Know all about Ganister and Gabbro properties here. All properties of rocks are important as they define the type of rock and its application. Ganister belongs to Sedimentary Rocks while Gabbro belongs to Igneous Rocks.Texture of Ganister is Clastic, Granular, Rough whereas that of Gabbro is Phaneritic. Ganister appears Rough and Gabbro appears Veined and Shiny. The luster of Ganister is dull while that of Gabbro is not available. Ganister is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors whereas Gabbro is available in dark grey to black colors. The commercial uses of Ganister are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones and that of Gabbro are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.