Know all about Adakite and Itacolumite properties here. All properties of rocks are important as they define the type of rock and its application. Adakite belongs to Igneous Rocks while Itacolumite belongs to Sedimentary Rocks.Texture of Adakite is Porphyritic whereas that of Itacolumite is Clastic, Granular, Rough. Adakite appears Dull and Soft and Itacolumite appears Rough. The luster of Adakite is grainy, pearly and vitreous while that of Itacolumite is dull. Adakite is available in black, brown, light to dark grey 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 Adakite are commemorative tablets, pottery, used in aquariums and that of Itacolumite are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones.