Native metal

A native metal is any of a number of metals that can be found freely in nature. These metals include bismuth, cadmium, chromium, indium, iron, nickel, tellurium, tin, titanium, and zinc, as well as two groups of metals: the gold group, and the platinum group. The gold group consists of gold, copper, lead, mercury, and silver. The platinum group consists of platinum, iridium, osmium, palladium, rhodium, and ruthenium.