Know all about Itacolumite and Essexite properties here. All properties of rocks are important as they define the type of rock and its application. Itacolumite belongs to Sedimentary Rocks while Essexite belongs to Igneous Rocks.Texture of Itacolumite is Clastic, Granular, Rough whereas that of Essexite is Granular. Itacolumite appears Rough and Essexite appears Banded. The luster of Itacolumite is dull while that of Essexite is not available. Itacolumite is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors whereas Essexite is available in dark grey to black 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 Essexite are cemetery markers, commemorative tablets, jewelry, sea defence, tombstones.