Know all about Icelandite and Carbonatite properties here. All properties of rocks are important as they define the type of rock and its application. Icelandite and Carbonatite belong to Igneous Rocks.Texture of Icelandite is Aphanitic to Porphyritic whereas that of Carbonatite is Granular, Poikiloblastic. Icelandite appears Dull and Soft and Carbonatite appears Dull, Banded and Foilated. The luster of Icelandite is vitreous while that of Carbonatite is subvitreous to dull. Icelandite is available in bluish - grey, grey, pink, yellow colors whereas Carbonatite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Icelandite are cemetery markers, creating artwork and that of Carbonatite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux.