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