Pyrolite is one of the important type of rocks. If we have to define Pyrolite in general, Pyrolite is an igneous rock consisting of about three parts of peridotite and one part of basalt. Pyrolite comes under Igneous Rocks. All Igneous Rocks have similar properties and formation process. Along with Pyrolite Definition, know more about the History of Pyrolite, Etymology of Pyrolite in next sections.