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Cooperite: (Pt,Pd,Ni)S Cherepanovite: RhAs Platinum: Pt
Comments: Creamy-grayish fractured grains of cherepanovite with gray granular cooperite and white massive grains of iridian ruthenian platinum. Polished section in reflected light.
Location: Placer Deposit, Northern Pekul'nei River, Pekul'nei Range, Chukotka (Tchukotka) Okrug, Chukot Peninsula, Far-Eastern Region, Russia.
Scale: Picture size 0.12 mm.
© Thomas Witzke / Abraxas-Verlag
Cooperite: (Pt,Pd,Ni)S Osmium: (Os,Ir) Vasilite: (Pd,Cu)16(S,Te)7 Vysotskite: (Pd,Ni)S
Comments: BSE image taken with a SEM of the sulfide-dominant microparagenesis filling a gas vacuole. Cooperite crystal surrounded by Pd-Cu-Pt-S phase (vasilite?), vysotskite and osmium laths (white) in chalcopyrite-bornite matrix (dark). (CanMin 38:1258).
Location: Pustaya River placer deposit, situated within the Koryak-Kamchatka platinum-bearing belt of Alaskan-type intrusions in eastern Russia.
Scale: See Image.
© Canadian Mineralogist