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