Know all about Claystone and Argillite properties here. All properties of rocks are important as they define the type of rock and its application. Claystone and Argillite belong to Sedimentary Rocks.Texture of Claystone is Clastic whereas that of Argillite is Clastic, Polished. Claystone appears Rough and Dull and Argillite appears Rough and Dull. The luster of Claystone is dull while that of Argillite is waxy and dull. Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Argillite is available in dark grey to black, pink, red, white colors. The commercial uses of Claystone are pottery and that of Argillite are fire resistant, used to manufracture paperweights and bookends.