Cornetite

Cu3SO4(OH)4

This sample of cornetite is displayed in the Smithsonian Museum of Natural History. Cornetite is a phosphate mineral of copper with the composition Cu3PO4(OH)4. The sample at left is about 12 cm across and is from Star of the Congo mine, Lubumbashi, Shaba, D. R. Congo.

Mindat: Cornetite

Minerals
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