Copper is found as a pure metal in nature, and this was the first source of the metal to be used by humans. It was the first metal to be smelted from its ore, The first metal to be cast into a shape in a mold, And the first metal to be purposefully alloyed with another metal, tin, to create bronze.
In the Roman era, copper was principally mined on Cyprus, the origin of the name of the metal, from aes сyprium (metal of Cyprus), later corrupted to сuprum, from which the words copper (English), cuivre (French), Koper (Dutch) and Kupfer (German) are all derived. Architectural structures built with copper, corrode to give green verdigris (or patina). Decorative art prominently features copper, both in the elemental metal and in compounds as pigments.
Copper is essential to all living organisms as a trace dietary mineral. In humans, copper is found mainly in the liver, muscle, and bone.The adult body contains between 1.4 and 2.1 mg of copper per kilogram of body weight. Hence a healthy human weighing 60 kilogram contains approximately 0.1 g of copper. However, this small amount is essential to the overall human well-being