Barium carbonate (BaCO3), witherite supplier Distributor Manufacturer in kolkata india
Barium carbonate (BaCO3), also known as witherite, is a chemical compound used in rat poison, bricks, ceramic glazes and cement.Witherite crystallizes in the orthorhombic system. The crystals are invariably twinned together in groups of three, giving rise to pseudo-hexagonal forms somewhat resembling bipyramidal crystals of quartz, the faces are usually rough and striated horizontally. It transforms into an hexagonal phase at 1084 K that changes into a cubic phase at 1254 K.