Know all about Icelandite and Gabbro properties here. All properties of rocks are important as they define the type of rock and its application. Icelandite and Gabbro belong to Igneous Rocks.Texture of Icelandite is Aphanitic to Porphyritic whereas that of Gabbro is Phaneritic. Icelandite appears Dull and Soft and Gabbro appears Veined and Shiny. The luster of Icelandite is vitreous while that of Gabbro is not available. Icelandite is available in bluish - grey, grey, pink, yellow colors whereas Gabbro is available in dark grey to black colors. The commercial uses of Icelandite are cemetery markers, creating artwork and that of Gabbro are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.