Characteristics related to grain size of rocks are called as texture. Here you can know more about texture of Banded iron formation and Gneiss. Texture of Banded iron formation is Banded, Trellis whereas that of Gneiss is Banded, Foliated, Platy. Based on the texture of rocks, they are used for various purposes. Get detailed information about Banded iron formation vs Gneiss texture, color, appearance and maintenance in the next section.