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