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