Know all about Gneiss and Carbonatite properties here. All properties of rocks are important as they define the type of rock and its application. Gneiss belongs to Metamorphic Rocks while Carbonatite belongs to Igneous Rocks.Texture of Gneiss is Banded, Foliated, Platy whereas that of Carbonatite is Granular, Poikiloblastic. Gneiss appears Foliated and Carbonatite appears Dull, Banded and Foilated. The luster of Gneiss is dull while that of Carbonatite is subvitreous to dull. Gneiss is available in black, brown, pink, red, white colors whereas Carbonatite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Gneiss are cemetery markers, jewelry, tombstones, used in aquariums and that of Carbonatite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux.