Know all about Gossan and Sandstone properties here. All properties of rocks are important as they define the type of rock and its application. Gossan belongs to Metamorphic Rocks while Sandstone belongs to Sedimentary Rocks.Texture of Gossan is Rough, Sandy whereas that of Sandstone is Clastic, Granular, Rough. Gossan appears Dull and Banded and Sandstone appears Rough. The luster of Gossan is metallic while that of Sandstone is dull. Gossan is available in brown, brown- black, gold, green, rust colors whereas Sandstone is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Gossan are cemetery markers, commemorative tablets, gemstone and that of Sandstone are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones, used in aquariums.