Know all about Mylonite and Slate properties here. All properties of rocks are important as they define the type of rock and its application. Mylonite and Slate belong to Metamorphic Rocks.Texture of Mylonite is Foliated whereas that of Slate is Foliated. Mylonite appears Dull, Banded and Foilated and Slate appears Dull. The luster of Mylonite is shiny while that of Slate is dull. Mylonite is available in black to grey colors whereas Slate is available in black, brown, buff, green, light to dark grey, purple, red, shades of blue colors. The commercial uses of Mylonite are creating artwork, gemstone, jewelry and that of Slate are blackboards, commemorative tablets, laboratory bench tops, standard material for the bed of billiard table, standard material for the beds of pool and snooker table, tombstones, used in aquariums, writing slates.