... %Min Whiteness:88% Size:300Mesh,525Mesh,2500Mesh Barite PowderBarite, barytes barium or heavy spar, a white, yellow, blue, red, or colorless ... mineral. It is a sulfate of barium, BaSO 4, found in nature as tabular crystals or in ... chemical reagents. Barite is used as a commercial source of barium and many of its compounds. Ground barite is used as ...