Know all about Flint and Chert properties here. All properties of rocks are important as they define the type of rock and its application. Flint and Chert belong to Sedimentary Rocks.Texture of Flint is Banded, Rough whereas that of Chert is Banded, Rough. Flint appears Glassy or Pearly and Chert appears Glassy or Pearly. The luster of Flint is vitreous while that of Chert is waxy and dull. Flint and Chert are available in black, brown, green, grey, red, white colors. The commercial uses of Flint and Chert are creating artwork, gemstone, in fire-starting tools, manufacture of tools, metallurgical flux, jewelry, to ignite fire, used in flintlock firearms.