Barium Nitrate is a colorless to white, odorless, crystalline (sand-like) powder. It is used in making fireworks, for green lights and neon lights, and in ceramic glazes.
Calcium sulfate, CaSO4, is a naturally occurring calcium salt. It is commonly known in its dihydrate form, CaSO4∙2H2O, a white or colourless powder called gypsum
