Know all about Granodiorite and Itacolumite properties here. All properties of rocks are important as they define the type of rock and its application. Granodiorite belongs to Igneous Rocks while Itacolumite belongs to Sedimentary Rocks.Texture of Granodiorite is Granular, Phaneritic whereas that of Itacolumite is Clastic, Granular, Rough. Granodiorite appears Veined or Pebbled and Itacolumite appears Rough. The luster of Granodiorite is grainy, pearly and vitreous while that of Itacolumite is dull. Granodiorite is available in black, grey, orange, 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 Granodiorite are curling, gemstone, laboratory bench tops, tombstones and that of Itacolumite are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones.