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