Know all about Claystone and Banded iron formation properties here. All properties of rocks are important as they define the type of rock and its application. Claystone and Banded iron formation belong to Sedimentary Rocks.Texture of Claystone is Clastic whereas that of Banded iron formation is Banded, Trellis. Claystone appears Rough and Dull and Banded iron formation appears Layered, Banded, Veined and Shiny. The luster of Claystone is dull while that of Banded iron formation is earthy. Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Banded iron formation is available in red, reddish brown colors. The commercial uses of Claystone are pottery and that of Banded iron formation are as a touchstone, cemetery markers, creating artwork.