Know all about Slate and Luxullianite properties here. All properties of rocks are important as they define the type of rock and its application. Slate belongs to Metamorphic Rocks while Luxullianite belongs to Igneous Rocks.Texture of Slate is Foliated whereas that of Luxullianite is Granular, Phaneritic. Slate appears Dull and Luxullianite appears Veined or Pebbled. The luster of Slate is dull while that of Luxullianite is dull to grainy with sporadic parts pearly and vitreous. Slate is available in black, brown, buff, green, light to dark grey, purple, red, shades of blue colors whereas Luxullianite is available in black, grey, orange, pink, white colors. The commercial uses of Slate are blackboards, commemorative tablets, laboratory bench tops, standard material for the bed of billiard table, standard material for the beds of pool and snooker table, tombstones, used in aquariums, writing slates and that of Luxullianite are creating artwork, curling, gemstone, laboratory bench tops, tombstones.