- a mineral, calcium silicate, CaSiO3, occurring usually in fibrous white masses.
Origin of wollastonite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for wollastonite
The Liassic beds are often metamorphosed and the limestones contain garnet and wollastonite.
- a white or grey mineral consisting of calcium silicate in triclinic crystalline form: occurs in metamorphosed limestones. Formula: CaSiO 3
C19: named after W. H. Wollaston (1766–1828), English physicist
- A white to gray triclinic or monoclinic mineral found in metamorphic rocks and used in ceramics, paints, plastics, and cements. Chemical formula: CaSiO3.
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