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