Know all about Lignite and Sandstone properties here. All properties of rocks are important as they define the type of rock and its application. Lignite and Sandstone belong to Sedimentary Rocks.Texture of Lignite is Amorphous, Glassy whereas that of Sandstone is Clastic, Granular, Rough. Lignite appears Veined or Pebbled and Sandstone appears Rough. The luster of Lignite is dull to vitreous to submetallic while that of Sandstone is dull. Lignite is available in black, brown, dark brown, grey, light to dark grey colors whereas Sandstone is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Lignite are electricity generation and that of Sandstone are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones, used in aquariums.