Know all about Chert and Appinite properties here. All properties of rocks are important as they define the type of rock and its application. Chert belongs to Sedimentary Rocks while Appinite belongs to Igneous Rocks.Texture of Chert is Banded, Rough whereas that of Appinite is Porphyritic. Chert appears Glassy or Pearly and Appinite appears Dull, Banded and Foilated. The luster of Chert is waxy and dull while that of Appinite is subvitreous to dull. Chert is available in black, brown, green, grey, red, white colors whereas Appinite is available in black, bluish - grey, brown, dark greenish - grey, green, grey 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 Appinite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner.