The correct answer is Cryolite.Cryolite is an ore of Aluminum.Cryolite, colorless to white halide mineral, sodium aluminum fluoride (Na3AlF6).Aluminum is the most abundant metal in the earth's crust. It does not occur in the Free State as it is a reactive metal.Bauxite is an ore of Aluminium with the chemical formula Al2O3.2H2O. It is the primary ore of Aluminium. Others ores of Aluminium are Cryolite, Corundum, Feldspar.Ore of some other important metals:MetalOresAluminumBauxite.Cryolite.Corundum, Feldspar.IronHaematiteMagnetiteLimoniteSideriteSilver Horn SilverRuby SilverSilveniteZincCalamine.Sphalerite.Zinc blende.Cobalt Cobaltite.Erythrite.MagnesiumMagnesite.Dolomite.Carnallite.CopperMalachite.Cuprite.Copper pyrites.