Category:Wollastonite

Wol"las*ton*ite, n. Etym: [after dr. W. H. Wollaston, an english Chemist, who died in 1828.] (min.)

Defn: a silicate of lime of a white to gray, red, or yellow color, Occurring generally in cleavable masses, rarely in tabular crystals; Tabular spar.