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