Metasilicate
[file:Na2SiO3idealized.png|thumb|right|320 px|Idealized structure of sodium metasilicate.]
Metasilicates are silicates containing ions of empirical formula. Common stoichiometries include MSiO3 and MIISiO3. Metasilicates can be cyclic, usually the hexamer or chains .
Common compounds containing metasilicate anion are: