Know all about Skarn and Flint properties here. All properties of rocks are important as they define the type of rock and its application. Skarn belongs to Metamorphic Rocks while Flint belongs to Sedimentary Rocks.Texture of Skarn is Earthy, Mud-rich, Rough whereas that of Flint is Banded, Rough. Skarn appears Dull and Flint appears Glassy or Pearly. The luster of Skarn is waxy and dull while that of Flint is vitreous. Skarn is available in black, brown, colourless, green, grey, white colors whereas Flint is available in black, brown, green, grey, red, white colors. The commercial uses of Skarn are creating artwork, gemstone, jewelry, metallurgical flux, source of magnesia (mgo) 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.