Wollastonite

noun

Definitions

Noun
  1. 1
    A grey inosilicate mineral, mostly calcium silicate, CaSiO₃, found deposited in limestone. countable, uncountable
  2. 2
    a white or greyish mineral typically found in metamorphic limestone; a silicate of calcium wordnet

Etymology

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

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