Know all about Itacolumite and Ijolite properties here. All properties of rocks are important as they define the type of rock and its application. Itacolumite belongs to Sedimentary Rocks while Ijolite belongs to Igneous Rocks.Texture of Itacolumite is Clastic, Granular, Rough whereas that of Ijolite is Earthy, Granular. Itacolumite appears Rough and Ijolite appears Banded and Foilated. The luster of Itacolumite is dull while that of Ijolite is greasy to dull. 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 Ijolite is available in brown, buff, cream, green, grey, pink, white 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 Ijolite are cemetery markers, creating artwork.