Know all about Claystone and Itacolumite properties here. All properties of rocks are important as they define the type of rock and its application. Claystone and Itacolumite belong to Sedimentary Rocks.Texture of Claystone is Clastic whereas that of Itacolumite is Clastic, Granular, Rough. Claystone appears Rough and Dull and Itacolumite appears Rough. The luster of Claystone and Itacolumite is dull. Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Itacolumite is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Claystone are pottery and that of Itacolumite are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones.