Know all about Tuff and Rapakivi Granite properties here. All properties of rocks are important as they define the type of rock and its application. Tuff and Rapakivi Granite belong to Igneous Rocks.Texture of Tuff is Clastic, Pyroclastic whereas that of Rapakivi Granite is Granular, Phaneritic. Tuff appears Dull, Vesicular and Foilated and Rapakivi Granite appears Veined or Pebbled. The luster of Tuff is vitreous to dull while that of Rapakivi Granite is dull to grainy with sporadic parts pearly and vitreous. Tuff is available in brown, grey, yellow colors whereas Rapakivi Granite is available in black, grey, orange, pink, white colors. The commercial uses of Tuff are creating artwork and that of Rapakivi Granite are cemetery markers, commemorative tablets, creating artwork, curling, laboratory bench tops, tombstones.