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