Kamoto Mine, Kolwezi, Katanga, Congo

3.7 x 2.6 x 3.9 cm
Carrollite XL is 6 x 7 x 4
2.8 x 2.9 x 1.5 in

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Cu(Co,Ni)₂S₄

A well formed Carrollite crystal is perched on white Quartz. The crystal is in very good condition with the exception of a hairline crack. There is more Carrollite scattered throughout the Calcite.

From the George Katzmarek collection