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