Know all about Mylonite and Flint properties here. All properties of rocks are important as they define the type of rock and its application. Mylonite belongs to Metamorphic Rocks while Flint belongs to Sedimentary Rocks.Texture of Mylonite is Foliated whereas that of Flint is Banded, Rough. Mylonite appears Dull, Banded and Foilated and Flint appears Glassy or Pearly. The luster of Mylonite is shiny while that of Flint is vitreous. Mylonite is available in black to grey colors whereas Flint is available in black, brown, green, grey, red, white colors. The commercial uses of Mylonite are creating artwork, gemstone, jewelry and that of Flint are creating artwork, gemstone, in fire-starting tools, manufacture of tools, metallurgical flux, jewelry, to ignite fire, used in flintlock firearms.