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