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Application of Calcite

Application of Calcite

What is Calcite?

Calcite is the most important rock forming minerals of the earth’s crust. Rocks, carbonate minerals, chemical composition, CaCO3, trigonal system, fracture; Vitreous luster, completely transparent to translucent, general for white or colorless, because contain the base metal to it element present a reddish color, weak yellow, weak tea, mei red, purple, a variety of color, white streaks, hardness of 2.704-3.0, the proportion of 2.6 ~ 2.8, with dilute hydrochloric acid severe foaming, very pure completely transparent crystal known as Iceland Spar, with functions of strong birefringence is the biggest function of polarized light and could not be made is not a substitute for artificial natural crystal.

Application of Calcite

Calcite by double refraction, are often used in polarizing prism, such as cutting pillars in a certain way, but when the microscope lens, the optical properties of these detection minerals, its quality requirement shall be quoted in: colorless, transparent, internal without bubbles or crack, not to bring a twin or distort, 0.5 inch (12.5 mm) above cubic. Calcite commonly used in chemical industry, cement and other industrial raw materials. Calcite in the metallurgical industry used as flux, in the construction industry to produce cement and lime. In used in plastics, paper, toothpaste. Populate the additives in food.

Formation of Calcite

Calcite is one of the most widely distributed minerals, not only in the marine sedimentation process can form a large number of calcium carbonate deposition as limestone major rock-forming minerals. In metamorphic, igneous rocks, hydrothermal and weathering process, is quite common mineral calcite. The role of endogenous alkaline magma differentiation can be formed mainly of calcite carbonate rock. In pegmatites and hydrothermal calcite phases can be formed in the crystal cave tend to have a good crystal. Extrusive rock pores and fissures are often outcomes. Sedimentary limestone formed by metamorphism formed after the formation of coarse-grained calcite marble.

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