Borolanite is one of the important type of rocks. If we have to define Borolanite in general, Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix. Borolanite comes under Igneous Rocks. All Igneous Rocks have similar properties and formation process. Along with Borolanite Definition, know more about the History of Borolanite, Etymology of Borolanite in next sections.