Know all about Theralite and Banded iron formation properties here. All properties of rocks are important as they define the type of rock and its application. Theralite belongs to Igneous Rocks while Banded iron formation belongs to Sedimentary Rocks.Texture of Theralite is Phaneritic whereas that of Banded iron formation is Banded, Trellis. Theralite appears Veined and Shiny and Banded iron formation appears Layered, Banded, Veined and Shiny. The luster of Theralite is waxy and dull while that of Banded iron formation is earthy. Theralite is available in dark grey to black colors whereas Banded iron formation is available in red, reddish brown colors. The commercial uses of Theralite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones and that of Banded iron formation are as a touchstone, cemetery markers, creating artwork.