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