite-(Ce) RRUFF ID: R230004 |
Ideal Chemistry: Ce3+2(CO3)3·8H2O |
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Locality: Tynebottom Mine, Cumbria, United Kingdom Source: Neil Hubbard Owner: RRUFF Description: Colorless platy crystals, associated with blue bridgesite-(Ce) (R230003). Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Group: [ Lanthanite (4) ] | ||||||||||
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Lanthanite-(Nd) RRUFF ID: R060467 |
Ideal Chemistry: Nd2(CO3)3·8H2O |
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Locality: Curitiba, Parana, Brazil Source: Michael Scott S100071 Owner: RRUFF Description: Pink 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: [ Lanthanite (4) ] | ||||||||||
| Quick search: [ All Lanthanite-(Nd) samples (3) ] | ||||||||||
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Lanthanite-(Nd) RRUFF ID: R060470 |
Ideal Chemistry: Nd2(CO3)3·8H2O |
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Locality: Santa Isabel, Sao Paulo State, Brazil Source: Michael Scott S100080 Owner: RRUFF Description: Purple platy aggregate Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Lanthanite (4) ] | ||||||||||
| Quick search: [ All Lanthanite-(Nd) samples (3) ] | ||||||||||
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Lanthanite-(Nd) RRUFF ID: R060993 |
Ideal Chemistry: Nd2(CO3)3·8H2O |
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Locality: Mitsukoshi, Hizen-cho, Karatsu City, Saga Prefecture, Japan Source: Marcus Origlieri Owner: RRUFF Description: Pink platy crystals and cleavages on rock. This sample was used in the structural study by Morrison et al (2013) Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Lanthanite (4) ] | ||||||||||
| Quick search: [ All Lanthanite-(Nd) samples (3) ] | ||||||||||
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Larderellite RRUFF ID: R130392 |
Ideal Chemistry: N3-H4B5O7(OH)2·H2O |
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Locality: Larderello Lagoon, Tuscany, Italy Source: Bob Jenkins (capsule), Rock Currier (rock piece) Owner: RRUFF Description: Soft, vitreous, opaque white botryoidal crust, in part altered on surface to off-white tiny granules of ammonioborite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Larderellite (1) ] | ||||||||||
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Larisaite RRUFF ID: R060879 |
Ideal Chemistry: Na(H3O)(U6+O2)3(Se4+O3)2O2·4H2O |
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Locality: Repete mine, San Juan County, Utah, USA Source: Michael Scott S100961 Owner: RRUFF Description: Flattened aggregate of greenish yellow platy crystals Status: The identification of this mineral has been made only by X-ray diffraction. |
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| Mineral Group: [ Guilleminite (3) ] | ||||||||||
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Larnite RRUFF ID: R070530 |
Ideal Chemistry: Ca2SiO4 |
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Locality: Larne, County Antrim, Northern Ireland, UK Source: Michael Scott S100407 Owner: RRUFF Description: Light gray massive 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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Lasalite RRUFF ID: R070476 |
Ideal Chemistry: Na2Mg2[V5+10O28]·20H2O |
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Locality: Vanadium Queen mine, Paradox Valley, San Juan County, Utah, USA Source: Dakota Matrix Minerals Owner: RRUFF Description: Orange massive Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Pascoite (5) ] | ||||||||||
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Laueite RRUFF ID: R060013 |
Ideal Chemistry: Mn2+Fe3+2(PO4)2(OH)2·8H2O |
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Locality: Hagendorf, Germany Source: University of Arizona Mineral Museum 16075 Owner: RRUFF Description: Orange prismatic crystals associated with what appears to be accicular ferristrunzite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Laueite (9) ] | ||||||||||
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Laumontite RRUFF ID: R040020 |
Ideal Chemistry: Ca(Si4Al2)O12·4H2O |
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Locality: Pine Creek Tungsten mine, Bishop, Inyo County, California, USA Source: University of Arizona Mineral Museum 10031 Owner: RRUFF Description: Pale gray long prism coated with smaller 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 Laumontite samples (2) ] | ||||||||||
