Common ores of Aluminium
Common ores | Chemical name | Formula |
1. Bauxite | Hydrated aluminium oxide | A1203.2H20 |
2. Cryolite | Sodium aluminium fluoride | Na3AlF6 |
3. Corundum | Anhydrous aluminium oxide | A1203 |
Common ores of Iron
Common ores | Chemical name | Formula |
Red haematite | Anhydrous ferric oxide | Fe203 |
Brown haematite | Hydrated ferric oxide | 2Fe203.3H20 |
Magnetite | Triferric tetraoxide | 4 |
Iron pyrites | Iron disulphide | FeS2 |
Siderite | Ferrous carbonate | FeC03 |
Common ores of Zinc
Common ores | Chemical name | Formula |
Zinc blende | Zinc sulphide | ZnS |
Zincite | Zinc oxide | ZnO |
Calamine | Zinc carbonate | ZnC03 |