Know all about Aplite and Gritstone properties here. All properties of rocks are important as they define the type of rock and its application. Aplite belongs to Igneous Rocks while Gritstone belongs to Sedimentary Rocks.Texture of Aplite is Granular, Graphic whereas that of Gritstone is Earthy. Aplite appears Veined or Pebbled and Gritstone appears Layered and Foliated. The luster of Aplite is dull to pearly to subvitreous while that of Gritstone is dull. Aplite is available in black, grey, orange, pink, white colors whereas Gritstone 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 Gritstone are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo), tombstones.