Know all about Mylonite and Trachyandesite properties here. All properties of rocks are important as they define the type of rock and its application. Mylonite belongs to Metamorphic Rocks while Trachyandesite belongs to Igneous Rocks.Texture of Mylonite is Foliated whereas that of Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Mylonite appears Dull, Banded and Foilated and Trachyandesite appears Dull and Soft. The luster of Mylonite is shiny while that of Trachyandesite is earthy. Mylonite is available in black to grey colors whereas Trachyandesite is available in black, brown, light to dark grey colors. The commercial uses of Mylonite are creating artwork, gemstone, jewelry and that of Trachyandesite are creating artwork, pottery.