Know all about Mudstone and Marl properties here. All properties of rocks are important as they define the type of rock and its application. Mudstone and Marl belong to Sedimentary Rocks.Texture of Mudstone is Clastic whereas that of Marl is Earthy. Mudstone appears Rough and Dull and Marl appears Rough and Dull. The luster of Mudstone and Marl is dull. Mudstone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Marl is available in beige, brown, green, grey, white colors. The commercial uses of Mudstone are creating artwork, pottery and that of Marl are creating artwork, soil conditioner.