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