| Group 2 - Sulphides and Sulfosalts | | Chalcopyrite | 2.CB.10a | | | Group 3 - Halides | | Fluorite | 3.AB.25 | | | Group 4 - Oxides and Hydroxides | | Quartz | 4.DA.05 | | | | var: Amethyst | 4.DA.05 | | | Group 5 - Nitrates and Carbonates | | Azurite | 5.BA.05 | | | Calcite | 5.AB.05 | | | Malachite | 5.BA.10 | | | Group 7 - Sulphates, Chromates, Molybdates and Tungstates | | Baryte | 7.AD.35 | | | Group 9 - Silicates | | Beryl | 9.CJ.05 | | | Unclassified Minerals | | 'Garnet Group' | - | | X | | Z | | (TO | | ) | | (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V) |
| | Limonite | - | |
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