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Fluorspar, also known as fluorite or calcium fluoride (CaF2), is the calcium salt of hydrofluoric acid and a very widespread mineral that occurs primarily in granites and other volcanic rocks.
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Fluorspar is used in many different industries (see below). Metallurgical Fluorspar for instance, is used to aid the removal of impurities in the production of stainless steel and as a flux in metalworking. It lowers the melting point and so increases energy efficiency. The main application area for acid grade Fluorspar is the production of hydrogen fluoride by adding sulfuric acid. In addition, Fluorspar is used in the manufacture of Teflon® coatings and GORE-TEX® products.
Calcined Kaolin is produced by calcining (firing, sintering) kaolin clay or kaolinite rock (flint clay). Calcination is mainly carried out in rotary kilns, but also in shaf...
Chrome Ore, also known as chromite, is a naturally occurring mineral that contains chromium, an important metal. It is found in various geological formations around the wor...
Mica is a naturally occurring mineral characterized by its fibrous structure and layered texture. It belongs to the mineral class of silicates and consists mainly of alumin...