(redirected from Calcium metasilicate)
Also found in: Thesaurus, Encyclopedia.


A white to gray mineral, essentially CaSiO3, found in metamorphic rocks and used in ceramics, paints, plastics, and cements.

[After William Hyde Wollaston.]


(Minerals) a white or grey mineral consisting of calcium silicate in triclinic crystalline form: occurs in metamorphosed limestones. Formula: CaSiO3
[C19: named after W. H. Wollaston (1766–1828), English physicist]


(ˈwʊl ə stəˌnaɪt)

a mineral, calcium silicate, CaSiO3, occurring usu. in white, brown, or red granular masses.
[1815–25; after W. H. Wollaston; see -ite1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.wollastonite - a white or greyish mineral typically found in metamorphic limestone; a silicate of calcium
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
References in periodicals archive ?
1 to 5 parts per hundred parts resin (phr) of one or more wax and from 75 phr to 200 phr of one or more extenders wherein the one or more extenders is selected from the group consisting of barium sulfate, titanium dioxide, iron oxides, crystalline silica (quartz), calcium metasilicate, soda lime glass spheres, magnesium silicate, nepheline syenite, muscovite mica, diatomaceous earth, kaolin clay and calcium carbonate.
is intended to reduce these emissions through the use of calcium metasilicate that can either be naturally mined or synthesized by solid-state reaction at lower temperatures than traditional methods.