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Nickelskutterudite: (Ni,Co)As3-x Dienerite: Ni3As
Comments: Aggregate of silver-gray nickelskutterudite cubes, some tarnished to a brassy color. Dienerite is now considered to be nickelskutterudite. Location: Hasserode, Harz, Germany. Scale: See Image. © Rruff Database
Comments: Gray, blocky crystals of nickel-skutterudite (chloanthite or dienerite) with minor yellow pyrite. Location: Gowganda, Ontario, Canada. Scale: Crystal size 3 mm. © Tom Loomis / Dakota Matrix