Know all about Gabbro and Diorite properties here. All properties of rocks are important as they define the type of rock and its application. Gabbro and Diorite belong to Igneous Rocks.Texture of Gabbro is Phaneritic whereas that of Diorite is Phaneritic. Gabbro appears Veined and Shiny and Diorite appears Shiny. The luster of Gabbro is not available while that of Diorite is shiny. Gabbro is available in dark grey to black colors whereas Diorite is available in black, brown, light to dark grey, white colors. The commercial uses of Gabbro are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Diorite are creating artwork, curling.