Know all about Luxullianite and Gneiss properties here. All properties of rocks are important as they define the type of rock and its application. Luxullianite belongs to Igneous Rocks while Gneiss belongs to Metamorphic Rocks.Texture of Luxullianite is Granular, Phaneritic whereas that of Gneiss is Banded, Foliated, Platy. Luxullianite appears Veined or Pebbled and Gneiss appears Foliated. The luster of Luxullianite is dull to grainy with sporadic parts pearly and vitreous while that of Gneiss is dull. Luxullianite is available in black, grey, orange, pink, white colors whereas Gneiss is available in black, brown, pink, red, white colors. The commercial uses of Luxullianite are creating artwork, curling, gemstone, laboratory bench tops, tombstones and that of Gneiss are cemetery markers, jewelry, tombstones, used in aquariums.