Stucco: This Exterior plaster cladding is often designed by using a base of gypsum, supplying a weather-resistant and attractive end for making facades. Gypsum happens in intensive beds associated with other evaporite minerals (e.g., anhydrite and halite), specially in Permian and Triassic sedimentary formations; it can be deposited from ocean https://www.propanraya.com/id/produk/eco-gypsum-ee-4050