Know all about Flint and Granulite properties here. All properties of rocks are important as they define the type of rock and its application. Flint belongs to Sedimentary Rocks while Granulite belongs to Metamorphic Rocks.Texture of Flint is Banded, Rough whereas that of Granulite is Granoblastic. Flint appears Glassy or Pearly and Granulite appears Veined or Pebbled. The luster of Flint and Granulite is vitreous. Flint and Granulite are available in black, brown, green, grey, red, 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 Granulite are curling, gemstone, laboratory bench tops, soil conditioner, tombstones.