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