
Barite or Baryte (Ba S O> 4) is a natural mineral consisting of barium and sulfate. The mineral is abundant around the world but is rarely in economically high concentrations. Scotland has two known economical sources; Foss Mine and Duntanlich mine. The mineral characteristics of Barite are: Hardness 3-3.5 (Mohs) Pure Barite Density 4.48t/m3