Uses: As a minor ore of copper and as mineral specimens. Specimens. Chalcocite is an important copper mineral ore. It has been mined for centuries and is one of the most profitable copper ores. The reasons for this is its high copper content (67% atomic ratio and nearly 80% by weight) and the ease at which copper can be separated from sulfur. It is not however the .
· Smelting is the only commercially viable route to process chalcopyrite, where the oxygenrich environment dictates the distribution of impurities and numerous upstream and downstream unit operations to manage noxious gases and byproducts.