Broken gypsum crystals have a tendency to kind less nicely-produced rhombs than dolomite does. If Component of a sample is crushed into a powder, the powdered dolomite may even react with acid to produce little bubbles, even though gypsum does not. Fibrous satin-spar’s chatoyancy results from parallel alignment of fibers https://www.propanraya.com/id/produk/eco-gypsum-ee-4050