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