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