Metasilicate

Metasilicates are silicates containing ions of empirical formula SiO2−
3
. Common stoichiometries include MI
2
SiO3 and MIISiO3. Metasilicates can be cyclic, usually the hexamer (SiO3)12−6 or chains (SiO3)n2−.

Common compounds containing metasilicate anion are: