Inclusions: All-natural Gypsum crystals generally comprise inclusions, which might be international minerals or resources trapped inside the crystal framework through formation. Prevalent inclusions in gypsum is usually clay minerals, iron oxides that cause coloration, or maybe very small gas bubbles. Once the calcium concentrations get to the ideal volume of https://www.propanraya.com/id/produk/eco-gypsum-ee-4050