Granite is an igneous rock that is coarsed-grained and light colored. It is mainly comprised of quartz and feldspars, along with mica and amphibole minerals. Granite is often times called the "best known" igneous rock because of its availibilty at the earth's surface. Most granite is plutonic, which means it forms deep within the earth. The mineral coloration of granite can vary. Colors include red, white, pink, grey, along with darker mineral coloration throughout the rock. A famous example of granite rock would be Mount Rushmore.
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