Gold was generally used for a couple thousand years solely to create things such as jewelry and idols for worship. This was until around 1500 BC when the ancient empire of Egypt, which benefited greatly from its gold-bearing region, Nubia, made gold the first official medium of exchange for international trade.

Silver's history is long. The first evidence of silver mining dates back to 3000 B.C., in Turkey and Greece, according to the RSC. Ancient people even figured out how to refine silver. They heated the silver ore and blew air over it, a process called cupellation.