Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Itacolumite Uses. We have provided you with all information about Itacolumite rock here. A yellow sandstone which is flexible when cut into thin strips. 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 streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Itacolumite is white. Get to know more about Itacolumite rock and characteristics of Itacolumite rock in the next sections.