Know all about Banded iron formation and Dacite 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 Dacite belongs to Igneous Rocks.Texture of Banded iron formation is Banded, Trellis whereas that of Dacite is Aphanitic to Porphyritic. Banded iron formation appears Layered, Banded, Veined and Shiny and Dacite appears Vesicular. The luster of Banded iron formation is earthy while that of Dacite is subvitreous to dull. Banded iron formation is available in red, reddish brown colors whereas Dacite is available in bluish - grey, brown, grey, light to dark grey colors. The commercial uses of Banded iron formation are as a touchstone, cemetery markers, creating artwork and that of Dacite are commemorative tablets, creating artwork.