Broken Gypsum crystals usually form a lot less effectively-created rhombs than dolomite does. If part of a sample is crushed into a powder, the powdered dolomite may also react with acid to supply tiny bubbles, whilst gypsum isn't going to. Calcination: The rock is heated in kilns at unique temperatures https://www.propanraya.com/id/produk/eco-gypsum-ee-4050