Know all about Icelandite and Luxullianite properties here. All properties of rocks are important as they define the type of rock and its application. Icelandite and Luxullianite belong to Igneous Rocks.Texture of Icelandite is Aphanitic to Porphyritic whereas that of Luxullianite is Granular, Phaneritic. Icelandite appears Dull and Soft and Luxullianite appears Veined or Pebbled. The luster of Icelandite is vitreous while that of Luxullianite is dull to grainy with sporadic parts pearly and vitreous. Icelandite is available in bluish - grey, grey, pink, yellow colors whereas Luxullianite is available in black, grey, orange, pink, white colors. The commercial uses of Icelandite are cemetery markers, creating artwork and that of Luxullianite are creating artwork, curling, gemstone, laboratory bench tops, tombstones.