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Comments: Tarnished brown talnakhite with brassy chalcopyrite.
Location: Talnakh Deposit, Norilsk, Krasnoyarsk Territory, Siberia, Russia.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
Talnakhite: Cu9(Fe,Ni)8S16 Parkerite: Ni3(Bi,Pb)2S2
Comments: Cut, not polished section showing rounded grains of parkerite (yellow arrow) in 'dactiloscopyc' galena aggregate in talnakhite-chalcopyrite ore. Talnakhite is bronze-violet slightly oxidised grain streaked with golden chalcopyrite.
Location: Taimyr (Oktyabr'skoye; Oktyabr'sky) Cu-Ni deposit, Noril'sk, Putoran Plateau, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia.
Scale: Picture Size 4x3 mm.
© Pavel M. Kartashov