Know all about Itacolumite and Diorite properties here. All properties of rocks are important as they define the type of rock and its application. Itacolumite belongs to Sedimentary Rocks while Diorite belongs to Igneous Rocks.Texture of Itacolumite is Clastic, Granular, Rough whereas that of Diorite is Phaneritic. Itacolumite appears Rough and Diorite appears Shiny. The luster of Itacolumite is dull while that of Diorite is shiny. Itacolumite and Diorite 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 Diorite are creating artwork, curling.