20191111 ensp 0183 enspIron ores 1 are rocks and minerals from which metallic iron can be economically extracted The ores are usually rich in iron oxides and vary in colour from dark grey bright yellow or deep purple to rusty red The iron is usually found in the form of magnetite Fe 3O 4 72 4 Fe hematite Fe 2O 3 69 9 Fe goethite FeO OH 62 9 Fe…