Know all about Claystone and Troctolite properties here. All properties of rocks are important as they define the type of rock and its application. Claystone belongs to Sedimentary Rocks while Troctolite belongs to Igneous Rocks.Texture of Claystone is Clastic whereas that of Troctolite is Phaneritic. Claystone appears Rough and Dull and Troctolite appears Veined and Shiny. The luster of Claystone is dull while that of Troctolite is not available. Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Troctolite is available in dark grey to black colors. The commercial uses of Claystone are pottery and that of Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.