Know all about Gabbro and Conglomerate properties here. All properties of rocks are important as they define the type of rock and its application. Gabbro belongs to Igneous Rocks while Conglomerate belongs to Sedimentary Rocks.Texture of Gabbro is Phaneritic whereas that of Conglomerate is Clastic. Gabbro appears Veined and Shiny and Conglomerate appears Shiny and Rounded. The luster of Gabbro is not available while that of Conglomerate is dull. Gabbro is available in dark grey to black colors whereas Conglomerate is available in beige, black, brown, buff, light to dark grey, orange, rust, white, yellow colors. The commercial uses of Gabbro are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Conglomerate are cemetery markers, in aquifers, tombstones.