This method can arise naturally underground the place anhydrite deposits come across groundwater or in the course of anthropogenic pursuits that disturb buried anhydrite layers. Gypsum happens in comprehensive beds connected with other evaporite minerals (e.g., anhydrite and halite), particularly in Permian and Triassic sedimentary formations; it is deposited from https://www.propanraya.com/id/produk/eco-gypsum-ee-4050