Know all about Shale and Mylonite properties here. All properties of rocks are important as they define the type of rock and its application. Shale belongs to Sedimentary Rocks while Mylonite belongs to Metamorphic Rocks.Texture of Shale is Clastic, Splintery whereas that of Mylonite is Foliated. Shale appears Muddy and Mylonite appears Dull, Banded and Foilated. The luster of Shale is dull while that of Mylonite is shiny. Shale is available in black, brown, buff, green, grey, red, yellow colors whereas Mylonite is available in black to grey colors. The commercial uses of Shale are creating artwork, pottery and that of Mylonite are creating artwork, gemstone, jewelry.