Know all about Lignite and Travertine properties here. All properties of rocks are important as they define the type of rock and its application. Lignite and Travertine belong to Sedimentary Rocks.Texture of Lignite is Amorphous, Glassy whereas that of Travertine is Banded. Lignite appears Veined or Pebbled and Travertine appears Fibrous. The luster of Lignite is dull to vitreous to submetallic while that of Travertine is dull to pearly. Lignite is available in black, brown, dark brown, grey, light to dark grey colors whereas Travertine is available in beige, black, blue, brown, grey, red, white, yellow colors. The commercial uses of Lignite are electricity generation and that of Travertine are cemetery markers, creating artwork, gemstone, jewelry, paper industry, pottery.