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As the third most-consumed metal on the planet, behind iron ore and aluminum, copper is all around us. Found naturally in the Earth’s crust, copper was among the first metals used by early humans, dating back to the 8th century, BC.  Three thousand years later homo sapiens figured out how to smelt copper from its ore, and to alloy it with tin to create bronze. Bronze was useful for tools and weapons, making it one of the most important inventions in the history of civilization. The Copper Age Nothing happens without copper; as it turns out, not even civilization itself. Beginning around 5,000 BC, the “Chalcolithic”  (from the Greek “khalkos” for copper and “lithos” for stone) or Copper Age was a transitionary period between the Neolithic (Stone Age) and the Bronze Age.

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