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