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