Fluorescence: Fluorescence Will be the assets of a mineral to emit seen light-weight when subjected to ultraviolet radiation. Gypsum won't fluoresce less than UV gentle. Normal gypsum is mined from geological deposits. These deposits are generally present in sedimentary rock formations established through the evaporation of historic seas. Normal gypsum https://www.propanraya.com/id/produk/eco-gypsum-ee-4050