Know all about Foidolite and Itacolumite properties here. All properties of rocks are important as they define the type of rock and its application. Foidolite belongs to Igneous Rocks while Itacolumite belongs to Sedimentary Rocks.Texture of Foidolite is Earthy whereas that of Itacolumite is Clastic, Granular, Rough. Foidolite appears Dull and Itacolumite appears Rough. The luster of Foidolite is subvitreous to dull while that of Itacolumite is dull. Foidolite is available in black, brown, colourless, green, grey, pink, white 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 Foidolite are cemetery markers, 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.