This method can occur The natural way underground where by anhydrite deposits face groundwater or through anthropogenic things to do that disturb buried anhydrite levels. Crystal System: Gypsum crystals belong on the monoclinic crystal technique. This crystal structure has three unequal axes, with one particular angle amongst axes being non-90 https://www.propanraya.com/id/produk/eco-gypsum-ee-4050