Know all about Tuff and Aplite properties here. All properties of rocks are important as they define the type of rock and its application. Tuff and Aplite belong to Igneous Rocks.Texture of Tuff is Clastic, Pyroclastic whereas that of Aplite is Granular, Graphic. Tuff appears Dull, Vesicular and Foilated and Aplite appears Veined or Pebbled. The luster of Tuff is vitreous to dull while that of Aplite is dull to pearly to subvitreous. Tuff is available in brown, grey, yellow colors whereas Aplite is available in black, grey, orange, pink, white colors. The commercial uses of Tuff are creating artwork and that of Aplite are curling, gemstone, laboratory bench tops, small sculptures, tombstones.