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Laumontite RRUFF ID: R060114 |
Ideal Chemistry: Ca(Si4Al2)O12·4H2O |
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Locality: Pine Creek, Tungsten mine, Bishop, California, USA Source: University of Arizona Mineral Museum 9882 Owner: RRUFF Description: White colored elongated prismatic 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 Laumontite samples (2) ] | ||||||||||
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Laurelite RRUFF ID: R100011 |
Ideal Chemistry: Pb2+7F12Cl2 |
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Locality: Grand Reef mine, Klondyke, Aravaipa District, Graham County, Arizona, USA Source: William W. Pinch Owner: RRUFF Description: Both prismatic and acicular colorless crystals associated with aravaipaite R100032 and scotlandite R100043 Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Laurelite samples (2) ] | ||||||||||
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Laurelite RRUFF ID: R100035 |
Ideal Chemistry: Pb2+7F12Cl2 |
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Locality: Grand Reef mine, Klondyke, Aravaipa District, Graham County, Arizona, USA Source: Natural History Museum of Los Angeles County LACMNH 33608 Owner: RRUFF Description: Colorless fragments from the type specimen, associated with grandreefite R100012 and pseudograndreefite R100006. Photos of type specimen are courtesy of LACMNH. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Laurelite samples (2) ] | ||||||||||
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Laurionite RRUFF ID: R130788 |
Ideal Chemistry: Pb2+Cl(OH) |
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Locality: Pacha Limani, Laurion, Greece Source: Bob Jenkins Owner: RRUFF Description: Colorless prismatic crystals in a vug Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Laurionite samples (2) ] | ||||||||||
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Laurionite RRUFF ID: R140025 |
Ideal Chemistry: Pb2+Cl(OH) |
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Locality: Lavrion District, Attikí Prefecture, Greece Source: Rock Currier Owner: RRUFF Description: Colorless prismatic or bladed crystals. Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Quick search: [ All Laurionite samples (2) ] | ||||||||||
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Laurite RRUFF ID: R060309 |
Ideal Chemistry: Ru2+(S2)2- |
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Locality: Verkhneivinsk, Ural Mountains, Russia Source: Michael Scott S100242 Owner: RRUFF Description: Black colored metallic single crystal in the shape of a distorted pyritohedron Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Pyrite (16) ] | ||||||||||
| Quick search: [ All Laurite samples (2) ] | ||||||||||
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Laurite RRUFF ID: R110120 |
Ideal Chemistry: Ru2+(S2)2- |
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Locality: Tambiano River, Riampinang, Kalimantan Selatan Province, Borneo Island, Indonesia Source: Mark N Feinglos Owner: RRUFF Description: Loose aggregate of black grains associated with platinum R110126 Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Pyrite (16) ] | ||||||||||
| Quick search: [ All Laurite samples (2) ] | ||||||||||
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Lausenite RRUFF ID: X070004 |
Ideal Chemistry: Fe3+2(S6+O4)3·5H2O |
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Locality: United Verde Mine, Gerome, Arizona, USA Source: University of Arizona Mineral Museum 53 Owner: University of Arizona Mineral Museum Description: Small white fibrous crystal aggregates stored in a sealed glass tube. Type specimen Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Not in a structural group (133) ] | ||||||||||
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Lavendulan RRUFF ID: X060011 |
Ideal Chemistry: NaCaCu2+5(As5+O4)4Cl·5H2O |
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Locality: Talmessi Mine, Anarak, Iran Source: University of Arizona Mineral Museum 13508 Owner: University of Arizona Mineral Museum Description: Single crystal Status: The identification of this mineral is not yet confirmed. |
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| Quick search: [ All Lavendulan samples (3) ] | ||||||||||
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Lavendulan RRUFF ID: R060716 |
