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Granite
Apr 27, 2017

Granite is composed of a volcano lava in the molten state is under considerable pressure to the surface crust uplift, magma tectonic rock burst to the surface, and slowly cooling solidification in the ground form, is a kind of deep into acidic igneous rocks, which belongs to the magmatite (Huo Chengyan). Granite, quartz, feldspar and mica as the main component. The feldspar content is 40%-60%, the content of quartz is 20%-40%. Its color depends on the type and quantity of components contained.  Granites can be pink to dark gray or even black, depending on their chemistry and mineralogy. Granite has been extensively used as a dimension stone and as flooring tiles in public and commercial buildings and monuments.