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