Know all about Itacolumite and Hornfels properties here. All properties of rocks are important as they define the type of rock and its application. Itacolumite belongs to Sedimentary Rocks while Hornfels belongs to Metamorphic Rocks.Texture of Itacolumite is Clastic, Granular, Rough whereas that of Hornfels is Granular, Platy. Itacolumite appears Rough and Hornfels appears Dull. The luster of Itacolumite is dull while that of Hornfels is shiny. Itacolumite is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors whereas Hornfels is available in brown, dark greenish - grey, green, reddish brown colors. The commercial uses of Itacolumite are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones and that of Hornfels are cemetery markers, commemorative tablets, creating artwork.