Caption
Barite (BaS04), the main ore of barium, with Chalcopyrite. Mineral class: sulfates, barite is an important commercial mineral, widely used as a pigment, and used in medical tests. Sample from Dreislar Mine, Dreislar, Winterberg- Sauerland, North Rhine-Westphalia, Germany.
Availability
Only inBelgium, Canada, France, Luxembourg, Switzerland