Know all about Chert and Felsite properties here. All properties of rocks are important as they define the type of rock and its application. Chert belongs to Sedimentary Rocks while Felsite belongs to Igneous Rocks.Texture of Chert is Banded, Rough whereas that of Felsite is Arborescent Patterned, Vitreous. Chert appears Glassy or Pearly and Felsite appears Layered, Banded, Veined and Shiny. The luster of Chert is waxy and dull while that of Felsite is vitreous. Chert is available in black, brown, green, grey, red, white colors whereas Felsite is available in black, blue, brown, green, orange, red, tan, 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 Felsite are mirror, jewelry.