Know all about Tonalite and Tuff properties here. All properties of rocks are important as they define the type of rock and its application. Tonalite and Tuff belong to Igneous Rocks.Texture of Tonalite is Phaneritic whereas that of Tuff is Clastic, Pyroclastic. Tonalite appears Banded and Foilated and Tuff appears Dull, Vesicular and Foilated. The luster of Tonalite is subvitreous to dull while that of Tuff is vitreous to dull. Tonalite is available in black, brown, light to dark grey, white colors whereas Tuff is available in brown, grey, yellow colors. The commercial uses of Tonalite and Tuff are cemetery markers, creating artwork.