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