Know all about Lignite and Limestone properties here. All properties of rocks are important as they define the type of rock and its application. Lignite and Limestone belong to Sedimentary Rocks.Texture of Lignite is Amorphous, Glassy whereas that of Limestone is Clastic or Non-Clastic. Lignite appears Veined or Pebbled and Limestone appears Rough and Banded. The luster of Lignite is dull to vitreous to submetallic while that of Limestone is dull to pearly. Lignite is available in black, brown, dark brown, grey, light to dark grey colors whereas Limestone is available in beige, black, blue, brown, cream, gold, green, grey, light green, light grey, linen, pink, red, rust, silver, white, yellow colors. The commercial uses of Lignite are electricity generation and that of Limestone are animal feed filler, as a feed additive for livestock, paper industry, raw material for manufacture of quicklime, slaked lime, soil conditioner, used in aquariums, whiting material in toothpaste, paint and paper.