Broken gypsum crystals are inclined to type much less nicely-made rhombs than dolomite does. If Element of a sample is crushed right into a powder, the powdered dolomite will likely react with acid to supply compact bubbles, when gypsum doesn't. Calcination: The rock is heated in kilns at specific temperatures https://www.propanraya.com/id/produk/eco-gypsum-ee-4050