Know all about Foidolite and Banded iron formation properties here. All properties of rocks are important as they define the type of rock and its application. Foidolite belongs to Igneous Rocks while Banded iron formation belongs to Sedimentary Rocks.Texture of Foidolite is Earthy whereas that of Banded iron formation is Banded, Trellis. Foidolite appears Dull and Banded iron formation appears Layered, Banded, Veined and Shiny. The luster of Foidolite is subvitreous to dull while that of Banded iron formation is earthy. Foidolite is available in black, brown, colourless, green, grey, pink, white colors whereas Banded iron formation is available in red, reddish brown colors. The commercial uses of Foidolite are cemetery markers, commemorative tablets, creating artwork and that of Banded iron formation are as a touchstone, cemetery markers, creating artwork.