Know all about Mudstone and Lignite properties here. All properties of rocks are important as they define the type of rock and its application. Mudstone and Lignite belong to Sedimentary Rocks.Texture of Mudstone is Clastic whereas that of Lignite is Amorphous, Glassy. Mudstone appears Rough and Dull and Lignite appears Veined or Pebbled. The luster of Mudstone is dull while that of Lignite is dull to vitreous to submetallic. Mudstone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Lignite is available in black, brown, dark brown, grey, light to dark grey colors. The commercial uses of Mudstone are creating artwork, pottery and that of Lignite are electricity generation.