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Copper

Copper, as native copper, is one of the few metals to naturally occur as an un-compounded mineral. Copper was known to some of the oldest civilizations on record, and has a history of India the use that is similer to gold and silver, before millioms of years old.

As the world history is about billions of years old. No one knows exactly when copper was first discovered, but as earliest Indian history the starting period of civilization about 10000 billion years ago, the people of India were well-known with copper and they also made different type of ornamental pieces from copper. And as per other world history earliest estimates place this event around 9000 BC in the Middle East. A copper pendant was found in what is now northern Iraq that dates to 8700 BC. It is probable that gold and iron were the only metals used by humans before copper. By 5000 BC, there are signs of copper smelting: the refining of copper from simple copper compounds such as malachite or azurite.

Alloying to make brass or bronze was realized soon after the discovery of copper itself. There exist copper and bronze artifacts from Sumerian cities that date to 3000 BC, and Egyption artifacts of copper and copper-tin alloys nearly as old. In one pyramid, a copper plumbing system was found that is 5000 years old. The Egyptians found that adding a small amount of tin made the metal easier to cast, so copper-tin (Bronze) alloys were found in Egypt almost as soon as copper was found to the world as world history.

Throughout history, copper's use in art has extended far beyond currency.Upto 18th century A.D., thin sheets of copper were commonly used as a canvas for paintings. Silver plated copper was used in the pre-photograph The Statue of Liberty, dedicated on October 28, 1886, was constructed of copper thought to have come from French-owned mines in Norway.Today copper used for alloying to gold, for jewellery, for industrial purpose, for electronic and many more uses.