Know all about Hyaloclastite and Itacolumite properties here. All properties of rocks are important as they define the type of rock and its application. Hyaloclastite belongs to Igneous Rocks while Itacolumite belongs to Sedimentary Rocks.Texture of Hyaloclastite is Pyroclastic whereas that of Itacolumite is Clastic, Granular, Rough. Hyaloclastite appears Dull and Itacolumite appears Rough. The luster of Hyaloclastite is dull and grainy while that of Itacolumite is dull. Hyaloclastite is available in brown, grey, 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 Hyaloclastite 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.