n. 重晶石

[化] 重晶石

[医] 重晶石

[ noun ]
a white or colorless mineral (BaSO4); the main source of barium
<noun.substance>

Barite \Ba"rite\, 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.

Barytes \Ba*ry"tes\, n. [Gr. bary`s heavy: cf. Gr. bary`ths
heaviness, F. baryte.] (Min.)
Barium sulphate, generally called {heavy spar} or {barite}.
See {Barite}.