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Comments: Gray, blocky crystals of nickel-skutterudite (chloanthite) with minor yellow pyrite.
Location: Gowganda, Ontario, Canada.
Scale: Crystal size 3 mm.
© Tom Loomis / Dakota Matrix
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