There are 3 main types of rocks on the Earth; igneous, sedimentary, and metamorphic. Granite is a very common igneous rock named for its granular texture. It contains many small crystals making it beautiful and also very durable. Rhyolite is very similar to granite, but with a smoother texture, as its crystals are generally too small to see. On the contrary, a granite rock with unusually large crystals is known as pegmatite. Other minerals found within the granite composition are what contribute to the granites color variations. Some of these minerals include quartz, feldspars, potassium, hornblende and mica.
The term granite is used to describe a huge variety of different rocks that contain the same basic chemical and mineral compositions. Granite is found all over the world on every continent, usually in along the mountainous chains. The region where the granite is mined generally lends to each unique name based on it colorings and other distinguishing features. Granites durability, beauty and abundance make it a preferred choice of stone over most others.
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