[@Seirei No Hai] There are plenty of naturally occurring metals, both in pure forms (Such as Gold, Silver, Copper, and platinum metals) as well as the stuff like iron-nickel alloys from meteorites and the like. (Needless science chatter, huzzah!)

[url=https://en.wikipedia.org/wiki/Native_metal]This wikipedia article covers native metals, if it'll help.[/url]