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