Damaged gypsum crystals are inclined to kind less nicely-created rhombs than dolomite does. If Element of a sample is crushed right into a powder, the powdered dolomite may even react with acid to produce little bubbles, when gypsum would not. Fibrous satin-spar’s chatoyancy final results from parallel alignment of fibers https://www.propanraya.com/id/produk/eco-gypsum-ee-4050