Ideal Chemistry: NaCaCu2+5(As5+O4)4Cl·5H2O |
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Locality: Guanaco, Antofagasta Province, Chile Source: Bob Jenkins Owner: RRUFF Description: Rosettes of blue platy crystals associated with dark green lammerite, R060715 Status: The identification of this mineral is not yet confirmed. |
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| Quick search: [ All Lavendulan samples (3) ] | ||||||||||
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Lavendulan RRUFF ID: R141212 |
Ideal Chemistry: NaCaCu2+5(As5+O4)4Cl·5H2O |
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Locality: Alice May mine, Ravensthorpe, Western Australia, Australia Source: James Shigley Owner: RRUFF Description: Sprays of blue bladed crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Quick search: [ All Lavendulan samples (3) ] | ||||||||||
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Låvenite RRUFF ID: R120044 |
Ideal Chemistry: (Na,Ca)2(Mn2+,Fe2+)(Zr4+,Ti4+,Nb5+)(Si2O7)(O,F)2 |
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Locality: Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada Source: Donald Doell Owner: RRUFF Description: Prismatic yellowish-orange on black amphibole Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Wohlerite (11) ] | ||||||||||
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Laverovite RRUFF ID: R060216 |
Ideal Chemistry: K2NaMn2+7Zr4+2(Si4O12)2O2(OH)4F |
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Locality: Desourdy Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada Source: Royal Ontario Museum M26526 Owner: RRUFF Description: Brown fragment showing lamellar habit. Type sample Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ astrophyllite (11) ] | ||||||||||
| Quick search: [ All Laverovite samples (2) ] | ||||||||||
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Laverovite RRUFF ID: R190014 |
Ideal Chemistry: K2NaMn2+7Zr4+2(Si4O12)2O2(OH)4F |
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Locality: Desourdy Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada Source: Royal Ontario Museum M26526 Owner: RRUFF Description: Brown fragment showing lamellar habit. Type sample. This sample is the same as R060216. A fragment was given to Elena Sokolova. All data are from Sokolova et al. (2019) except for the Raman spectra and photograph. Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ astrophyllite (11) ] | ||||||||||
| Quick search: [ All Laverovite samples (2) ] | ||||||||||
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Lavinskyite RRUFF ID: R120057 |
Ideal Chemistry: K(LiCu2+)Cu2+6(Si4O11)2(OH)4 |
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Locality: Wessels mine, Kalahari manganese field, Northern Cape Province, South Africa Source: William W. Pinch, Robert Lavinsky, and Marcus Origlieri Owner: RRUFF Description: Light blue plates, associated with R120019 wesselsite, and R120077 scottyite. 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 Group: [ Plancheite (4) ] | ||||||||||
| Quick search: [ All Lavinskyite samples (2) ] | ||||||||||
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Lavinskyite RRUFF ID: R141115 |
Ideal Chemistry: K(LiCu2+)Cu2+6(Si4O11)2(OH)4 |
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Locality: Wessels mine, South Africa Source: Jaco and Tania Janse van Nieuwenhuizen Owner: RRUFF Description: Greenish blue or light blue platy crystals, associated with dark blue scottyite (R141116) and blue wesselsite (with cleavage) Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Plancheite (4) ] | ||||||||||
| Quick search: [ All Lavinskyite samples (2) ] | ||||||||||
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Lawsonite RRUFF ID: R050042 |
Ideal Chemistry: CaAl2Si2O7(OH)2·H2O |
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Locality: California, USA Source: University of Arizona Mineral Museum 8433 Owner: RRUFF Description: White to colorless fragments Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Lawsonite (4) ] | ||||||||||
| Quick search: [ All Lawsonite samples (2) ] | ||||||||||
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Lawsonite RRUFF ID: X050112 |
Ideal Chemistry: CaAl2Si2O7(OH)2·H2O |
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Locality: Marin County, California, USA Source: G.R. Rossman 1135 Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ Lawsonite (4) ] | ||||||||||
