Hydration Of Anhydrite: Gypsum might also kind throughout the hydration of anhydrite (CaSO₄). Anhydrite can be a calcium sulfate mineral that lacks the drinking water molecules existing in gypsum. When subjected to water, anhydrite undergoes a hydration reaction, incorporating water molecules into its framework and remodeling into gypsum. Agriculture: Gypsum https://www.propanraya.com/id/produk/eco-gypsum-ee-4050