Hypertext Webster Gateway: "wollastonite"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Wollastonite \Wol"las*ton*ite\, n. [After Dr. W. H. Wollaston,
an English chemist, who died in 1828.] (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 WordNet (r) 1.7 (wn)
wollastonite
n : a white or grayish mineral typically found in metamorphic
limestone; a silicate of calcium
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