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