... salt,optical glass Barium Carbonate1) Item: barium carbonate 99% min 2) Molecular formula: BaCO3 ... Carbonate appears white free flowing powder, or white amorphous granular 4) Usage: Barium Carbonatemainly used in glass industry ... industry, ceramics, tile, water purifying, kinescope glass shell, optical glass, fluorescent light glass, construction material and making other barium salts5) Barium Carbonate ...