Hydration Of Anhydrite: Gypsum may form through the hydration of anhydrite (CaSO₄). Anhydrite can be a calcium sulfate mineral that lacks the h2o molecules current in gypsum. When exposed to drinking water, anhydrite undergoes a hydration reaction, incorporating water molecules into its composition and reworking into gypsum. Gypsum happens in https://www.propanraya.com/id/produk/eco-gypsum-ee-4050