Eclogite is one of the important type of rocks. If we have to define Eclogite in general, Eclogite is an extreme metamorphic rock, formed by regional metamorphism of basalt rock under very high pressure and temperature. Eclogite comes under Metamorphic Rocks. All Metamorphic Rocks have similar properties and formation process. Along with Eclogite Definition, know more about the History of Eclogite, Etymology of Eclogite in next sections.