Silikatni minerali su velika i jako važna grupa minerala. Klasificiraju se prema strukturi silikatnog iona:

  • Nezosilikati (tetraedri) - [SiO4]4−, npr. olivin.
  • Sorosilikati (dvostruki tetraedri) - [Si2O7]6−, npr. epidot.
  • Ciklosilikati (prsten) - [SinO3n]2n−, npr. turmalini
  • Inosilikati(jednostruki lanac) - [SinO3n]2n−, npr. pirokseni
  • Inosilikati (dvostruki lanac) - [Si4nO11n]6n−, npr. amfiboli
  • Filosilikati (listovi) - [Si2nO5n]2n−, npr. talk
  • Tektosilikati (trodimenzionalna mreža) - [AlxSiyO2(x+y)]x−, npr. kvarc, zeoliti

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