Fluorescence: Fluorescence Will be the property of a mineral to emit obvious light when exposed to ultraviolet radiation. Gypsum doesn't fluoresce below UV light-weight. Hydration of Anhydrite: Gypsum could also sort from the hydration of anhydrite (CaSO₄). Anhydrite is actually a calcium sulfate mineral that lacks the h2o molecules current https://www.propanraya.com/id/produk/eco-gypsum-ee-4050