Transparency: Gypsum Can range from clear to translucent, dependant upon the crystal development and presence of inclusions. Transparent crystals permit gentle to pass through Plainly, though translucent specimens permit some light-weight passage but surface cloudy or hazy. The easiest way to understand minerals is to check with a collection of https://www.propanraya.com/id/produk/eco-gypsum-ee-4050