Global salt is a substance which is very helpful for storing low-grade solar heat because it has a very high heat storage capacity during the transition from the solid phase to the liquid phase. It is also used for the creation of chill mats for laptop computers. This product is widely used by the chemical industry to produce a variety of crucial compounds for commerce. When brines containing sodium sulphate as an evaporite combine to generate this product, it is thought to be a vitreous mineral with a white or colourless appearance. Global salt can have a colourless, white, greenish-white, or yellowish-white appearance.