Know all about Banded iron formation and Ignimbrite 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 Ignimbrite belongs to Igneous Rocks.Texture of Banded iron formation is Banded, Trellis whereas that of Ignimbrite is Aphanitic. Banded iron formation appears Layered, Banded, Veined and Shiny and Ignimbrite appears Dull, Vesicular and Foilated. The luster of Banded iron formation is earthy while that of Ignimbrite is vitreous to dull. Banded iron formation is available in red, reddish brown colors whereas Ignimbrite is available in beige, black, brown, grey, pink, white colors. The commercial uses of Banded iron formation are as a touchstone, cemetery markers, creating artwork and that of Ignimbrite are cemetery markers, commemorative tablets, creating artwork.