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SILICATE MINERALS Silicon-oxygen (Si-O) tetrahedrons Making silicate minerals Important silicate minerals olivine: isolated tetrahedrons pyroxene family: single chains amphibole family: double chains mica family, clay mineral family: sheets feldspar family, quartz: framework structures
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SILICATE MINERALS Silicon-oxygen (Si-O) tetrahedrons Making silicate minerals Important silicate minerals olivine: isolated tetrahedrons pyroxene family: single chains amphibole family: double chains mica family, clay mineral family: sheets feldspar family, quartz: framework structures
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SILICATE MINERALS Silicon-oxygen (Si-O) tetrahedrons Making silicate minerals Important silicate minerals olivine: isolated tetrahedrons pyroxene family: single chains amphibole family: double chains mica family, clay mineral family: sheets feldspar family, quartz: framework structures
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Neutralizing the excess negative charge of the Si-O tetrahedron • Add Fe 2+ , Mg 2+ , K + , Na + , other cations
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