Know all about Granophyre and Itacolumite properties here. All properties of rocks are important as they define the type of rock and its application. Granophyre belongs to Igneous Rocks while Itacolumite belongs to Sedimentary Rocks.Texture of Granophyre is Granophyric whereas that of Itacolumite is Clastic, Granular, Rough. Granophyre appears Veined or Pebbled and Itacolumite appears Rough. The luster of Granophyre is dull to grainy with sporadic parts pearly and vitreous while that of Itacolumite is dull. Granophyre 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 Granophyre 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.