Roscoelite Mineral Gallery

Roscoelite Mineral Gallery
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Roscoelite Minerals


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Roscoelite Mineral Gallery With 2 Images

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Roscoelite: K(V,Al,Mg)2AlSi3O10(OH)2

Comments: Dull olive green fine grained roscoelite cementing sandstone.
Location: Rifle Mine, Garfield County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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Roscoelite: K(V,Al,Mg)2AlSi3O10(OH)2  
Zincochromite: ZnCr2O4

Comments: Roscoelite segregation filled with rich impregnation zincochromite microcrystals (up to 60 vol.%). Metallic-white grains of clausthalite are visible. Inset polished section image shows crystals of zincochromite in chromceladonite matrix.
Location: Srednyaya Padma U-V deposit, Zaonezhie peninsula, Lake Onega, Karelia Republic, Northern Region, Russia. Scale: Specimen size is 6x4x4 cm.
© Pavel M. Kartashov
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