Know all about Chert and Hornfels properties here. All properties of rocks are important as they define the type of rock and its application. Chert belongs to Sedimentary Rocks while Hornfels belongs to Metamorphic Rocks.Texture of Chert is Banded, Rough whereas that of Hornfels is Granular, Platy. Chert appears Glassy or Pearly and Hornfels appears Dull. The luster of Chert is waxy and dull while that of Hornfels is shiny. Chert is available in black, brown, green, grey, red, white colors whereas Hornfels is available in brown, dark greenish - grey, green, reddish brown 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 Hornfels are cemetery markers, commemorative tablets, creating artwork.