Know all about Gossan and Arkose properties here. All properties of rocks are important as they define the type of rock and its application. Gossan belongs to Metamorphic Rocks while Arkose belongs to Sedimentary Rocks.Texture of Gossan is Rough, Sandy whereas that of Arkose is Clastic. Gossan appears Dull and Banded and Arkose appears Rough and Dull. The luster of Gossan is metallic while that of Arkose is dull. Gossan is available in brown, brown- black, gold, green, rust colors whereas Arkose is available in reddish brown colors. The commercial uses of Gossan are cemetery markers, commemorative tablets, gemstone and that of Arkose are in aquifers, soil conditioner, source of magnesia (mgo), tombstones.