Silicates; Most Abundant Rock-Forming Mineral Used In a Range of Industrial Applications

 

Silicates

Silicates are minerals containing silicon and oxygen. About 95% of the earth's crust is composed of silicate minerals, aluminosilicate clays or silica. The vast majority of the minerals that make up the rocks of Earth's crust are silicate minerals. These include minerals such as quartz, amphibole, feldspar, mica, olivine, pyroxene, and a great variety of clay minerals. Silicates occupy about 95% of the Earth's crust and upper mantle, as the major component of most igneous rocks and also in appreciable amounts in sedimentary and metamorphic types.

Silicates is the most important mineral class because they are by far the most abundant rock-forming minerals. They are also an important chemical element because of their ability to form a variety of different compounds that are valuable in many industries, including cement, ceramics, and glass. Quartz is another example of silicates with an ideal capability to give a high rhythmic frequency vibration. Large amounts of quartz sand (also known as silica sand) are used in the manufacture of glass and ceramics and for foundry molds in metal casting.

Silica is used in making concrete materials like glasses. The most common use of these silicates is that they can be used in making silica refractory bricks. Silicates are often known to be effective absorbents, anti-caking and opacifying agents, viscosity, and slip modifiers. There are a range of possible structures for silicates that depend on the arrangement of the oxygen atoms within the tetrahedrons that make up their crystal structure. These structures are nesosilicates, sorosilicates, cyclosilicates, inosilicates, and phyllosilicates.

Around 25% of all known minerals and 40% of the most common ones are Silicates. They are the largest class of rock-forming minerals. Thus, there is an increase in demand for this mineral across the globe. For instance, U.S. Silica is a global performance materials company and is one of the leading producer of commercial silica used in a wide range of industrial applications.

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