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