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