Know all about Mylonite and Greywacke properties here. All properties of rocks are important as they define the type of rock and its application. Mylonite belongs to Metamorphic Rocks while Greywacke belongs to Sedimentary Rocks.Texture of Mylonite is Foliated whereas that of Greywacke is Clastic. Mylonite appears Dull, Banded and Foilated and Greywacke appears Dull. The luster of Mylonite is shiny while that of Greywacke is dull. Mylonite is available in black to grey colors whereas Greywacke is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Mylonite are creating artwork, gemstone, jewelry and that of Greywacke are as armour rock for sea walls, petroleum reservoirs, sea defence, tombstones.