Know all about Gabbro and Banded iron formation properties here. All properties of rocks are important as they define the type of rock and its application. Gabbro belongs to Igneous Rocks while Banded iron formation belongs to Sedimentary Rocks.Texture of Gabbro is Phaneritic whereas that of Banded iron formation is Banded, Trellis. Gabbro appears Veined and Shiny and Banded iron formation appears Layered, Banded, Veined and Shiny. The luster of Gabbro is not available while that of Banded iron formation is earthy. Gabbro is available in dark grey to black colors whereas Banded iron formation is available in red, reddish brown colors. The commercial uses of Gabbro are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Banded iron formation are as a touchstone, cemetery markers, creating artwork.