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Metasilicate

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Source updated August 18, 2026

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Metasilicates are silicates containing ions of empirical formula SiO²⁻
₃. Common stoichiometries include M^I
₂SiO₃ and M^II
SiO₃. Metasilicates can be cyclic, usually the hexamer (SiO₃)12−6 or chains (SiO
₃)²⁻
_n.

Common compounds containing metasilicate anion are:

Idealized structure of sodium metasilicate.

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Sources and credits

This article is adapted from the Wikipedia article “Metasilicate”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.

Images, from Wikimedia Commons:

Diopside-172005.jpg by Robert M. Lavinsky, CC BY-SA 3.0
Na2SiO3idealized.png by Smokefoot, Public domain

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