Know all about Gneiss and Gabbro properties here. All properties of rocks are important as they define the type of rock and its application. Gneiss belongs to Metamorphic Rocks while Gabbro belongs to Igneous Rocks.Texture of Gneiss is Banded, Foliated, Platy whereas that of Gabbro is Phaneritic. Gneiss appears Foliated and Gabbro appears Veined and Shiny. The luster of Gneiss is dull while that of Gabbro is not available. Gneiss is available in black, brown, pink, red, white colors whereas Gabbro is available in dark grey to black colors. The commercial uses of Gneiss are cemetery markers, jewelry, tombstones, used in aquariums and that of Gabbro are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.