Know all about Banded iron formation and Pseudotachylite 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 Pseudotachylite belongs to Metamorphic Rocks.Texture of Banded iron formation is Banded, Trellis whereas that of Pseudotachylite is Quench. Banded iron formation appears Layered, Banded, Veined and Shiny and Pseudotachylite appears Dull and Soft. The luster of Banded iron formation is earthy while that of Pseudotachylite is vitreous. Banded iron formation is available in red, reddish brown colors whereas Pseudotachylite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Banded iron formation are as a touchstone, cemetery markers, creating artwork and that of Pseudotachylite are creating artwork, gemstone.