Know all about Gossan and Oolite properties here. All properties of rocks are important as they define the type of rock and its application. Gossan belongs to Metamorphic Rocks while Oolite belongs to Sedimentary Rocks.Texture of Gossan is Rough, Sandy whereas that of Oolite is Clastic or Non-Clastic. Gossan appears Dull and Banded and Oolite appears Rounded and Rough. The luster of Gossan is metallic while that of Oolite is pearly to shiny. Gossan is available in brown, brown- black, gold, green, rust colors whereas Oolite is available in black, blue, brown, cream, green, grey, pink, red, silver, white, yellow colors. The commercial uses of Gossan are cemetery markers, commemorative tablets, gemstone and that of Oolite are creating artwork, jewelry, used in aquariums.