Know all about Flint and Troctolite properties here. All properties of rocks are important as they define the type of rock and its application. Flint belongs to Sedimentary Rocks while Troctolite belongs to Igneous Rocks.Texture of Flint is Banded, Rough whereas that of Troctolite is Phaneritic. Flint appears Glassy or Pearly and Troctolite appears Veined and Shiny. The luster of Flint is vitreous while that of Troctolite is not available. Flint is available in black, brown, green, grey, red, white colors whereas Troctolite is available in dark grey to black 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 Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.