Know all about Lignite and Essexite properties here. All properties of rocks are important as they define the type of rock and its application. Lignite belongs to Sedimentary Rocks while Essexite belongs to Igneous Rocks.Texture of Lignite is Amorphous, Glassy whereas that of Essexite is Granular. Lignite appears Veined or Pebbled and Essexite appears Banded. The luster of Lignite is dull to vitreous to submetallic while that of Essexite is not available. Lignite is available in black, brown, dark brown, grey, light to dark grey colors whereas Essexite is available in dark grey to black colors. The commercial uses of Lignite are electricity generation and that of Essexite are cemetery markers, commemorative tablets, jewelry, sea defence, tombstones.