Transparency: Gypsum Can vary from transparent to translucent, dependant upon the crystal development and presence of inclusions. Transparent crystals allow for light-weight to pass through clearly, even though translucent specimens let some light-weight passage but look cloudy or hazy. What Are the Other Choices? There are already studies which have https://www.propanraya.com/id/produk/eco-gypsum-ee-4050