Fluorescence: Fluorescence Is the property of the mineral to emit noticeable light-weight when exposed to ultraviolet radiation. Gypsum won't fluoresce beneath UV mild. Hydration of Anhydrite: Gypsum could also kind from the hydration of anhydrite (CaSO₄). Anhydrite is really a calcium sulfate mineral that lacks the water molecules present in https://www.propanraya.com/id/produk/eco-gypsum-ee-4050