Know all about Itacolumite and Trachyte properties here. All properties of rocks are important as they define the type of rock and its application. Itacolumite belongs to Sedimentary Rocks while Trachyte belongs to Igneous Rocks.Texture of Itacolumite is Clastic, Granular, Rough whereas that of Trachyte is Aphanitic to Porphyritic. Itacolumite appears Rough and Trachyte appears Banded. The luster of Itacolumite is dull while that of Trachyte is metallic. 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 Trachyte is available in black, brown, dark greenish - grey, green, grey, light to dark grey, white 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 Trachyte are cemetery markers, creating artwork.