THE ORES & MINERALS OF VARIOUS METALS
| Metals | Minerals/ores with their chemical formula | ||
| 1. | Iron (VIII, transition metal) | (a) | Iron pyrite; FeS2 (as sulphide) |
| (b) | Siderite; FeCO3 (as carbonate) | ||
| (c) | Red haematite; Fe2O3 (as oxide) | ||
| (d) | Magnetite; Fe3O4 (as oxide) | ||
| (e) | Limonite or brown haematite; 2Fe2O3.3H2O (as oxide) | ||
| 2. | Magnesium (II A, bridge metal) | (a) | Cuprite; Cu2O (as oxide) |
| (b) | Copper pyrites; CuFeS2 (as sulphides) | ||
| (c) | Copper glance; Cu2S (as sulphides) | ||
| | | (d) | malachite; CuCO3.Cu(OH)2 |
| (e) | Azurite;2CuCO3.Cu(OH)2 | ||
| 3. | Tin (IV A, amphoteric metal) | (a) | Cassiterite or Tin stonel SnO2 (as oxide) |
| (b) | Stannite; Cu2S.FeS.SnS2 (as sulphide) | ||
| 4. | Lead (IV A, amphoteric metal) | (a) | Galena; PbS (as sulphide) |
| (b) | Cerussite; PbCO3 (as carbonate) | ||
| (c) | Anglessite; PbSO4 (as sulphate) | ||
| (d) | White lead; 2Pb(OH)2.PbCO3 (as carbonate) | ||
| 5. | Magnesium (II A, bridge metal) | (a) | Carnalite; KCI.MgCI2.6H2O (as chloride) |
| (b) | Dolomite; MgCO3.CaCO3 (as carbonate) | ||
| (c) | Magnesite; MgCO3 (as carbonate) | ||
| (d) | Epsomite; MgSO4.7H2O (as sulphate) | ||
| (e) | Kiesserite; MgSO4.H2O (as sulphate) | ||
| (f) | Asbestos; CaMg(SiO3)4 | ||
| 6. | Aluminium (III A, amphoteric metal) | (a) | Bauxite; AI2O.2H2O (as oxide) |
| (b) | Corundum; AI2O3 (as oxide) | ||
| (c) | Feldspar; KAISi3O6 (as oxide) | ||
| (d) | Clay silicate; AI2O3.2SiO2.2H2O (as oxide) | ||
| (e) | Cryolite; 3NaF.AIF3.(Na3AIF6) (as halide) | ||
| (f) | Alum; K2O.3AI2(SO4)3.24H2O (as sulphate) | ||
| (g) | Diaspore; AI2O3.H2O (as oxide) | ||
| (h) | Mica; K2O.3AI2O3.6SiO2.2H2O (as oxide) | ||
| 7. | Zinc (II B, amphoteric metal) | (a) | Zinc blende; ZnS (as sulphide) or sphalerite |
| (b) | Zincite; ZnO (as oxide) | ||
| (c) | Smithsonite, ZnCO3 (as carbonate) | ||
| (d) | Hemimorphite or Calamine, Zn2SiO4.H2O (as silicate) | ||
| 8. | Silver (IB, best reductive metal) | (a) | Horn silver (Chlorapatite); AgCI (as halide) |
| (b) | Lunar caustic; AgNO3 (as nitrate) | ||
| (c) | Silver glance or argentite; Ag2S (as sulphide) | ||
| (d) | Ruby silver or pyrogyrite; 3Ag2S.Sb2S3 |
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