This process can happen In a natural way underground where by anhydrite deposits experience groundwater or all through anthropogenic activities that disturb buried anhydrite levels. Crystal Program: Gypsum crystals belong on the monoclinic crystal system. This crystal framework has three unequal axes, with 1 angle concerning axes becoming non-90 degrees. https://www.propanraya.com/id/produk/eco-gypsum-ee-4050