Know all about Banded iron formation and Granophyre 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 Granophyre belongs to Igneous Rocks.Texture of Banded iron formation is Banded, Trellis whereas that of Granophyre is Granophyric. Banded iron formation appears Layered, Banded, Veined and Shiny and Granophyre appears Veined or Pebbled. The luster of Banded iron formation is earthy while that of Granophyre is dull to grainy with sporadic parts pearly and vitreous. Banded iron formation is available in red, reddish brown colors whereas Granophyre is available in black, grey, orange, pink, white colors. The commercial uses of Banded iron formation are as a touchstone, cemetery markers, creating artwork and that of Granophyre are curling, gemstone, laboratory bench tops, tombstones.