Know all about Banded iron formation and Nepheline Syenite 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 Nepheline Syenite belongs to Igneous Rocks.Texture of Banded iron formation is Banded, Trellis whereas that of Nepheline Syenite is Granular. Banded iron formation appears Layered, Banded, Veined and Shiny and Nepheline Syenite appears Banded and Foilated. The luster of Banded iron formation is earthy while that of Nepheline Syenite is greasy to dull. Banded iron formation is available in red, reddish brown colors whereas Nepheline Syenite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Banded iron formation and Nepheline Syenite are as a touchstone, cemetery markers, creating artwork.