| Quick search: [ All Lawsonite samples (2) ] | ||||||||||
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Lazaraskeite RRUFF ID: R180026 |
Ideal Chemistry: Cu2+(C2H3O3)1-2 |
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Locality: Western end of Pusch Ridge in the Santa Catalina Mountains, north of Tucson, Pima County, Arizona, USA Source: Warren Lazar Owner: RRUFF Description: Pale blue to blue prismatic or bladed crystals, associated with chrysocolla, muscovite, orthoclase, calcite, and quartz. Type specimen (UAMM 22052). This is the structure form-1. R190015 is the structure form-2. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Glycolate (6) ] | ||||||||||
| Quick search: [ All Lazaraskeite samples (2) ] | ||||||||||
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Lazaraskeite RRUFF ID: R190015 |
Ideal Chemistry: Cu2+(C2H3O3)1-2 |
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Locality: Western end of Pusch Ridge in the Santa Catalina Mountains, north of Tucson, Pima County, Arizona, USA Source: Warren Lazar Owner: RRUFF Description: Greenish-blue bladed or prismatic crystals, associated with lazaraskeite (R180026), chrysocolla, muscovite, orthoclase, calcite, and quartz. This is the structure form-2. R180026 is the structure form-1. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Glycolate (6) ] | ||||||||||
| Quick search: [ All Lazaraskeite samples (2) ] | ||||||||||
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Lazulite RRUFF ID: R050110 |
Ideal Chemistry: MgAl2(PO4)2(OH)2 |
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Locality: Rapid Creek, Yukon Territory, Canada Source: Rock Currier Owner: RRUFF Description: Azure-blue stubby crystals with complex terminations Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Lazulite (6) ] | ||||||||||
| Quick search: [ All Lazulite samples (3) ] | ||||||||||
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Lazulite RRUFF ID: R050269 |
Ideal Chemistry: MgAl2(PO4)2(OH)2 |
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Locality: Horsjoberg, Varmland, Sweden Source: Marcus Origlieri Owner: RRUFF Description: Deep-blue indistinct crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Lazulite (6) ] | ||||||||||
| Quick search: [ All Lazulite samples (3) ] | ||||||||||
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Lazulite RRUFF ID: R060494 |
Ideal Chemistry: MgAl2(PO4)2(OH)2 |
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Locality: Champion mine, White Mountains, Mono County, California, USA Source: Michael Scott S100117 Owner: RRUFF Description: Dark-blue coarsely crystalline mass Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Lazulite (6) ] | ||||||||||
| Quick search: [ All Lazulite samples (3) ] | ||||||||||
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Lead RRUFF ID: R070280 |
Ideal Chemistry: Pb |
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Locality: Laurion, Greece Source: Michael Scott S100997 Owner: RRUFF Description: Dark gray platy associated with quartz Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Copper (13) ] | ||||||||||
| Quick search: [ All Lead samples (2) ] | ||||||||||
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Lead RRUFF ID: R070193 |
Ideal Chemistry: Pb |
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Locality: Langban, Filipstad, Varmland, Sweden Source: James Shigley Owner: RRUFF Description: Gray metallic Status: The identification of this mineral is not yet confirmed. |
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| Mineral Group: [ Copper (13) ] | ||||||||||
| Quick search: [ All Lead samples (2) ] | ||||||||||
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Leadhillite RRUFF ID: R050642 |
Ideal Chemistry: Pb2+4(S6+O4)(CO3)2(OH)2 |
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Locality: Mammoth mine, Tiger, Pinal County, Arizona, USA Source: University of Arizona Mineral Museum 11090 Owner: RRUFF Description: Blue hexagonal prisms associated with transparent platy molybdophyllite and susannite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Quick search: [ All Leadhillite samples (2) ] | ||||||||||
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Leadhillite RRUFF ID: R060047 |
Ideal Chemistry: Pb2+4(S6+O4)(CO3)2(OH)2 |
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Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia Source: University of Arizona Mineral Museum 16155 Owner: RRUFF Description: Grayish-blue cleavage fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Leadhillite samples (2) ] | ||||||||||
