Chalcocite, Gypsum
Nababeep West Mine, Nababeep tungsten mines, Nababeep, Okiep Copper District, Namakwa District Municipality, Northern Cape, South Africa
6.5 x 4.5 x 4.1 cm. From a remote copper mining locale, this is a hefty, very rich specimen of sharp chalcocite crystals on matrix. The crystals, to about 1 cm, are intergrown with gypsum and copper ore. Highly unusual, rare material. Ex. Phil Scalisi Collection.
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