Know all about Gabbro and Oolite properties here. All properties of rocks are important as they define the type of rock and its application. Gabbro belongs to Igneous Rocks while Oolite belongs to Sedimentary Rocks.Texture of Gabbro is Phaneritic whereas that of Oolite is Clastic or Non-Clastic. Gabbro appears Veined and Shiny and Oolite appears Rounded and Rough. The luster of Gabbro is not available while that of Oolite is pearly to shiny. Gabbro is available in dark grey to black colors whereas Oolite is available in black, blue, brown, cream, green, grey, pink, red, silver, white, yellow colors. The commercial uses of Gabbro are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Oolite are creating artwork, jewelry, used in aquariums.