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