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