Know all about Claystone and Aplite properties here. All properties of rocks are important as they define the type of rock and its application. Claystone belongs to Sedimentary Rocks while Aplite belongs to Igneous Rocks.Texture of Claystone is Clastic whereas that of Aplite is Granular, Graphic. Claystone appears Rough and Dull and Aplite appears Veined or Pebbled. The luster of Claystone is dull while that of Aplite is dull to pearly to subvitreous. Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Aplite is available in black, grey, orange, pink, white colors. The commercial uses of Claystone are pottery and that of Aplite are curling, gemstone, laboratory bench tops, small sculptures, tombstones.