Know all about Nephelinite and Borolanite properties here. All properties of rocks are important as they define the type of rock and its application. Nephelinite and Borolanite belong to Igneous Rocks.Texture of Nephelinite is Aphanitic whereas that of Borolanite is Granular. Nephelinite appears Skeletal and Borolanite appears Banded and Foilated. The luster of Nephelinite is vitreous to metallic while that of Borolanite is greasy to dull. Nephelinite is available in black, brown, colourless, green, grey, white colors whereas Borolanite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo) and that of Borolanite are cemetery markers.