Know all about Gossan and Luxullianite properties here. All properties of rocks are important as they define the type of rock and its application. Gossan belongs to Metamorphic Rocks while Luxullianite belongs to Igneous Rocks.Texture of Gossan is Rough, Sandy whereas that of Luxullianite is Granular, Phaneritic. Gossan appears Dull and Banded and Luxullianite appears Veined or Pebbled. The luster of Gossan is metallic while that of Luxullianite is dull to grainy with sporadic parts pearly and vitreous. Gossan is available in brown, brown- black, gold, green, rust colors whereas Luxullianite is available in black, grey, orange, pink, white colors. The commercial uses of Gossan are cemetery markers, commemorative tablets, gemstone and that of Luxullianite are creating artwork, curling, gemstone, laboratory bench tops, tombstones.