Know all about Banded iron formation and Dunite 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 Dunite belongs to Igneous Rocks.Texture of Banded iron formation is Banded, Trellis whereas that of Dunite is Phaneritic. Banded iron formation appears Layered, Banded, Veined and Shiny and Dunite appears Rough and Shiny. The luster of Banded iron formation is earthy while that of Dunite is shiny. Banded iron formation is available in red, reddish brown colors whereas Dunite is available in dark greenish - grey colors. The commercial uses of Banded iron formation are as a touchstone, cemetery markers, creating artwork and that of Dunite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.