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