Hydration Of Anhydrite: Gypsum may sort through the hydration of anhydrite (CaSO₄). Anhydrite can be a calcium sulfate mineral that lacks the h2o molecules existing in gypsum. When subjected to water, anhydrite undergoes a hydration reaction, incorporating h2o molecules into its construction and reworking into gypsum. Agriculture: Gypsum is applied https://www.propanraya.com/id/produk/eco-gypsum-ee-4050