Mineral Specimen Images (A)

Mineral Specimen Images (A)
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Mineral Specimen Images (A) With 620 Images

Aluminum Image

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Aluminum: Al

Comments: Deep-green phlogopite with Al flake (at the center). AmMin, 94:1983.
Location: Found in a desilicated pegmatite vein, NW Rila Mountain, Bulgaria. Scale: Scale Bar 1 mm.
© American Mineralogist

Aluminum Image

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Aluminum: Al

Comments: Native aluminum in a polished section.
Location: From a mud volcano in the Caspian Sea near Baku, Azerbaidzhan. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Alum-(K) Image

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Alum-(K): KAl(SO4)2·12(H2O)

Comments: White encrustations and ballshaped aggregates of potassium alum.
Location: Scholler mine, Libusin, Kladno, Czech Republic. Scale: See Fingers for Scale.
© Diederik Visser

Alum-(K) Image

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Alum-(K): KAl(SO4)2·12(H2O)

Comments: White encrustations and ballshaped aggregates of potassium alum.
Location: Scholler mine, Libusin, Kladno, Czech Republic. Scale: See Fingers for Scale.
© Diederik Visser

Alumohydrocalcite Image

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Alumohydrocalcite: CaAl2(CO3)2(OH)4·3(H2O)

Comments: Pinkish-white globular aggregates of alumohydrocalcite.
Location: Carriere de Richelle, Vise, Belgium. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Alumohydrocalcite Image

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Alumohydrocalcite: CaAl2(CO3)2(OH)4·3(H2O)

Comments: Pinkish-white globular aggregates of alumohydrocalcite.
Location: Carriere de Richelle, Vise, Belgium. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Alumoklyuchevskite Image

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Alumoklyuchevskite: K3Cu3AlO2(SO4)4  
Vergasovaite: Cu3O[(Mo,S)O4][SO4]

Comments: Green blebs to prismatic or needle-like crystals of alumoklyuchevskite associated with orange vergasovaite, co-type material.
Location: Main fracture, N breakthrough, Tolbachik Volcano, Kamchatka Peninsula, Russia. Scale: See Image.
© Rruff Database

Alumoklyuchevskite Image

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Alumoklyuchevskite: K3Cu3AlO2(SO4)4  
Vergasovaite: Cu3O[(Mo,S)O4][SO4]

Comments: Green blebs to prismatic or needle-like crystals of alumoklyuchevskite associated with orange vergasovaite, co-type material.
Location: Main fracture, N breakthrough, Tolbachik Volcano, Kamchatka Peninsula, Russia. Scale: See Image.
© Rruff Database

Alumoklyuchevskite Image

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Alumoklyuchevskite: K3Cu3AlO2(SO4)4

Comments: Very small olive-greenish prismatic crystals of alumoklyuchevskite.
Location: Tolbachik volcano, Kamchatka, Russia. Scale: Sample size 1.8 x 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Alumoklyuchevskite Image

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Alumoklyuchevskite: K3Cu3AlO2(SO4)4

Comments: Very small olive-greenish prismatic crystals of alumoklyuchevskite.
Location: Tolbachik volcano, Kamchatka, Russia. Scale: Sample size 1.8 x 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Alumopharmacosiderite Image

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Alumopharmacosiderite: KAl4(AsO4)3(OH)4·6·5(H2O)  
Olivenite: Cu2AsO4(OH)

Comments: Minute white specks of alumopharmacosiderite, with tan olivenite and unknown orange material.
Location: Gold Hill, Gold Hill District (Clifton District), Deep Creek Mts, Tooele Co., Utah, USA. Scale: Picture Size 2 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Alumopharmacosiderite Image

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Alumopharmacosiderite: KAl4(AsO4)3(OH)4·6·5(H2O)  
Olivenite: Cu2AsO4(OH)

Comments: Minute white specks of alumopharmacosiderite, with tan olivenite and unknown orange material.
Location: Gold Hill, Gold Hill District (Clifton District), Deep Creek Mts, Tooele Co., Utah, USA. Scale: Picture Size 2 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Alumotungstite Image

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Alumotungstite: (W,Al)(O,OH)3 (?)

Comments: Pale orange, chalky crust of alumotungstite on ferberite with quartz.
Location: Hemerdon mine, Sparkwell, Plympton, Devon, England. Scale: See Image.
© Rruff Database

Alumotungstite Image

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Alumotungstite: (W,Al)(O,OH)3 (?)

Comments: Pale orange, chalky crust of alumotungstite on ferberite with quartz.
Location: Hemerdon mine, Sparkwell, Plympton, Devon, England. Scale: See Image.
© Rruff Database

Alunite Image

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Alunite: KAl3(SO4)2(OH)6

Comments: Octahedral clear to tan tinted crystals of alunite.
Location: Marysvale, Piute County, Utah, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Alunite Image

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Alunite: KAl3(SO4)2(OH)6

Comments: Octahedral clear to tan tinted crystals of alunite.
Location: Marysvale, Piute County, Utah, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Alunogen Image

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Alunogen: Al2(SO4)3·17(H2O)  
Metavoltine: K4Na4(Fe++,Zn)Fe+++6(SO4)12O2·20(H2O)

Comments: Yellow metavoltine with white alunogen.
Location: Carola Mine, Freital, near Dresden, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Alunogen Image

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Alunogen: Al2(SO4)3·17(H2O)  
Jarosite: KFe+++3(SO4)2(OH)6

Comments: Colorless to white, tabular crystals alunogen on reddish jarosite.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Alunogen Image

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Alunogen: Al2(SO4)3·17(H2O)  
Voltaite: K2Fe++5Fe+++3Al(SO4)12·18(H2O)

Comments: Dark greenish-black crystals of voltaite on white alunogen.
Location: Carola Mine, Freital, Dresden, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Alunogen Image

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Alunogen: Al2(SO4)3·17(H2O)  
Metavoltine: K4Na4(Fe++,Zn)Fe+++6(SO4)12O2·20(H2O)

Comments: Yellow metavoltine with white alunogen.
Location: Carola Mine, Freital, near Dresden, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag
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