Know all about Gabbro and Harzburgite properties here. All properties of rocks are important as they define the type of rock and its application. Gabbro and Harzburgite belong to Igneous Rocks.Texture of Gabbro is Phaneritic whereas that of Harzburgite is Phaneritic. Gabbro appears Veined and Shiny and Harzburgite appears Rough and Shiny. The luster of Gabbro is not available while that of Harzburgite is shiny. Gabbro is available in dark grey to black colors whereas Harzburgite is available in dark greenish - grey colors. The commercial uses of Gabbro are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Harzburgite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.