Cherepanovite, Cooperite, Osmium, Platinum

Cherepanovite : RhAs, Cooperite : (Pt,Pd,Ni)S, Osmium : (Os,Ir,Ru), Platinum : Pt

Locality: Placer Deposit, Northern Pekul'nei River, Pekul'nei Range, Chukotka (Tchukotka) Okrug, Chukot Peninsula, Far-Eastern Region, Russia

Creamy-grayish fractured grains of cherepanovite with gray granular cooperite, white massive grains of iridian ruthenian platinum and white crystals of iridian ruthenian osmium. Polished section in reflected light. Picture size 0.12 mm. Photographer and collection Thomas Witzke.

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