Know all about Marl and Sandstone properties here. All properties of rocks are important as they define the type of rock and its application. Marl and Sandstone belong to Sedimentary Rocks.Texture of Marl is Earthy whereas that of Sandstone is Clastic, Granular, Rough. Marl appears Rough and Dull and Sandstone appears Rough. The luster of Marl and Sandstone is dull. Marl is available in beige, brown, green, grey, white 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 Marl are creating artwork, soil conditioner and that of Sandstone are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones, used in aquariums.