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