Know all about Tuff and Granulite properties here. All properties of rocks are important as they define the type of rock and its application. Tuff belongs to Igneous Rocks while Granulite belongs to Metamorphic Rocks.Texture of Tuff is Clastic, Pyroclastic whereas that of Granulite is Granoblastic. Tuff appears Dull, Vesicular and Foilated and Granulite appears Veined or Pebbled. The luster of Tuff is vitreous to dull while that of Granulite is vitreous. Tuff is available in brown, grey, yellow colors whereas Granulite is available in black, brown colors. The commercial uses of Tuff are creating artwork and that of Granulite are curling, gemstone, laboratory bench tops, soil conditioner, tombstones.