Pyrite is the most widely distributed metal in the crust. Usually it occurs as idiomorphic crystal with strong metal luster, which makes it easy to differentiate from other metal. It' s similar to chalcopyrite but shows lighter luster and a higher percentage of idiomorphic crystal. It is usually co-generated together with all kinds of pyrite such as chalcopyrite and
chalcopyrite and exists in rhodochrosite in the form of grain crystal.