Know all about Gneiss and Lignite properties here. All properties of rocks are important as they define the type of rock and its application. Gneiss belongs to Metamorphic Rocks while Lignite belongs to Sedimentary Rocks.Texture of Gneiss is Banded, Foliated, Platy whereas that of Lignite is Amorphous, Glassy. Gneiss appears Foliated and Lignite appears Veined or Pebbled. The luster of Gneiss is dull while that of Lignite is dull to vitreous to submetallic. Gneiss is available in black, brown, pink, red, white colors whereas Lignite is available in black, brown, dark brown, grey, light to dark grey colors. The commercial uses of Gneiss are cemetery markers, jewelry, tombstones, used in aquariums and that of Lignite are electricity generation.