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Lecoqite-(Y) RRUFF ID: R141187 |
Ideal Chemistry: Na3Y(CO3)3·6H2O |
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Locality: Synthetic Source: Amor Ben Ali Owner: Amor Ben Ali Description: Hydrothermal synthesis. Crystals grow in a Teflon lined Parr autoclave at 220 °C during 48 h. 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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Leesite RRUFF ID: R220018 |
Ideal Chemistry: K(H2O)2[(U6+O2)4O2(OH)5]·3H2O |
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Locality: Jomac mine, White Canyon Mining District, San Juan County, Utah, USA Source: Jim McGlasson Owner: RRUFF Description: Aggregates of yellow to orange euhedral crystals, associated with brochantite. Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Schoepite (4) ] | ||||||||||
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Lefontite RRUFF ID: R140074 |
Ideal Chemistry: Fe2+2Al2Be(PO4)2(OH)6 |
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Locality: Galiléia, Minas Gerais, Brazil Source: Bob Jenkins Owner: RRUFF Description: Reddish brown elongated crystals. Associated with ushkovite (R060954), atencioite, rockbridgeite, and albite. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Childrenite (12) ] | ||||||||||
| Quick search: [ All Lefontite samples (3) ] | ||||||||||
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Lefontite RRUFF ID: R140428 |
Ideal Chemistry: Fe2+2Al2Be(PO4)2(OH)6 |
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Locality: João Teodoro mine, Linópolis district, Divino das Laranjeiras, Minas Gerais, Brazil Source: Michael Scott Owner: RRUFF Description: Brown prismatic crystals, associated with light-brown greifensteinite (R060588), dark green acicular gormanite (R080075), and white fine-grained leucophosphite. Type sample. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Childrenite (12) ] | ||||||||||
| Quick search: [ All Lefontite samples (3) ] | ||||||||||
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Lefontite RRUFF ID: R140539 |
Ideal Chemistry: Fe2+2Al2Be(PO4)2(OH)6 |
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Locality: Palermo No. 1 mine, Groton, New Hampshire, USA Source: Benjamin N. Schumer Owner: RRUFF Description: Dark or reddish brown prismatic crystals, associated with grey bladed eosphorite, colorless or white prismatic palermoite (R120141), and natropalermoite (130092). Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Childrenite (12) ] | ||||||||||
| Quick search: [ All Lefontite samples (3) ] | ||||||||||
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Legrandite RRUFF ID: R040151 |
Ideal Chemistry: Zn2+2As5+O4(OH)·H2O |
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Locality: Mapimi, Durango, Mexico Source: University of Arizona Mineral Museum 4191 Owner: RRUFF Description: Yellow crystal fragments; same material used in McLean et al. (1971) study Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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Leifite RRUFF ID: R060219 |
Ideal Chemistry: Na7Be2(Si15Al3)O39(F,OH)2 |
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Locality: Mont Saint-Hilaire, Rouville County, Quebec, Canada Source: Royal Ontario Museum M49476 Owner: RRUFF Description: Colorless hexagonal prism Status: The identification of this mineral has been confirmed by X-ray diffraction. |
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| Mineral Group: [ Leifite (2) ] | ||||||||||
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Leightonite RRUFF ID: R050211 |
Ideal Chemistry: K2Ca2Cu2+(S6+O4)4·2H2O |
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Locality: Chuquicamata mine, Calama, Antofagasta Province, Chile Source: John Dagenais Owner: RRUFF Description: Blue lathlike crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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Leiteite RRUFF ID: R040011 |
Ideal Chemistry: Zn2+As3+2O4 |
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Locality: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia Source: Dave Bunk Minerals Owner: RRUFF Description: Transparent tan colored flexible lamellar crystal Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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Lemanskiite RRUFF ID: R200011 |
