Following is a list of minerals that serve as copper ores in the copper mining process:[1]
Image | Name | Formula | % Copper when pure |
---|---|---|---|
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Chalcopyrite | CuFeS2 | 34.5 |
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Chalcocite | Cu2S | 79.8 |
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Covellite | CuS | 66.5 |
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Bornite | 2Cu2S·CuS·FeS | 63.3 |
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Tetrahedrite | Cu3SbS3 + x(Fe,Zn)6Sb2S9 | 32–45 |
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Digenite | Cu9S5 | 78.1 |
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Malachite | CuCO3•Cu(OH)2 | 57.7 |
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Azurite | 2CuCO3·Cu(OH)2 | 55.1 |
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Cuprite | Cu2O | 88.8 |
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Chrysocolla | (Cu,Al)2H2Si2O5(OH)4·n(H2O) | 37.9 |
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Tennantite | Cu12As4S13 | 51.6 |
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Dioptase | CuSiO2(OH)2 | 45.3 |
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Enargite | Cu3AsS4 | 48.4 |
References
[edit]- ^ Samans, Carl H. Engineering Metals and their Alloys MacMillan 1949