Larvikite is one of the important type of rocks. If we have to define Larvikite in general, Larvikite is an igneous rock and a variety of monzonite, notable for the presence of thumbnail-sized crystals of feldspar. Larvikite comes under Igneous Rocks. All Igneous Rocks have similar properties and formation process. Along with Larvikite Definition, know more about the History of Larvikite, Etymology of Larvikite in next sections.