Know all about Banded iron formation and Tuff properties here. All properties of rocks are important as they define the type of rock and its application. Banded iron formation belongs to Sedimentary Rocks while Tuff belongs to Igneous Rocks.Texture of Banded iron formation is Banded, Trellis whereas that of Tuff is Clastic, Pyroclastic. Banded iron formation appears Layered, Banded, Veined and Shiny and Tuff appears Dull, Vesicular and Foilated. The luster of Banded iron formation is earthy while that of Tuff is vitreous to dull. Banded iron formation is available in red, reddish brown colors whereas Tuff is available in brown, grey, yellow colors. The commercial uses of Banded iron formation and Tuff are as a touchstone, cemetery markers, creating artwork.