By Sue Williams,2014-04-09 21:49
Sulfides include the majority of the ore minerals. They have the general formula:
Where X = metal and Z is S, As, or Te. One cannot make generalizations about their structures
overall. The sulfides that you need to know are pyrite, marcasite, pyrrhotite, sphalerite, galena,
chalcopyrite and arsenopyrite.
Pyrite and Marcasite: (FeS