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