Gypsum Stone

タイトルまたは説明

About Gypsum
 
  Composition  

The mineral name gypsum is so old that it is not known who originated its use. It was derived from the Greek word Gypsos which means plaster.



Gypsum is found in sedimentary rock formations in a crystalline form known as calcium sulfate dehydrate. Sulfates are compounds of one or more metals with oxygen and sulfur. The oxygen and sulfur join together to form the sulfate ion, SO**2. Technically, gypsum is hydrous calcium sulfate because it has water in its crystal structure, CaSO4.2H2O 



Gypsum is a light-density rock typically found in thick beds or layers, in relative abundance throughout the world. It can form very pretty, and sometimes extremely large, crystals. Gypsum is a soft mineral, the standard for hardness degree 2 on the Mohs mineral hardness scale. According to the nature of its impurities, gypsum can show various colors, ranging from white to brown, yellow, gray and pink. Unlike much substance in use today, gypsum is non-toxic to humans In West Pakistan beds of Gypsum along with anhydrite, occur in saline series of salt range, and has the highest natural purity level. 

Gypsum products are non-combustible, highly versatile and can be used for various residential and commercial applications. The best known use of Gypsum is, it is a source of making Plaster of Paris, other plasters and it is the principal ingredient in the manufacturing of Wallboard/Plasterboard/Gypsum Board. It is also used for casting decorative elements and for gauging lime when running moldings. Gypsum is also used in Portland cement to reduce the time setting, and some Gypsum is used in agricultural applications. A small amount of very pure Gypsum is used in glass making and other specialized industrial applications.

Gypsum is one of the most useful minerals, owing to its numerous applaud able qualities, one of them being, that gypsum is non-toxic to humans. It is also awkward to fire material. Also, gypsum products are non-combustible, highly versatile and can be used for various residential and commercial applications.