Gypsum Are available in hydrothermal veins, which can be fractures in rocks filled with mineral-wealthy fluids that originate from deep inside the Earth's crust. Hydration of Anhydrite: Gypsum can also variety with the hydration of anhydrite (CaSO₄). Anhydrite is actually a calcium sulfate mineral that lacks the h2o molecules existing https://www.propanraya.com/id/produk/eco-gypsum-ee-4050