Cleavage: Cleavage refers to the mineral's inclination to interrupt alongside distinct planes of weak point. Gypsum exhibits great cleavage in a single way and very good cleavage in another route. This permits it to interrupt into predictable flat or slightly angled pieces. If you propose to use gypsum during the https://www.propanraya.com/id/produk/eco-gypsum-ee-4050