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Zincochromite Roscoelite Image

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 Zincochromite, Roscoelite

Large Zincochromite Image

Mineral: Zincochromite: ZnCr2O4  
Roscoelite: K(V,Al,Mg)2AlSi3O10(OH)2
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.
Copyright: © Pavel M. Kartashov
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