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