Know all about Arkose and Marl properties here. All properties of rocks are important as they define the type of rock and its application. Arkose and Marl belong to Sedimentary Rocks.Texture of Arkose is Clastic whereas that of Marl is Earthy. Arkose appears Rough and Dull and Marl appears Rough and Dull. The luster of Arkose and Marl is dull. Arkose is available in reddish brown colors whereas Marl is available in beige, brown, green, grey, white colors. The commercial uses of Arkose are in aquifers, soil conditioner, source of magnesia (mgo), tombstones and that of Marl are creating artwork, soil conditioner.