| Group 1 - Elements | | Sulphur | 1.CC.05 | | | Group 2 - Sulphides and Sulfosalts | | Pyrite | 2.EB.05a | | | Group 3 - Halides | | Fluorite | 3.AB.25 | | | Sellaite | 3.AB.15 | | | Group 4 - Oxides and Hydroxides | | Quartz | 4.DA.05 | | | Group 7 - Sulphates, Chromates, Molybdates and Tungstates | | Gypsum | 7.CD.40 | | | Group 9 - Silicates | | Albite | 9.FA.35 | |
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