Carrollite
4.05 ct
Diamond Shape
12.40 x 9.90 x 5.80 mm
H5
max9865

Carrollite A rare Cobalt, Copper and Nickel Sulfide with formula: Cu(Co,Ni)2S4 The hardness is 4.5-5.5 and quite brittle. It comes from Kamoy South II Mine,Kamoya;Kambove, Central area,Katanga Copper Crescent, Katanga(Shaba),Congo. The luster is metallic like silver and rarely seen in facet gems! Size: 12.4x9.9x5.8 mm. Weight: 4.05 ct.