Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

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

from The Century Dictionary.

  • noun A mineral occurring in tabular crystals (hence called tabular spar), also massive, cleavable, with fibrous structure.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Min.) A silicate of lime of a white to gray, red, or yellow color, occurring generally in cleavable masses, rarely in tabular crystals; tabular spar.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun mineralogy A grey inosilicate mineral, mostly calcium silicate, CaSiO3, found deposited in limestone.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a white or greyish mineral typically found in metamorphic limestone; a silicate of calcium

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[After William Hyde Wollaston.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Wollaston +‎ -ite, after William Hyde Wollaston, English chemist and physicist.

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Examples

  • Instead of condensing out hydrocarbons such as asphalt, petroleum jelly, kerosene and gasoline, the exoplanet's atmosphere condenses out minerals such as enstatite, corundum, spinel, and wollastonite.

    Rocky World COROT-7b Rains Rocks | Universe Today 2009

  • In addition, non-textile glass fibers and wollastonite fibers are used.

    1. Technical requirements for Asbestos substitutes 1996

  • The inorganic natural fiber wollastonite is a calcium metasilicate with a chain structure consisting of at least 96.5 % CaO and SiO2.

    1. Technical requirements for Asbestos substitutes 1996

  • Calcium metasilicate, CaSiO_3, 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.

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

  • It just seems to me that if we are going to not have percentage depletion for oil, maybe we should not have it for gold and silver and wollastonite whatever that is.

    Forbes.com: News Peter J Reilly 2011

  • Apart from the calcium-rich mineral wollastonite, the measurements primarily point to the presence of the iron-rich material ferrosillite.

    Yahoo! News: Business - Opinion 2011

  • Endomines has additional claims in Finnish Lappland (gold), Ostrobothnia (ilmenite) and Southern Finland (limestone/wollastonite).

    unknown title 2011

  • They found the signatures of calcium-rich wollastonite as well as iron-rich ferrosillite in their spectral observations of 1999 TA10.

    msnbc.com: Top msnbc.com headlines 2011

  • Grossular discovery and vesuvianite contact metamorphism of limestone, diopside, wollastonite and wernerite.

    VInvesting.com 2010

  • The company will continue to mine wollastonite at its Harrisville site and process it at its mill in Balmat.

    Newswatch 50: Local News 2009

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