What Is Granite Made Of?


Quick Answer

Granite is a large-grained igneous rock usually comprised of minerals like feldspar, quartz, mica and amphibole. It varies in color and appearance based on the mineral composition of the rock layers near where it is located. Granite, an igneous rock, is formed by magma cooling beneath the surface.

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Full Answer

Commercially, granite is a valuable material due to its strength. It is used in the production of paving stones, tiles and countertops and as a building material. The Red Pyramid of Egypt, for example, is named for the crimson granite used in its construction. It was built in the 26th century B.C.E., and it is the third-largest pyramid in the country.

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