Talnakh Cu-Ni Deposit, Noril'sk, Putoran Plateau, Taimyr Peninsula, Eastern Siberia, Russia
5.3 x 4.1 x 2.0 cm
Exceptionally rich specimen with two crystals perched on top of the sulfide matrix. Sperrylite is a platinum arsenide forming within the pyrite crystal structure group.
Photo Credit: Joe Budd