Know all about Coquina and Itacolumite properties here. All properties of rocks are important as they define the type of rock and its application. Coquina and Itacolumite belong to Sedimentary Rocks.Texture of Coquina is Clastic whereas that of Itacolumite is Clastic, Granular, Rough. Coquina appears Layered, Banded, Veined and Shiny and Itacolumite appears Rough. The luster of Coquina is dull to vitreous to submetallic while that of Itacolumite is dull. Coquina is available in beige, buff, orange 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 Coquina are creating artwork and that of Itacolumite are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones.