Fluorescence: Fluorescence Would be the house of a mineral to emit seen light when subjected to ultraviolet radiation. Gypsum isn't going to fluoresce below UV mild. Normal gypsum is mined from geological deposits. These deposits are typically present in sedimentary rock formations made through the evaporation of historic seas. Normal https://www.propanraya.com/id/produk/eco-gypsum-ee-4050