| Silicate Minerals |
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| silicate minerals | |
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| silicates | |
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Subclasses: NESOSILICATES ''Nesosilicates'' (or ''orthosilicates'') have SiO4 tetrahedra that are isolated and connected by interstitial cations.
SOROSILICATES ''Sorosilicates'' have isolated double tetrahedra groups with Si2O7 or a ratio of 2:7.
CYCLOSILICATES ''Cyclosilicates'', ring silicates, have linked tetrahedra with SixO3x or a ratio of 1:3. INOSILICATES ''Inosilicates'', chain silicates, have interlocking chains of silicate tetrahedra with either SiO3, 1:3 ratio, for single chains or Si4O11, 4:11 ratio, for double chains. Single chain inosilicates:
Double chain inosilicates:
PHYLLOSILICATES ''Phyllosilicates'', sheet silicates, form parallel sheets of silicate tetrahedra with Si2O5 or a 2:5 ratio.
TECTOSILICATES ''Tectosilicates'', framework silicates, have a three dimensional framework of silicate tetrahedra with SiO2 or a 1:2 ratio. This is the largest group comprising nearly 75% of the Crust of the Earth .
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