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Table 1. Copper Minerals. mineral Antlerite Azurite Bornite formula CuSO4 2 Cu(OH)₂ . Cuprite Malachite Native Copper Tenorite 2CuCO3 Cu(OH)2 Cu FeS4 Brochantite Chalcopyrite CuFeS2 Chalococite Cu₂S Chrysocolla Covellite CuSO4 3 Cu(OH) 2 ♦ CuSiO3 2 H₂O CuS Cu₂0 CuCO3 Cu(OH) 2 Cu CuO opper-containing minerals are listed above in Table 1. specific gravity 3.9 3.8 4.2 3.9 4.2 5.7 2.1 4.6 6.0 4.0 8.8 6.0 b. In what oxidation states does copper tend to exist? What other elements are usually part of copper minerals? c. For each mineral listed calculate the % Cu by mass (feel free to do any of these analyses using a spreadsheet and then simply upload along with your answer sheet). d. Which minerals are richest in Cu? Choose the 5 minerals containing the most copper by mass. e. Of the five minerals with the most copper, use the specific gravity to find which mineral has the most copper in the smallest volume of rock.