Know all about Shale and Luxullianite properties here. All properties of rocks are important as they define the type of rock and its application. Shale belongs to Sedimentary Rocks while Luxullianite belongs to Igneous Rocks.Texture of Shale is Clastic, Splintery whereas that of Luxullianite is Granular, Phaneritic. Shale appears Muddy and Luxullianite appears Veined or Pebbled. The luster of Shale is dull while that of Luxullianite is dull to grainy with sporadic parts pearly and vitreous. Shale is available in black, brown, buff, green, grey, red, yellow colors whereas Luxullianite is available in black, grey, orange, pink, white colors. The commercial uses of Shale are creating artwork, pottery and that of Luxullianite are creating artwork, curling, gemstone, laboratory bench tops, tombstones.