Amphibolite is one of the important type of rocks. If we have to define Amphibolite in general, Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase. Amphibolite comes under Igneous Rocks. All Metamorphic Rocks have similar properties and formation process. Along with Amphibolite Definition, know more about the History of Amphibolite, Etymology of Amphibolite in next sections.