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