Barite
Barite is a mineral made up of barium sulfate (BaSO4). It has a Mohs hardness of 3 to 3.5 and a specific gravity of 4.3 to 5 and comes in various colors, including colorless, white, blue, brown, yellow, and red. Due to its relative softness, the mineral is simple to powderize. Barite is safe for many applications because it is non-toxic and non ...