Know all about Aplite and Picrite properties here. All properties of rocks are important as they define the type of rock and its application. Aplite and Picrite belong to Igneous Rocks.Texture of Aplite is Granular, Graphic whereas that of Picrite is Earthy, Rough. Aplite appears Veined or Pebbled and Picrite appears Rough and Shiny. The luster of Aplite is dull to pearly to subvitreous while that of Picrite is subvitreous to dull. Aplite is available in black, grey, orange, pink, white colors whereas Picrite is available in black, brown, colourless, green, grey, pink, white, yellow colors. The commercial uses of Aplite are curling, gemstone, laboratory bench tops, small sculptures, tombstones and that of Picrite are as a feed additive for livestock, as armour rock for sea walls, metallurgical flux, pottery, source of magnesia (mgo).