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Zincochromite Gallery

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Zincochromite : ZnCr2O4, Roscoelite : K(V,Al)2[(OH)2|AlSi3O10], Clausthalite : PbSe

Srednyaya Padma U-V deposit, Zaonezhie peninsula, Lake Onega, Karelia Republic, Northern Region, Russia

The largest which I'd saw from the locality roscoelite segregation filled with rich impregnation zincochromite microcrystals (up to 60 wol.%). Metallic-white grains of clausthalite are well visible. Specimen size is 6x4x4 cm and its radioactivity is 260 μR/h. Collected by Nadezhda Ledneva in 1990. Pavel M. Kartashov collection and photo.
 © Pavel M. KartashovPhoto ID: 72923    View Count: 608

Zincochromite : ZnCr2O4

Srednyaya Padma U-V deposit, Zaonezhie peninsula, Lake Onega, Karelia Republic, Northern Region, Russia

SEM image. Octahedral crystals of zincochromite in chromceladonite matrix. Some crystals have more darck chrommagnetite cores. Pavel M. Kartashov collection and Andrei V. Mokhov photo.
 © Pavel M. KartashovPhoto ID: 72942    View Count: 274

Zincochromite : ZnCr2O4

Srednyaya Padma U-V deposit, Zaonezhie peninsula, Lake Onega, Karelia Republic, Northern Region, Russia

SEM image. Segregation of zincochromite octahedrons in chromceladonite matrix. Pavel M. Kartashov collection and Andrei V. Mokhov photo.
 © Pavel M. KartashovPhoto ID: 72943    View Count: 267
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