Know all about Itacolumite and Oil shale properties here. All properties of rocks are important as they define the type of rock and its application. Itacolumite and Oil shale belong to Sedimentary Rocks.Texture of Itacolumite is Clastic, Granular, Rough whereas that of Oil shale is Splintery. Itacolumite appears Rough and Oil shale appears Muddy. The luster of Itacolumite and Oil shale 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 Oil shale is available in black, brown, buff, green, grey, red, yellow colors. The commercial uses of Itacolumite and Oil shale are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones.