Argentite: Ag2S for production of silver Barite: BaSO4 Bauxite Al2O3 for production of aluminium Beryl: Be3Al2(SiO3)6 Bornite: Cu5FeS4 Cassiterite: SnO2 Chalcocite: Cu2S for production of copper Chalcopyrite: CuFeS2 Chromite: (Fe, Mg)Cr2O4 for production of chromium Cinnabar: HgS for production of mercury Cobaltite: (Co, Fe)AsS Columbite-Tantalite or Coltan: (Fe, Mn)(Nb, Ta)2O6 Galena: PbS Gold: Au, typically associated with quartz or as placer deposits Hematite: Fe2O3 Ilmenite: FeTiO3 Magnetite: Fe3O4 Molybdenite: MoS2 Pentlandite:(Fe, Ni)9S8 Pyrolusite:MnO2 Scheelite: CaWO4 Sphalerite: ZnS Uraninite (pitchblende): UO2 for production of metallic uranium Wolframite: (Fe, Mn)WO4
