Know all about Chert and Carbonatite properties here. All properties of rocks are important as they define the type of rock and its application. Chert belongs to Sedimentary Rocks while Carbonatite belongs to Igneous Rocks.Texture of Chert is Banded, Rough whereas that of Carbonatite is Granular, Poikiloblastic. Chert appears Glassy or Pearly and Carbonatite appears Dull, Banded and Foilated. The luster of Chert is waxy and dull while that of Carbonatite is subvitreous to dull. Chert is available in black, brown, green, grey, red, white colors whereas Carbonatite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Chert are creating artwork, gemstone, in fire-starting tools, jewelry, to ignite fire, used in flintlock firearms and that of Carbonatite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux.