Know all about Chert and Shale properties here. All properties of rocks are important as they define the type of rock and its application. Chert and Shale belong to Sedimentary Rocks.Texture of Chert is Banded, Rough whereas that of Shale is Clastic, Splintery. Chert appears Glassy or Pearly and Shale appears Muddy. The luster of Chert is waxy and dull while that of Shale is dull. Chert is available in black, brown, green, grey, red, white colors whereas Shale is available in black, brown, buff, green, grey, red, yellow 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 Shale are creating artwork, pottery.