Know all about Mudstone and Aplite properties here. All properties of rocks are important as they define the type of rock and its application. Mudstone belongs to Sedimentary Rocks while Aplite belongs to Igneous Rocks.Texture of Mudstone is Clastic whereas that of Aplite is Granular, Graphic. Mudstone appears Rough and Dull and Aplite appears Veined or Pebbled. The luster of Mudstone is dull while that of Aplite is dull to pearly to subvitreous. Mudstone 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 Mudstone are creating artwork, pottery and that of Aplite are curling, gemstone, laboratory bench tops, small sculptures, tombstones.