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