Mineral Specimen Images (G)

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

Glagolevite Image

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Glagolevite: NaMg6[Si3AlO10](OH,O)8·H2O  
Andradite: Ca3Fe+++2(SiO4)3

Comments: Pearly white plates of glagolevite with olive-colored andradite dodecohedrons.
Location: Zheleznyi Mine (Iron Mine), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture Size 12x10 mm.
© Pavel M. Kartashov

Glagolevite Image

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Glagolevite: NaMg6[Si3AlO10](OH,O)8·H2O  
Andradite: Ca3Fe+++2(SiO4)3

Comments: Pearly white plates of glagolevite with olive-colored andradite dodecohedrons.
Location: Zheleznyi Mine (Iron Mine), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture Size 12x10 mm.
© Pavel M. Kartashov

Glauberite Image

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Glauberite: Na2Ca(SO4)2

Comments: Translucent crystals of glauberite.
Location: Superior, Pinal County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Glauberite Image

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Glauberite: Na2Ca(SO4)2  
Hydroglauberite: Na4Ca(SO4)3·2(H2O)

Comments: Putty-colored chalky hydroglauberite on glauberite crystals.
Location: Camp Verde, Yavapai County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Glauberite Image

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Glauberite: Na2Ca(SO4)2  
Hydroglauberite: Na4Ca(SO4)3·2(H2O)

Comments: Putty-colored chalky hydroglauberite on glauberite crystals.
Location: Camp Verde, Yavapai County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Glauberite Image

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Glauberite: Na2Ca(SO4)2

Comments: Translucent crystals of glauberite.
Location: Superior, Pinal County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Glaucocerinite Image

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Glaucocerinite: (Zn,Cu)5Al3(SO4)1.5(OH)16·9(H2O)

Comments: Botryoidal crust of blue glaucocerinite.
Location: Mina Serpieri, Laurium, Attiki, Greece. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Glaucocerinite Image

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Glaucocerinite: (Zn,Cu)5Al3(SO4)1.5(OH)16·9(H2O)

Comments: Botryoidal crust of blue glaucocerinite.
Location: Mina Serpieri, Laurium, Attiki, Greece. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Glaucochroite Image

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Glaucochroite: CaMnSiO4  
Zincite: (Zn,Mn)O  
Willemite: Zn2SiO4

Comments: Pinkish gray crystalline glaucochroite intermixed with pale green willemite, with dark red zincite and white calcite.
Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Glaucochroite Image

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Glaucochroite: CaMnSiO4  
Zincite: (Zn,Mn)O  
Willemite: Zn2SiO4

Comments: Pinkish gray crystalline glaucochroite intermixed with pale green willemite, with dark red zincite and white calcite.
Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Glaucodot Image

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Glaucodot: (Co,Fe)AsS

Comments: Metallic lustered crystal of glaucodot on matrix.
Location: Hakansboda, Vastmanland, Sweden. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Glaucodot Image

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Glaucodot: (Co,Fe)AsS

Comments: Metallic lustered crystal of glaucodot on matrix.
Location: Hakansboda, Vastmanland, Sweden. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Glauconite Image

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Glauconite: (K,Na)(Fe+++,Al,Mg)2(Si,Al)4O10(OH)2

Comments: Green glauconite intermixed with quartz.
Location: Ightham, Kent, England. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Glauconite Image

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Glauconite: (K,Na)(Fe+++,Al,Mg)2(Si,Al)4O10(OH)2

Comments: Green glauconite intermixed with quartz.
Location: Ightham, Kent, England. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Glaucophane Image

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Glaucophane: [ ]Na2(Mg3Al2)Si8O22(OH)2

Comments: Pale violet to gray fibrous massive glaucophane.
Location: Lac Malartic, Quebec, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Glaucophane Image

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Glaucophane: [ ]Na2(Mg3Al2)Si8O22(OH)2

Comments: Pale violet to gray fibrous massive glaucophane.
Location: Lac Malartic, Quebec, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Glaukosphaerite Image

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Glaukosphaerite: (Cu,Ni)2(CO3)(OH)2

Comments: Green botryoidal crust of glaukosphaerite.
Location: Carr-Boyd Nickel Mine, Western Australia, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Glaukosphaerite Image

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Glaukosphaerite: (Cu,Ni)2(CO3)(OH)2

Comments: Green botryoidal crust of glaukosphaerite.
Location: Carr-Boyd Nickel Mine, Western Australia, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Glucine Image

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Glucine: CaBe4(PO4)2(OH)4·0.5(H2O)  
Moraesite: Be2(PO4)(OH)·4(H2O)

Comments: Light brown glucine with white moraesite.
Location: Boevskoye Mine, Sverdlovsk District, Middle Urals, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Glucine Image

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Glucine: CaBe4(PO4)2(OH)4·0.5(H2O)  
Moraesite: Be2(PO4)(OH)·4(H2O)

Comments: Light brown glucine with white moraesite.
Location: Boevskoye Mine, Sverdlovsk District, Middle Urals, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
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