Fluorescence: Fluorescence Could be the property of the mineral to emit obvious gentle when subjected to ultraviolet radiation. Gypsum would not fluoresce below UV mild. Normal gypsum is mined from geological deposits. These deposits are generally found in sedimentary rock formations produced because of the evaporation of historic seas. Organic https://www.propanraya.com/id/produk/eco-gypsum-ee-4050