Know all about Mylonite and Oil 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 Oil shale belongs to Sedimentary Rocks.Texture of Mylonite is Foliated whereas that of Oil shale is Splintery. Mylonite appears Dull, Banded and Foilated and Oil shale appears Muddy. The luster of Mylonite is shiny while that of Oil shale is dull. Mylonite is available in black to grey colors whereas Oil 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 Oil shale are an oil and gas reservoir.