Gypsum Are available in hydrothermal veins, that are fractures in rocks filled with mineral-prosperous fluids that originate from deep inside the Earth's crust. Hydration of Anhydrite: Gypsum also can form throughout the hydration of anhydrite (CaSO₄). Anhydrite is actually a calcium sulfate mineral that lacks the water molecules current in https://www.propanraya.com/id/produk/eco-gypsum-ee-4050