Know all about Itacolumite and Dunite properties here. All properties of rocks are important as they define the type of rock and its application. Itacolumite belongs to Sedimentary Rocks while Dunite belongs to Igneous Rocks.Texture of Itacolumite is Clastic, Granular, Rough whereas that of Dunite is Phaneritic. Itacolumite appears Rough and Dunite appears Rough and Shiny. The luster of Itacolumite is dull while that of Dunite is shiny. 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 Dunite is available in dark greenish - grey 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 Dunite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.