Mineral Specimen Images (G)

Mineral Specimen Images (G)
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Mineral Specimen Images (G) With 378 Images

Grimaldiite Image

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Grimaldiite: Cr+++O(OH)

Comments: Grimaldiite, variety merumite, stream rounded crystalline grains.
Location: Merume River, Mazaruni-Potaro District, Guyana. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Grimaldiite Image

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Grimaldiite: Cr+++O(OH)

Comments: Grimaldiite, variety merumite, stream rounded crystalline grains.
Location: Merume River, Mazaruni-Potaro District, Guyana. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Grimselite Image

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Grimselite: K3Na(UO2)(CO3)3·(H2O)

Comments: Bright yellow coatings and minor, small crystals of grimselite on a white quartz matrix..
Location: Gerstenegg - Sommerloch Tunnel, Grimsel, Hasli Tal, Bern, Schweiz (Switzerland).. Scale: See Image.
© Paul M. Schumacher

Grimselite Image

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Grimselite: K3Na(UO2)(CO3)3·(H2O)

Comments: Bright yellow coatings and minor, small crystals of grimselite on a white quartz matrix..
Location: Gerstenegg - Sommerloch Tunnel, Grimsel, Hasli Tal, Bern, Schweiz (Switzerland).. Scale: See Image.
© Paul M. Schumacher

Grimselite Image

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Grimselite: K3Na(UO2)(CO3)3·(H2O)

Comments: Small yellow crystals of grimselite in matrix.
Location: Gerstenegg/Sommerloch tunnel, Grimsel Region, Hasli Valley, Bern, Switzerland. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Grimselite Image

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Grimselite: K3Na(UO2)(CO3)3·(H2O)

Comments: Small yellow crystals of grimselite in matrix.
Location: Gerstenegg/Sommerloch tunnel, Grimsel Region, Hasli Valley, Bern, Switzerland. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Griphite Image

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Griphite: Ca(Mn,Na,Li)6Fe++Al2(PO4)6(F,OH)2

Comments: Dark red-brown vitreous crystalline massive griphite.
Location: Sitting Bull Mine, Pennington County, South Dakota, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Griphite Image

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Griphite: Ca(Mn,Na,Li)6Fe++Al2(PO4)6(F,OH)2

Comments: Dark red-brown vitreous crystalline massive griphite.
Location: Sitting Bull Mine, Pennington County, South Dakota, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Grischunite Image

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Grischunite: NaCa2Mn++5Fe+++(AsO4)6·2(H2O)

Comments: Red-brown prismatic grischunite crystals on matrix.
Location: Falotta, Tinzen, Oberhalbstein, Graubünden, Switzerland. Scale: Specimen Size 1.5x2 cm.
© Diederik Visser

Grischunite Image

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Grischunite: NaCa2Mn++5Fe+++(AsO4)6·2(H2O)

Comments: Red-brown prismatic grischunite crystals on matrix.
Location: Falotta, Tinzen, Oberhalbstein, Graubünden, Switzerland. Scale: Specimen Size 1.5x2 cm.
© Diederik Visser

Grossular Image

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Grossular: Ca3Al2(SiO4)3  
Diopside: CaMgSi2O6

Comments: Pale blue prismatic crystal of diopside with orange-brown grossular.
Location: Val d'Aosta, Italy. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Grossular Image

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Grossular: Ca3Al2(SiO4)3

Comments: Gemmy, transparent, cinnamon-colored grossular crystals averaging 7 mm in size.
Location: Jeffrey mine, Asbestos, Quebec, Canada. Scale: 3.5 x 4 x 1.5 cm.
© Dan Weinrich

Grossular Image

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Grossular: Ca3Al2(SiO4)3

Comments: Gemmy, transparent, cinnamon-colored grossular crystals averaging 7 mm in size.
Location: Jeffrey mine, Asbestos, Quebec, Canada. Scale: 3.5 x 4 x 1.5 cm.
© Dan Weinrich

Grossular Image

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Grossular: Ca3Al2(SiO4)3  
Vesuvianite: Ca10Mg2Al4(SiO4)5(Si2O7)2(OH)4

Comments: Blocky, tan-colored vesuvianite with white grossular (garnet).
Location: Sierra de la Cruz, Lago Jaco, Coahuila, Mexico. Scale: 3.5 x 4.5 cm.
© Fabre Minerals

Grossular Image

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Grossular: Ca3Al2(SiO4)3  
Diopside: CaMgSi2O6

Comments: Pale blue prismatic crystal of diopside with orange-brown grossular.
Location: Val d'Aosta, Italy. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Grossular Image

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Grossular: Ca3Al2(SiO4)3  
Vesuvianite: Ca10Mg2Al4(SiO4)5(Si2O7)2(OH)4

Comments: Blocky, tan-colored vesuvianite with white grossular (garnet).
Location: Sierra de la Cruz, Lago Jaco, Coahuila, Mexico. Scale: 3.5 x 4.5 cm.
© Fabre Minerals

Groutite Image

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Groutite: Mn+++O(OH)

Comments: Prismatic crystals of groutite in white marble.
Location: Talcville, Saint Lawrence County, New York, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Groutite Image

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Groutite: Mn+++O(OH)

Comments: Prismatic crystals of groutite in white marble.
Location: Talcville, Saint Lawrence County, New York, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Grumiplucite Image

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Grumiplucite: HgBi2S4

Comments: Gray crystals of grumiplucite on quartz.
Location: Levigliani, Apuan Alps, Lucca Province, Tuscany, Italy. Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag

Grumiplucite Image

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Grumiplucite: HgBi2S4

Comments: Gray crystals of grumiplucite on quartz.
Location: Levigliani, Apuan Alps, Lucca Province, Tuscany, Italy. Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag
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