Granite is one of the important type of rocks. If we have to define Granite in general, Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone. Granite comes under Igneous Rocks. All Igneous Rocks have similar properties and formation process. Along with Granite Definition, know more about the History of Granite, Etymology of Granite in next sections.