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