Know all about Icelandite and Basalt properties here. All properties of rocks are important as they define the type of rock and its application. Icelandite and Basalt belong to Igneous Rocks.Texture of Icelandite is Aphanitic to Porphyritic whereas that of Basalt is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Icelandite appears Dull and Soft and Basalt appears Dull and Soft. The luster of Icelandite is vitreous while that of Basalt is not available. Icelandite is available in bluish - grey, grey, pink, yellow colors whereas Basalt is available in black, brown, light to dark grey colors. The commercial uses of Icelandite are cemetery markers, creating artwork and that of Basalt are an oil and gas reservoir, commemorative tablets, creating artwork, used in aquariums.