Ideal Chemistry: NaCaCu2+5(As5+O4)4Cl·3H2O |
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Locality: El Guanaco mine, Guanaco, Santa Catalina, Antofagasta Province, Antofagasta Region, Chile Source: Bob Jenkins Owner: RRUFF Description: Blue platy crystals Status: unconfirmed |
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Lemmleinite-Ba RRUFF ID: R070650 |
Ideal Chemistry: Na4K4Ba2+xTi4+8(Si4O12)4(O,OH)8·8H2O |
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Locality: Diamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA Source: Michael Scott S100152 Owner: RRUFF Description: Orange tabular crystals associated with colorless acicular pectolite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ labuntsovite (11) ] | ||||||||||
| Quick search: [ All Lemmleinite-Ba samples (2) ] | ||||||||||
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Lemmleinite-Ba RRUFF ID: R110017 |
Ideal Chemistry: Na4K4Ba2+xTi4+8(Si4O12)4(O,OH)8·8H2O |
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Locality: Partomchorr Mt., Khibiny Massif, Kola, Russia Source: Ray Grant Owner: RRUFF Description: Reddish orange bladed crystals associated with white natrolite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ labuntsovite (11) ] | ||||||||||
| Quick search: [ All Lemmleinite-Ba samples (2) ] | ||||||||||
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Lemoynite RRUFF ID: R080106 |
Ideal Chemistry: Na2CaZr4+2Si10O26·5-6H2O |
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Locality: Mont Saint-Hilaire, Quebec, Canada Source: William W. Pinch Owner: RRUFF Description: Aggregates of cream-white, sub-parallel prismatic crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Lemoynite (2) ] | ||||||||||
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Leningradite RRUFF ID: R070053 |
Ideal Chemistry: Pb2+Cu2+3(V5+O4)2Cl2 |
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Locality: main fracture, N breakthrough, Tolbachik Volcano, Kamchatka Peninsula, Russia Source: Michael Scott S105074 Owner: RRUFF Description: Dark reddish-brown fragment in epoxy Status: The identification of this mineral is not yet confirmed. |
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Lenoblite RRUFF ID: R060761 |
Ideal Chemistry: V4+2O4·2H2O |
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Locality: Clara mine, Schwarzwald, Germany Source: Michael Scott S101251 Owner: RRUFF Description: Gray granular crust Status: The identification of this mineral is not yet confirmed. |
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Lepidocrocite RRUFF ID: R050454 |
Ideal Chemistry: Fe3+O(OH) |
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Locality: Malvern, Chester County, Pennsylvania, USA Source: University of Arizona Mineral Museum 16088 Owner: RRUFF Description: Aggregate of red-brown flattened and platy crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Lepidocrocite (3) ] | ||||||||||
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Lepidolite RRUFF ID: X050113 |
Ideal Chemistry: K(Li,Al)3(Si,Al)4O10(F,OH)2 |
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Locality: Stewart mine, Pala, California, USA Source: Caltech Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ mica (50) ] | ||||||||||
| Quick search: [ All Lepidolite samples (2) ] | ||||||||||
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Lepidolite RRUFF ID: X050114 |
Ideal Chemistry: K(Li,Al)3(Si,Al)4O10(F,OH)2 |
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Locality: Coolgardie, Western Australia, Australia Source: Caltech Owner: Caltech Description: Status: The identification of this mineral has been determined only by Raman spectroscopy |
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| Mineral Group: [ mica (50) ] | ||||||||||
| Quick search: [ All Lepidolite samples (2) ] | ||||||||||
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Leucite RRUFF ID: R040107 |
Ideal Chemistry: K(Si2Al)O6 |
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Locality: Roccamonfina, Italy Source: University of Arizona Mineral Museum 4733 Owner: RRUFF Description: Rounded colorless crystals embedded in an ash matrix 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 Leucite samples (2) ] | ||||||||||
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Leucite RRUFF ID: R060300 |
Ideal Chemistry: K(Si2Al)O6 |
