Whether Or not in the shape of vast gypsum dunes in deserts or even the intricate underground worlds of gypsum caves, gypsum’s existence leaves a distinct mark on this planet’s geography and landforms. Gypsum occurs in considerable beds linked to other evaporite minerals (e.g., anhydrite and halite), especially in Permian https://www.propanraya.com/id/produk/eco-gypsum-ee-4050