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