Know all about Gossan and Lignite properties here. All properties of rocks are important as they define the type of rock and its application. Gossan belongs to Metamorphic Rocks while Lignite belongs to Sedimentary Rocks.Texture of Gossan is Rough, Sandy whereas that of Lignite is Amorphous, Glassy. Gossan appears Dull and Banded and Lignite appears Veined or Pebbled. The luster of Gossan is metallic while that of Lignite is dull to vitreous to submetallic. Gossan is available in brown, brown- black, gold, green, rust colors whereas Lignite is available in black, brown, dark brown, grey, light to dark grey colors. The commercial uses of Gossan are cemetery markers, commemorative tablets, gemstone and that of Lignite are electricity generation.