Know all about Flint and Charnockite properties here. All properties of rocks are important as they define the type of rock and its application. Flint belongs to Sedimentary Rocks while Charnockite belongs to Igneous Rocks.Texture of Flint is Banded, Rough whereas that of Charnockite is Granular. Flint appears Glassy or Pearly and Charnockite appears Veined or Pebbled. The luster of Flint is vitreous while that of Charnockite is not available. Flint is available in black, brown, green, grey, red, white colors whereas Charnockite 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 Charnockite are curling, gemstone, laboratory bench tops, tombstones.