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