Know all about Chert and Breccia properties here. All properties of rocks are important as they define the type of rock and its application. Chert and Breccia belong to Sedimentary Rocks.Texture of Chert is Banded, Rough whereas that of Breccia is Brecciated, Clastic. Chert appears Glassy or Pearly and Breccia appears Layered, Banded, Veined and Shiny. The luster of Chert is waxy and dull while that of Breccia is dull to pearly. Chert is available in black, brown, green, grey, red, white colors whereas Breccia is available in beige, black, blue, brown, buff, green, grey, orange, pink, purple, red, rust, white, yellow colors. The commercial uses of Chert and Breccia are creating artwork, gemstone, in fire-starting tools, jewelry, to ignite fire, used in flintlock firearms.