Know all about Mylonite and Coquina properties here. All properties of rocks are important as they define the type of rock and its application. Mylonite belongs to Metamorphic Rocks while Coquina belongs to Sedimentary Rocks.Texture of Mylonite is Foliated whereas that of Coquina is Clastic. Mylonite appears Dull, Banded and Foilated and Coquina appears Layered, Banded, Veined and Shiny. The luster of Mylonite is shiny while that of Coquina is dull to vitreous to submetallic. Mylonite is available in black to grey colors whereas Coquina is available in beige, buff, orange colors. The commercial uses of Mylonite and Coquina are creating artwork, gemstone, jewelry.