The Chalcolithic period, or Copper Age, gets its name from the Greek words for "copper" (χαλκός, khalkós) and "stone" (λίθος, líthos). Also called the Eneolithic, it marks the transition between the Neolithic and Bronze Age, with Eastern Europe often using the term "Eneolithic."
During this time, copper was the main metal used in metalworking, before the discovery that tin could be added to create the stronger alloy, bronze. alloy.
