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