Know all about Oil shale and Luxullianite properties here. All properties of rocks are important as they define the type of rock and its application. Oil shale belongs to Sedimentary Rocks while Luxullianite belongs to Igneous Rocks.Texture of Oil shale is Splintery whereas that of Luxullianite is Granular, Phaneritic. Oil shale appears Muddy and Luxullianite appears Veined or Pebbled. The luster of Oil shale is dull while that of Luxullianite is dull to grainy with sporadic parts pearly and vitreous. Oil 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 Oil shale are an oil and gas reservoir and that of Luxullianite are creating artwork, curling, gemstone, laboratory bench tops, tombstones.