Hydration Of Anhydrite: Gypsum might also sort throughout the hydration of anhydrite (CaSO₄). Anhydrite is usually a calcium sulfate mineral that lacks the drinking water molecules present in gypsum. When exposed to h2o, anhydrite undergoes a hydration response, incorporating water molecules into its framework and remodeling into gypsum. Plaster: Gypsum https://www.propanraya.com/id/produk/eco-gypsum-ee-4050