Know all about Mudstone and Flint properties here. All properties of rocks are important as they define the type of rock and its application. Mudstone and Flint belong to Sedimentary Rocks.Texture of Mudstone is Clastic whereas that of Flint is Banded, Rough. Mudstone appears Rough and Dull and Flint appears Glassy or Pearly. The luster of Mudstone is dull while that of Flint is vitreous. Mudstone and Flint are available in black, blue, brown, green, grey, orange, red, white, yellow colors. The commercial uses of Mudstone 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.