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