Know all about Carbonatite and Variolite properties here. All properties of rocks are important as they define the type of rock and its application. Carbonatite and Variolite belong to Igneous Rocks.Texture of Carbonatite is Granular, Poikiloblastic whereas that of Variolite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Carbonatite appears Dull, Banded and Foilated and Variolite appears Dull and Soft. The luster of Carbonatite is subvitreous to dull while that of Variolite is not available. Carbonatite is available in black, brown, colourless, green, grey, pink, white colors whereas Variolite is available in black, brown, light to dark grey colors. The commercial uses of Carbonatite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux and that of Variolite are cemetery markers, creating artwork.