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