Gypsum Is a tender sulfate mineral composed of calcium sulfate dihydrate, Using the chemical components CaSO4·2H2O.[4] It can be commonly mined and is particularly made use of being a fertilizer and because the most important constituent in several sorts of plaster, drywall and blackboard or sidewalk chalk. Fibrous satin-spar’s chatoyancy https://www.propanraya.com/id/produk/eco-gypsum-ee-4050