Know all about Lignite and Granite properties here. All properties of rocks are important as they define the type of rock and its application. Lignite belongs to Sedimentary Rocks while Granite belongs to Igneous Rocks.Texture of Lignite is Amorphous, Glassy whereas that of Granite is Granular, Phaneritic. Lignite appears Veined or Pebbled and Granite appears Veined or Pebbled. The luster of Lignite is dull to vitreous to submetallic while that of Granite is dull to grainy with sporadic parts pearly and vitreous. Lignite is available in black, brown, dark brown, grey, light to dark grey colors whereas Granite is available in black, grey, orange, pink, white colors. The commercial uses of Lignite are electricity generation and that of Granite are curling, gemstone, laboratory bench tops, tombstones, used in aquariums.