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