Know all about Banded iron formation and Skarn 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 Skarn belongs to Metamorphic Rocks.Texture of Banded iron formation is Banded, Trellis whereas that of Skarn is Earthy, Mud-rich, Rough. Banded iron formation appears Layered, Banded, Veined and Shiny and Skarn appears Dull. The luster of Banded iron formation is earthy while that of Skarn is waxy and dull. Banded iron formation is available in red, reddish brown colors whereas Skarn is available in black, brown, colourless, green, grey, white colors. The commercial uses of Banded iron formation are as a touchstone, cemetery markers, creating artwork and that of Skarn are creating artwork, gemstone, jewelry, metallurgical flux, source of magnesia (mgo).