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Locality: Alban Hills, Rome Province, Latium, Italy Source: Herb Obodda 029 Owner: RRUFF Description: Colorless complete pseudocubic crystal showing trapezohedral faces 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 Leucite samples (2) ] | ||||||||||
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Leucophanite RRUFF ID: R050004 |
Ideal Chemistry: NaCaBeSi2O6F |
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Locality: Langesundfjord, Norway Source: University of Arizona Mineral Museum 2925 Owner: RRUFF Description: Pale green massive Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Quick search: [ All Leucophanite samples (3) ] | ||||||||||
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Leucophanite RRUFF ID: R060199 |
Ideal Chemistry: NaCaBeSi2O6F |
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Locality: Mont Saint-Hilaire, Rouville County, Quebec, Canada Source: Royal Ontario Museum M31735 Owner: RRUFF Description: Gray colored transparent fragment Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Leucophanite samples (3) ] | ||||||||||
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Leucophanite RRUFF ID: R060207 |
Ideal Chemistry: NaCaBeSi2O6F |
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Locality: Mont Saint-Hilaire, Rouville County, Quebec, Canada Source: Royal Ontario Museum M49430 Owner: RRUFF Description: Pale yellow tabular crystal Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Quick search: [ All Leucophanite samples (3) ] | ||||||||||
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Leucophoenicite RRUFF ID: R060308 |
Ideal Chemistry: Mn2+7(SiO4)3(OH)2 |
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Locality: Parker Shaft, Franklin, Sussex County, New Jersey, USA Source: Michael Scott S100253 Owner: RRUFF Description: Pink-tan colored massive, associated with white willemite and pinkish ribbeite (R150125). X-ray shows sample is twinned 180 deg around a. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Humite (21) ] | ||||||||||
| Quick search: [ All Leucophoenicite samples (2) ] | ||||||||||
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Leucophoenicite RRUFF ID: R150131 |
Ideal Chemistry: Mn2+7(SiO4)3(OH)2 |
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Locality: Franklin, Sussex County, New Jersey, USA Source: Steven Kuitems Owner: RRUFF Description: Striated raspberry-red or deep to light pink prismatic crystals, associated with white prismatic willemite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Humite (21) ] | ||||||||||
| Quick search: [ All Leucophoenicite samples (2) ] | ||||||||||
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Leucophosphite RRUFF ID: R060338 |
Ideal Chemistry: KFe3+2(PO4)2(OH)·2H2O |
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Locality: Gunheath pit, St. Austell, Cornwall, England Source: Michael Scott S100184 Owner: RRUFF Description: White to pale pink spherical aggregates associated with green chalcosiderite, R060339, and orange cyrilovite, R060504 Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Leucophosphite (3) ] | ||||||||||
| Quick search: [ All Leucophosphite samples (2) ] | ||||||||||
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Leucophosphite RRUFF ID: R080126 |
Ideal Chemistry: KFe3+2(PO4)2(OH)·2H2O |
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Locality: Tip Top mine, Custer County, South Dakota, USA Source: Thomas A. Loomis TL-41 Owner: RRUFF Description: Violet subhedral crystals on a matrix of rockbridgeite and associated with pale yellow acicular segelerite (R080127). Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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| Mineral Group: [ Leucophosphite (3) ] | ||||||||||
| Quick search: [ All Leucophosphite samples (2) ] | ||||||||||
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Leucosphenite RRUFF ID: R060201 |
Ideal Chemistry: Na4BaTi4+2B2Si10O30 |
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Locality: Poudrette Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada Source: Royal Ontario Museum M41878 Owner: RRUFF Description: Bluish-green prismatic crystal associated with small colorless albite crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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Lévyne-Ca RRUFF ID: R070270 |
Ideal Chemistry: Ca3(Si12Al6)O36·18H2O |
