Know all about Aplite and Chert properties here. All properties of rocks are important as they define the type of rock and its application. Aplite belongs to Igneous Rocks while Chert belongs to Sedimentary Rocks.Texture of Aplite is Granular, Graphic whereas that of Chert is Banded, Rough. Aplite appears Veined or Pebbled and Chert appears Glassy or Pearly. The luster of Aplite is dull to pearly to subvitreous while that of Chert is waxy and dull. Aplite is available in black, grey, orange, pink, white colors whereas Chert is available in black, brown, green, grey, red, white colors. The commercial uses of Aplite are curling, gemstone, laboratory bench tops, small sculptures, tombstones and that of Chert are creating artwork, gemstone, in fire-starting tools, jewelry, to ignite fire, used in flintlock firearms.