Know all about Limestone and Lignite properties here. All properties of rocks are important as they define the type of rock and its application. Limestone and Lignite belong to Sedimentary Rocks.Texture of Limestone is Clastic or Non-Clastic whereas that of Lignite is Amorphous, Glassy. Limestone appears Rough and Banded and Lignite appears Veined or Pebbled. The luster of Limestone is dull to pearly while that of Lignite is dull to vitreous to submetallic. Limestone is available in beige, black, blue, brown, cream, gold, green, grey, light green, light grey, linen, pink, red, rust, silver, white, yellow colors whereas Lignite is available in black, brown, dark brown, grey, light to dark grey colors. The commercial uses 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 and that of Lignite are electricity generation.