Barite, chemical formula BaSO4, it also contains Sr and Ca. Stable chemical performance, hardly soluble in water and acid, non-toxic and nonmagnetic, can absorb X-ray and γ-ray.
Main Property
Chemical  formula  | Chemical  composition/%  | Density(g/cm3)  | Mohs  hardness  | Crystal  system  | Shape  | Color  | 
BaSO4  | BaO65.7;SO334.3  | 4.5  | 2.5 ~3.5  | rhombic  | tabular column  | white or grey-white  | 
Application:oil, paint, chemical industry, rubber, plastic, friction material, glass additives and other industrial departments.