Comendite is one of the important type of rocks. If we have to define Comendite in general, Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite. Comendite comes under Igneous Rocks. All Igneous Rocks have similar properties and formation process. Along with Comendite Definition, know more about the History of Comendite, Etymology of Comendite in next sections.