Know all about Ijolite and Itacolumite properties here. All properties of rocks are important as they define the type of rock and its application. Ijolite belongs to Igneous Rocks while Itacolumite belongs to Sedimentary Rocks.Texture of Ijolite is Earthy, Granular whereas that of Itacolumite is Clastic, Granular, Rough. Ijolite appears Banded and Foilated and Itacolumite appears Rough. The luster of Ijolite is greasy to dull while that of Itacolumite is dull. Ijolite is available in brown, buff, cream, green, grey, pink, white colors whereas Itacolumite is 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 Ijolite are cemetery markers, creating artwork and that of Itacolumite are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones.