Know all about Argillite and Carbonatite properties here. All properties of rocks are important as they define the type of rock and its application. Argillite belongs to Sedimentary Rocks while Carbonatite belongs to Igneous Rocks.Texture of Argillite is Clastic, Polished whereas that of Carbonatite is Granular, Poikiloblastic. Argillite appears Rough and Dull and Carbonatite appears Dull, Banded and Foilated. The luster of Argillite is waxy and dull while that of Carbonatite is subvitreous to dull. Argillite is available in dark grey to black, pink, red, white colors whereas Carbonatite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Argillite are fire resistant, used to manufracture paperweights and bookends and that of Carbonatite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux.