Know all about Banded iron formation and Trachyte 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 Trachyte belongs to Igneous Rocks.Texture of Banded iron formation is Banded, Trellis whereas that of Trachyte is Aphanitic to Porphyritic. Banded iron formation appears Layered, Banded, Veined and Shiny and Trachyte appears Banded. The luster of Banded iron formation is earthy while that of Trachyte is metallic. Banded iron formation is available in red, reddish brown colors whereas Trachyte is available in black, brown, dark greenish - grey, green, grey, light to dark grey, white colors. The commercial uses of Banded iron formation and Trachyte are as a touchstone, cemetery markers, creating artwork.