Oxides Hematite Fe2O3
Magnetite Fe3O4
Hydroxides Gibbsite Al(OH)3
Goethite FeO(OH)
Sulfides Pyrite FeS2
Sulfates Gypsum CaSO4 x 2 H2O
Anhydrite CaSO4
Oxides Hematite Fe2O3
Magnetite Fe3O4
Hydroxides Gibbsite Al(OH)3
Goethite FeO(OH)
Sulfides Pyrite FeS2
Sulfates Gypsum CaSO4 x 2 H2O
Anhydrite CaSO4