<P> The spectrum of copper minerals closely resembles that of silver, ranging from oxides of its multiple oxidation states through sulfides and silicates to halides and chlorates, iodates, nitrates and others . Natural alloys of copper (particularly with silver; the two metals can also be found in separate but co-mingled masses) are also found . </P> <P> Most of the native iron on earth is actually not in fact "native", in the traditional sense, to Earth . It mainly comes from iron - nickel meteorites that formed millions of years ago but were preserved from chemical attack by the vacuum of space, and fell to the earth a relatively short time ago . Metallic meteorites are composed primarily of the iron - nickel alloys: taenite (high nickel content) and kamacite (low nickel content). However, there are a few areas on earth where truly native iron can be found . </P> <P> Native nickel has been described as serpentinite due to hydrothermal alteration of ultramafic rocks in New Caledonia and elsewhere . </P> <P> Metallic cobalt has been reported in the Canadian Lorraine Mine, Cobalt - Gowganda region, the Timiskaming District, Ontario, Canada, and in the Aidyrlya gold deposit in Orenburgskaya Oblast of the Southern Urals . </P>

Metal is found in pure state in nature