Transparency: Gypsum Can vary from transparent to translucent, according to the crystal development and presence of inclusions. Transparent crystals allow for gentle to pass through Evidently, even though translucent specimens make it possible for some gentle passage but appear cloudy or hazy. Density and Precise Gravity: Density refers to the https://www.propanraya.com/id/produk/eco-gypsum-ee-4050