Know all about Gossan and Breccia properties here. All properties of rocks are important as they define the type of rock and its application. Gossan belongs to Metamorphic Rocks while Breccia belongs to Sedimentary Rocks.Texture of Gossan is Rough, Sandy whereas that of Breccia is Brecciated, Clastic. Gossan appears Dull and Banded and Breccia appears Layered, Banded, Veined and Shiny. The luster of Gossan is metallic while that of Breccia is dull to pearly. Gossan is available in brown, brown- black, gold, green, rust colors whereas Breccia is available in beige, black, blue, brown, buff, green, grey, orange, pink, purple, red, rust, white, yellow colors. The commercial uses of Gossan are cemetery markers, commemorative tablets, gemstone and that of Breccia are creating artwork, gemstone, jewelry.