Know all about Shoshonite and Itacolumite properties here. All properties of rocks are important as they define the type of rock and its application. Shoshonite belongs to Igneous Rocks while Itacolumite belongs to Sedimentary Rocks.Texture of Shoshonite is Porphyritic whereas that of Itacolumite is Clastic, Granular, Rough. Shoshonite appears Dull and Itacolumite appears Rough. The luster of Shoshonite and Itacolumite is dull. Shoshonite is available in brown- black, dark brown 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 Shoshonite are cemetery markers, creating artwork and that of Itacolumite are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones.