Know all about Andesite and Itacolumite properties here. All properties of rocks are important as they define the type of rock and its application. Andesite belongs to Igneous Rocks while Itacolumite belongs to Sedimentary Rocks.Texture of Andesite is Aphanitic to Porphyritic whereas that of Itacolumite is Clastic, Granular, Rough. Andesite appears Dull and Soft and Itacolumite appears Rough. The luster of Andesite is vitreous while that of Itacolumite is dull. Andesite is available in bluish - grey, grey, pink, yellow 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 Andesite are commemorative tablets, creating artwork and that of Itacolumite are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones.