Know all about Mylonite and Breccia properties here. All properties of rocks are important as they define the type of rock and its application. Mylonite belongs to Metamorphic Rocks while Breccia belongs to Sedimentary Rocks.Texture of Mylonite is Foliated whereas that of Breccia is Brecciated, Clastic. Mylonite appears Dull, Banded and Foilated and Breccia appears Layered, Banded, Veined and Shiny. The luster of Mylonite is shiny while that of Breccia is dull to pearly. Mylonite is available in black to grey colors whereas Breccia is available in beige, black, blue, brown, buff, green, grey, orange, pink, purple, red, rust, white, yellow colors. The commercial uses of Mylonite and Breccia are creating artwork, gemstone, jewelry.