Know all about Oil shale and Pyrolite properties here. All properties of rocks are important as they define the type of rock and its application. Oil shale belongs to Sedimentary Rocks while Pyrolite belongs to Igneous Rocks.Texture of Oil shale is Splintery whereas that of Pyrolite is Phaneritic. Oil shale appears Muddy and Pyrolite appears Rough and Shiny. The luster of Oil shale is dull while that of Pyrolite is shiny. Oil shale is available in black, brown, buff, green, grey, red, yellow colors whereas Pyrolite is available in dark greenish - grey colors. The commercial uses of Oil shale are an oil and gas reservoir and that of Pyrolite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.