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wollastonite n. 硅酸鈣巖礦,鈣硅石 矽酸鈣岩礦,鈣矽石 wollastonite n 1: a white or greyish mineral typically found in metamorphic limestone; a silicate of calcium 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. [1913 Webster]
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