Fluorescence: Fluorescence May be the property of the mineral to emit visible light-weight when exposed to ultraviolet radiation. Gypsum would not fluoresce below UV light-weight. The subsequent-major world gypsum producer is a tie between Iran and China, both equally generating sixteen million metric tonnes that 12 months, with Turkey and https://www.propanraya.com/id/produk/eco-gypsum-ee-4050