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