Know all about Andesite and Banded iron formation properties here. All properties of rocks are important as they define the type of rock and its application. Andesite belongs to Igneous Rocks while Banded iron formation belongs to Sedimentary Rocks.Texture of Andesite is Aphanitic to Porphyritic whereas that of Banded iron formation is Banded, Trellis. Andesite appears Dull and Soft and Banded iron formation appears Layered, Banded, Veined and Shiny. The luster of Andesite is vitreous while that of Banded iron formation is earthy. Andesite is available in bluish - grey, grey, pink, yellow colors whereas Banded iron formation is available in red, reddish brown colors. The commercial uses of Andesite are commemorative tablets, creating artwork and that of Banded iron formation are as a touchstone, cemetery markers, creating artwork.