CLASSIFICATION OF MINERALS
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| In the present time they are known more than 2000 minerals species, these are classified according to its structure and chemical composition in 9 classes, that subdivide in groups and subclasses. These fundamental classes and some of their more common minerals are: | |
| I Native Elements: Gold, Silver, Copper, Mercury, Sulfur, Diamond... |
VI Sulphates, molybdates and chromates: Celestine, Crocoite, Gypsum, Wulfenite, Linarite, Anglesite, Baryta... |
| II Sulfides: Pyrite, Galena, Chalcopyrite, Bornita, Sphalerite, Cinnabar, Molibdenite... |
VII Phosphates, arsenates, and vanadates: Vivianite, Apatite, Adamite, Pyromorphite, Turquoise, Vanadinite |
| III Halides:Halite, Fluorite, Atacamite... |
VIII Silicates: Garnet, Olivine, Topaz, Epidote, Beryl, Orthoclase, Albite, Vesuvianite, Tourmaline, Dioptase, Mica, Prehnite, Actinolite, Hornblend, Chrysocolla, Talc. |
| IV Oxides and hydroxides: Quartz, Cuprite, Anatase, Magnetite, Hematite, Goethite, Cassiterite... |
| V Nitrates, carbonates and borates: Aragonite, Calcite, Azurite, Malachite, Cerussite, Dolomite... |
IX Organic Minerals: Amber... |
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