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