Copper, is an element, on the Periodic Table of the Elements. It is number 29, and has the symbol Cu. Copper is an excellent conductor of electricity. Pure copper has an reddish-orange color, and it is the one of the few naturally occurring metals to be completely usable in metallic form, opposed to extraction from ore, this actually lead to early human use during the neolithic and paleolithic era from (c. 8000 BC), and the first metal to be smelted from it's ore (c. 4500 BC).
During the time of the Romans, it was mined on Cyprus, the original name of the metal, later corrupted to "cuprum", which later became the letter copper as it is today.