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