Know all about Skarn and Aplite properties here. All properties of rocks are important as they define the type of rock and its application. Skarn belongs to Metamorphic Rocks while Aplite belongs to Igneous Rocks.Texture of Skarn is Earthy, Mud-rich, Rough whereas that of Aplite is Granular, Graphic. Skarn appears Dull and Aplite appears Veined or Pebbled. The luster of Skarn is waxy and dull while that of Aplite is dull to pearly to subvitreous. Skarn is available in black, brown, colourless, green, grey, white colors whereas Aplite is available in black, grey, orange, pink, white colors. The commercial uses of Skarn are creating artwork, gemstone, jewelry, metallurgical flux, source of magnesia (mgo) and that of Aplite are curling, gemstone, laboratory bench tops, small sculptures, tombstones.