Know all about Tonalite and Mylonite properties here. All properties of rocks are important as they define the type of rock and its application. Tonalite belongs to Igneous Rocks while Mylonite belongs to Metamorphic Rocks.Texture of Tonalite is Phaneritic whereas that of Mylonite is Foliated. Tonalite appears Banded and Foilated and Mylonite appears Dull, Banded and Foilated. The luster of Tonalite is subvitreous to dull while that of Mylonite is shiny. Tonalite is available in black, brown, light to dark grey, white colors whereas Mylonite is available in black to grey colors. The commercial uses of Tonalite are cemetery markers, creating artwork and that of Mylonite are creating artwork, gemstone, jewelry.