Hydration Of Anhydrite: Gypsum can also variety through the hydration of anhydrite (CaSO₄). Anhydrite is really a calcium sulfate mineral that lacks the drinking water molecules current in gypsum. When subjected to h2o, anhydrite undergoes a hydration reaction, incorporating water molecules into its construction and transforming into gypsum. Gypsum modifications https://www.propanraya.com/id/produk/eco-gypsum-ee-4050