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Industrial Minerals - Asbestos, Barite, Boron Compounds, Corundum, Fluorspar, Phosphates, Potassium Salts, Sodium Chloride - Feldspar

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Industrial minerals is a term used to describe naturally occurring non-metallic minerals that are used extensively in a variety of industrial operations. Some of the minerals commonly included in this category include asbestos, barite, boron compounds, clays, corundum, feldspar, fluorspar, phosphates, potassium salts, sodium chloride, and sulfur. Some of the mineral mixtures often considered as industrial minerals include construction materials such as sand, gravel, limestone, dolomite, and crushed rock; abrasives and refractories; gemstones; and lightweight aggregates.


The feldspars are a class of minerals known as the aluminum silicates. That is, they all contain aluminum, silicon, and oxygen, as sodium, potassium, and calcium. In many cases, the name feldspar is reserved for the potassium aluminum silicates. The most important commercial use of feldspar is in the manufacture of pottery, enamel, glass, and ceramic materials. The hardness of the mineral also makes it desirable as an abrasive.

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