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