Know all about Granulite and Icelandite properties here. All properties of rocks are important as they define the type of rock and its application. Granulite belongs to Metamorphic Rocks while Icelandite belongs to Igneous Rocks.Texture of Granulite is Granoblastic whereas that of Icelandite is Aphanitic to Porphyritic. Granulite appears Veined or Pebbled and Icelandite appears Dull and Soft. The luster of Granulite and Icelandite is vitreous. Granulite is available in black, brown colors whereas Icelandite is available in bluish - grey, grey, pink, yellow colors. The commercial uses of Granulite are curling, gemstone, laboratory bench tops, soil conditioner, tombstones and that of Icelandite are cemetery markers, creating artwork.