Know all about Aplite and Greywacke properties here. All properties of rocks are important as they define the type of rock and its application. Aplite belongs to Igneous Rocks while Greywacke belongs to Sedimentary Rocks.Texture of Aplite is Granular, Graphic whereas that of Greywacke is Clastic. Aplite appears Veined or Pebbled and Greywacke appears Dull. The luster of Aplite is dull to pearly to subvitreous while that of Greywacke is dull. Aplite is available in black, grey, orange, pink, white colors whereas Greywacke is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Aplite are curling, gemstone, laboratory bench tops, small sculptures, tombstones and that of Greywacke are as armour rock for sea walls, petroleum reservoirs, sea defence, tombstones.