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Which minerals are major sources of copper, zinc, and lead?
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mineral processing
Schematic diagram of a flotation separation cell.
In the context of metallurgy and mineral processing, the primary sources for copper, zinc, and lead are typically sulfide minerals. These minerals are often found in complex deposits and are separated through processes such as flotation.123
Major Mineral Sources
- Copper: The most important minerals include chalcopyrite, chalcocite, and bornite. Other sources include cuprite, malachite, and azurite.4
- Zinc: The chief source is the sulfide mineral sphalerite (also known as zinc blende). Secondary minerals, which are oxidation products of the sulfide, include smithsonite and hemimorphite.52
- Lead: The primary ore is galena (lead sulfide). Secondary minerals derived from the weathering of galena include cerussite and anglesite.63
Because these minerals frequently occur together in nature—for instance, galena is often associated with sphalerite and chalcopyrite—the extraction of one metal often serves as a by-product of mining the others.623