Know all about Itacolumite and Blueschist properties here. All properties of rocks are important as they define the type of rock and its application. Itacolumite belongs to Sedimentary Rocks while Blueschist belongs to Metamorphic Rocks.Texture of Itacolumite is Clastic, Granular, Rough whereas that of Blueschist is Foliated. Itacolumite appears Rough and Blueschist appears Dull and Banded. The luster of Itacolumite and Blueschist is dull. 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 Blueschist is available in blue, bluish - grey, purple, shades of blue 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 Blueschist are cemetery markers, commemorative tablets, creating artwork, curling, tombstones.