Know all about Flint and Borolanite properties here. All properties of rocks are important as they define the type of rock and its application. Flint belongs to Sedimentary Rocks while Borolanite belongs to Igneous Rocks.Texture of Flint is Banded, Rough whereas that of Borolanite is Granular. Flint appears Glassy or Pearly and Borolanite appears Banded and Foilated. The luster of Flint is vitreous while that of Borolanite is greasy to dull. Flint is available in black, brown, green, grey, red, white colors whereas Borolanite is available in brown, buff, cream, green, grey, 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 Borolanite are cemetery markers.