Know all about Borolanite and Phonolite properties here. All properties of rocks are important as they define the type of rock and its application. Borolanite and Phonolite belong to Igneous Rocks.Texture of Borolanite is Granular whereas that of Phonolite is Granular. Borolanite appears Banded and Foilated and Phonolite appears Banded and Foilated. The luster of Borolanite and Phonolite is greasy to dull. Borolanite and Phonolite are available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Borolanite are cemetery markers and that of Phonolite are cemetery markers, creating artwork.