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Locality: Beech Creek Quarry, Mount Vernon, Grant County, Oregon, USA Source: Michael Scott S100922 Owner: RRUFF Description: Clear, colorless hexagonal tabular Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Levyne (3) ] | ||||||||||
| Quick search: [ All Lévyne-Ca samples (2) ] | ||||||||||
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Lévyne-Ca RRUFF ID: R080128 |
Ideal Chemistry: Ca3(Si12Al6)O36·18H2O |
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Locality: Dallas, Oregon, USA Source: Michael Scott S100946 Owner: RRUFF Description: Thin clear colorless tabular hexagonal crystals coated by chatoyant erionite or offretite on volcanic matrix Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Levyne (3) ] | ||||||||||
| Quick search: [ All Lévyne-Ca samples (2) ] | ||||||||||
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Lévyne-Na RRUFF ID: R060021 |
Ideal Chemistry: Na6(Si12Al6)O36·18H2O |
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Locality: Dallas, Oregon, USA Source: Bob Downs Owner: RRUFF Description: White tabular hexagonal-shaped crystals associated with analcime, R060023 Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Group: [ Levyne (3) ] | ||||||||||
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Lianbinite RRUFF ID: R220025 |
Ideal Chemistry: (N3-H4)(C2H3O3)1-(C2H4O3) |
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Locality: Western end of Pusch Ridge in the Santa Catalina Mountains, north of Tucson, Pima County, Arizona, USA Source: Warren Lazar Owner: RRUFF Description: Colorless bladed or prismatic crystals, on top of quartz matrix. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Glycolate (6) ] | ||||||||||
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Liangjunite RRUFF ID: R220001 |
Ideal Chemistry: K2(Mo6+2O5)(S6+O4)2·3H2O |
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Locality: Freedom No. 2 mine, Marysvale District (Marysvale Uranium area), Piute County, Utah, USA Source: Michael Scott S102692 Owner: RRUFF Description: Aggregates of tiny colorless thin bladed crystals, associated with coquimbite. Status: unconfirmed |
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| Mineral Group: [ Bouskaite (2) ] | ||||||||||
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Libethenite RRUFF ID: R050147 |
Ideal Chemistry: Cu2+2PO4(OH) |
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Locality: Los Azules mine, Copiapo, Chile Source: Jim McGlasson Owner: RRUFF Description: Dark green prismatic crystals, associated with smaller lighter green pseudomalachite 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 Libethenite samples (2) ] | ||||||||||
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Libethenite RRUFF ID: R050613 |
Ideal Chemistry: Cu2+2PO4(OH) |
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Locality: Libethen, Banskobystricky, Slovakia Source: University of Arizona Mineral Museum 2420 Owner: RRUFF Description: Dark green wedge-shaped prismatic crystals 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 Libethenite samples (2) ] | ||||||||||
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Libyan Desert glass RRUFF ID: R060357 |
Ideal Chemistry: SiO2 |
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Locality: Libyan Desert, Sahara Desert, Egypt Source: Herb Obodda 017 Owner: RRUFF Description: Pale tan amorphous fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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Liebenbergite RRUFF ID: R120062 |
Ideal Chemistry: Ni2+2SiO4 |
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Locality: Synthetic, by flux method Source: Ken Domanik Owner: RRUFF Description: Bright green fragments Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Olivine (61) ] | ||||||||||
| Quick search: [ All Liebenbergite samples (2) ] | ||||||||||
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Liebenbergite RRUFF ID: R150037 |
Ideal Chemistry: Ni2+2SiO4 |
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Locality: Agios Konstantinos, Lavrion District slag localities, Attikí Prefecture, Greece Source: Gunnar Farber Owner: RRUFF Description: Euhedral vitreous green crystals, associated with R150038 black octahedral trevorite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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| Mineral Group: [ Olivine (61) ] | ||||||||||
| Quick search: [ All Liebenbergite samples (2) ] | ||||||||||
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