Know all about Lignite and Pyrolite properties here. All properties of rocks are important as they define the type of rock and its application. Lignite belongs to Sedimentary Rocks while Pyrolite belongs to Igneous Rocks.Texture of Lignite is Amorphous, Glassy whereas that of Pyrolite is Phaneritic. Lignite appears Veined or Pebbled and Pyrolite appears Rough and Shiny. The luster of Lignite is dull to vitreous to submetallic while that of Pyrolite is shiny. Lignite is available in black, brown, dark brown, grey, light to dark grey colors whereas Pyrolite is available in dark greenish - grey colors. The commercial uses of Lignite are electricity generation and that of Pyrolite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.