Know all about Lignite and Borolanite properties here. All properties of rocks are important as they define the type of rock and its application. Lignite belongs to Sedimentary Rocks while Borolanite belongs to Igneous Rocks.Texture of Lignite is Amorphous, Glassy whereas that of Borolanite is Granular. Lignite appears Veined or Pebbled and Borolanite appears Banded and Foilated. The luster of Lignite is dull to vitreous to submetallic while that of Borolanite is greasy to dull. Lignite is available in black, brown, dark brown, grey, light to dark grey colors whereas Borolanite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Lignite are electricity generation and that of Borolanite are cemetery markers.