n. [ Gr. bary`s heavy: cf. Gr. bary`ths heaviness, F. baryte. ] (Min.) Barium sulphate, generally called heavy spar or barite. See Barite. [ 1913 Webster ]

n. (Min.) Native sulphate of barium, a mineral occurring in transparent, colorless, white to yellow crystals (generally tabular), also in granular form, and in compact massive forms resembling marble. It has a high specific gravity, and hence is often called heavy spar. It is a common mineral in metallic veins. [ 1913 Webster ]