Know all about Itacolumite and Adakite properties here. All properties of rocks are important as they define the type of rock and its application. Itacolumite belongs to Sedimentary Rocks while Adakite belongs to Igneous Rocks.Texture of Itacolumite is Clastic, Granular, Rough whereas that of Adakite is Porphyritic. Itacolumite appears Rough and Adakite appears Dull and Soft. The luster of Itacolumite is dull while that of Adakite is grainy, pearly and vitreous. Itacolumite and Adakite 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 Adakite are commemorative tablets, pottery, used in aquariums.