Copper 
Concentrate
Copper is extracted from underground or open pit mines, then crushed, ground into powder and processed into concentrate.
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Copper Metal
Most copper is mined or extracted as copper sulfides from large open pit mines in porphyry copper deposits.
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Copper Powder
Copper powder is a bronzing powder made by saturating nitrous acid with copper and precipitating the latter by the addition of iron.
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Copper Sulfate
Copper sulfate is produced industrially by treating copper metal or its oxides with sulfuric acid.
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