Know all about Itacolumite and Gritstone properties here. All properties of rocks are important as they define the type of rock and its application. Itacolumite and Gritstone belong to Sedimentary Rocks.Texture of Itacolumite is Clastic, Granular, Rough whereas that of Gritstone is Earthy. Itacolumite appears Rough and Gritstone appears Layered and Foliated. The luster of Itacolumite and Gritstone is dull. Itacolumite and Gritstone 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 Itacolumite are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones and that of Gritstone are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo), tombstones.