Cleavage: Cleavage refers to a mineral's tendency to break along precise planes of weak spot. Gypsum displays excellent cleavage in one path and excellent cleavage in A further way. This allows it to break into predictable flat or slightly angled items. Calcination: The rock is heated in kilns at distinct https://www.propanraya.com/id/produk/eco-gypsum-ee-4050