Know all about Tuff and Dunite properties here. All properties of rocks are important as they define the type of rock and its application. Tuff and Dunite belong to Igneous Rocks.Texture of Tuff is Clastic, Pyroclastic whereas that of Dunite is Phaneritic. Tuff appears Dull, Vesicular and Foilated and Dunite appears Rough and Shiny. The luster of Tuff is vitreous to dull while that of Dunite is shiny. Tuff is available in brown, grey, yellow colors whereas Dunite is available in dark greenish - grey colors. The commercial uses of Tuff are creating artwork and that of Dunite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.