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