Know all about Mylonite and Marl properties here. All properties of rocks are important as they define the type of rock and its application. Mylonite belongs to Metamorphic Rocks while Marl belongs to Sedimentary Rocks.Texture of Mylonite is Foliated whereas that of Marl is Earthy. Mylonite appears Dull, Banded and Foilated and Marl appears Rough and Dull. The luster of Mylonite is shiny while that of Marl is dull. Mylonite is available in black to grey colors whereas Marl is available in beige, brown, green, grey, white colors. The commercial uses of Mylonite are creating artwork, gemstone, jewelry and that of Marl are creating artwork, soil conditioner.