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