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User:WriterHound/Copper ores

From Wikipedia, the free encyclopedia
Name Formula % Copper
when pure
Chalcopyrite
CuFeS2
34.5
Chalcocite
Cu2S
79.8
Covellite
CuS
66.5
Bornite
2Cu2S•CuS•FeS
63.3
Tetrahedrite
Cu3SbS3 + x(Fe,Zn)6Sb2S9
32-45
Malachite
CuCO3•Cu(OH)2
57.3
Azurite
2CuCO3•Cu(OH)2
55.1
Cuprite
Cu2O
88.8
Chrysocolla
CuO•SiO2•2H2O
37.9

Principal Copper-bearing Minerals[1]

  1. ^ Samans, Carl H. Engineering Metals and their Alloys MacMillan 1949