Know all about Flint and Oil shale properties here. All properties of rocks are important as they define the type of rock and its application. Flint and Oil shale belong to Sedimentary Rocks.Texture of Flint is Banded, Rough whereas that of Oil shale is Splintery. Flint appears Glassy or Pearly and Oil shale appears Muddy. The luster of Flint is vitreous while that of Oil shale is dull. Flint is available in black, brown, green, grey, red, white colors whereas Oil shale is available in black, brown, buff, green, grey, red, yellow 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 Oil shale are an oil and gas reservoir.