Know all about Comendite and Lignite properties here. All properties of rocks are important as they define the type of rock and its application. Comendite belongs to Igneous Rocks while Lignite belongs to Sedimentary Rocks.Texture of Comendite is Porphyritic whereas that of Lignite is Amorphous, Glassy. Comendite appears Foliated and Lignite appears Veined or Pebbled. The luster of Comendite is dull while that of Lignite is dull to vitreous to submetallic. Comendite is available in blue, bluish - grey colors whereas Lignite is available in black, brown, dark brown, grey, light to dark grey colors. The commercial uses of Comendite are cemetery markers and that of Lignite are electricity generation.