Know all about Lignite and Lherzolite properties here. All properties of rocks are important as they define the type of rock and its application. Lignite belongs to Sedimentary Rocks while Lherzolite belongs to Igneous Rocks.Texture of Lignite is Amorphous, Glassy whereas that of Lherzolite is Grenue. Lignite appears Veined or Pebbled and Lherzolite appears Glassy, Vesicular and Foilated. The luster of Lignite is dull to vitreous to submetallic while that of Lherzolite is subvitreous to dull. Lignite is available in black, brown, dark brown, grey, light to dark grey colors whereas Lherzolite is available in black, dark greenish - grey, green, pink, purple colors. The commercial uses of Lignite are electricity generation and that of Lherzolite are as armour rock for sea walls, source of magnesia (mgo), used in aquariums.