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from the Upper Silurian age
copper has been used by humans as ornamentation
and when exposed to the elements over a long period of time can change into the closely related malachite
in iron smelting and other metallurgy
One of the most widely recognized and unmistakable minerals
Copper Pyrite from the Upper Silurian ageA widespread and industrially important mineral, copper has been used by humans as ornamentation, tools, and as a precious metal for thousands of years. The word copper originates from the latin for the island of Cyprus, where early very productive copper mines supplied much of the ancient world with the material. Copper is a so called native metal, which means it naturally occurs in its metallic form. Natural copper is relatively soft and often found
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