Know all about Lignite and Norite properties here. All properties of rocks are important as they define the type of rock and its application. Lignite belongs to Sedimentary Rocks while Norite belongs to Igneous Rocks.Texture of Lignite is Amorphous, Glassy whereas that of Norite is Phaneritic. Lignite appears Veined or Pebbled and Norite appears Veined and Shiny. The luster of Lignite is dull to vitreous to submetallic while that of Norite is not available. Lignite is available in black, brown, dark brown, grey, light to dark grey colors whereas Norite is available in dark grey to black colors. The commercial uses of Lignite are electricity generation and that of Norite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.