Know all about Claystone and Tuff properties here. All properties of rocks are important as they define the type of rock and its application. Claystone belongs to Sedimentary Rocks while Tuff belongs to Igneous Rocks.Texture of Claystone is Clastic whereas that of Tuff is Clastic, Pyroclastic. Claystone appears Rough and Dull and Tuff appears Dull, Vesicular and Foilated. The luster of Claystone is dull while that of Tuff is vitreous to dull. Claystone and Tuff are available in black, blue, brown, green, grey, orange, red, white, yellow colors. The commercial uses of Claystone are pottery and that of Tuff are creating artwork.