Know all about Arkose and Gabbro properties here. All properties of rocks are important as they define the type of rock and its application. Arkose belongs to Sedimentary Rocks while Gabbro belongs to Igneous Rocks.Texture of Arkose is Clastic whereas that of Gabbro is Phaneritic. Arkose appears Rough and Dull and Gabbro appears Veined and Shiny. The luster of Arkose is dull while that of Gabbro is not available. Arkose is available in reddish brown colors whereas Gabbro is available in dark grey to black colors. The commercial uses of Arkose are in aquifers, soil conditioner, source of magnesia (mgo), tombstones and that of Gabbro are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.