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