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