Know all about Lignite and Mylonite properties here. All properties of rocks are important as they define the type of rock and its application. Lignite belongs to Sedimentary Rocks while Mylonite belongs to Metamorphic Rocks.Texture of Lignite is Amorphous, Glassy whereas that of Mylonite is Foliated. Lignite appears Veined or Pebbled and Mylonite appears Dull, Banded and Foilated. The luster of Lignite is dull to vitreous to submetallic while that of Mylonite is shiny. Lignite is available in black, brown, dark brown, grey, light to dark grey colors whereas Mylonite is available in black to grey colors. The commercial uses of Lignite are electricity generation and that of Mylonite are creating artwork, gemstone, jewelry.