wollastonite

noun
wol·​las·​ton·​ite | \ ˈwu̇-lə-stə-ˌnīt How to pronounce wollastonite (audio) , ˈwä- How to pronounce wollastonite (audio) \

Definition of wollastonite

: a triclinic mineral consisting of a native calcium silicate occurring usually in cleavable masses

First Known Use of wollastonite

1823, in the meaning defined above

History and Etymology for wollastonite

William H. Wollaston

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The first known use of wollastonite was in 1823

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Britannica.com: Encyclopedia article about wollastonite

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