wollastonite

American  

[wool-uh-stuh-nahyt] / ˈwʊl ə stəˌnaɪt /

noun

1. a mineral, calcium silicate, CaSiO 3 , occurring usually in fibrous white masses.

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wollastonite British  

/ ˈwʊləstəˌnaɪt /

noun

1. a white or grey mineral consisting of calcium silicate in triclinic crystalline form: occurs in metamorphosed limestones. Formula: CaSiO 3

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wollastonite Scientific  

/ wl′ə-stə-nīt′ /

1. A white to gray triclinic or monoclinic mineral found in metamorphic rocks and used in ceramics, paints, plastics, and cements. Chemical formula: CaSiO ₃.

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Etymology

Origin of wollastonite

1815–25; named after W. H. Wollaston; -ite ¹

Example Sentences

Calcium silicate is found in other forms, including wollastonite in the crust and breyite in the middle and lower regions of the mantle.

From Scientific American • Nov. 11, 2021

The company conducted exploratory drilling last year to determine the quantity and quality of the wollastonite located on the state land in question.

From New York Times • Jan. 25, 2016

A banded and mottled calc-silicate hornfels occurring with the limestone at Iyerry Falls, W. N.W. of Braemar, has yielded malacolite, wollastonite, brown idocrase, garnet, sphene and hornblende.

From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg

Calcium metasilicate, CaSiO3, occurs in nature as monoclinic crystals known as tabular spar or wollastonite; it may be prepared artificially from solutions of calcium chloride and sodium silicate.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" by Various

The Liassic beds are often metamorphosed and the limestones contain garnet and wollastonite.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" by Various