Hydration Of Anhydrite: Gypsum might also type through the hydration of anhydrite (CaSO₄). Anhydrite can be a calcium sulfate mineral that lacks the h2o molecules existing in gypsum. When exposed to water, anhydrite undergoes a hydration reaction, incorporating drinking water molecules into its structure and transforming into gypsum. Why Gypsum https://www.propanraya.com/id/produk/eco-gypsum-ee-4050