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