Know all about Shale and Pyrolite properties here. All properties of rocks are important as they define the type of rock and its application. Shale belongs to Sedimentary Rocks while Pyrolite belongs to Igneous Rocks.Texture of Shale is Clastic, Splintery whereas that of Pyrolite is Phaneritic. Shale appears Muddy and Pyrolite appears Rough and Shiny. The luster of Shale is dull while that of Pyrolite is shiny. 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 Shale are creating artwork, pottery and that of Pyrolite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.