Know all about Porphyry and Gabbro properties here. All properties of rocks are important as they define the type of rock and its application. Porphyry and Gabbro belong to Igneous Rocks.Texture of Porphyry is Porphyritic whereas that of Gabbro is Phaneritic. Porphyry appears Dull and Gabbro appears Veined and Shiny. The luster of Porphyry is dull while that of Gabbro is not available. Porphyry is available in black, brown, colourless, green, grey, red, rust, white colors whereas Gabbro is available in dark grey to black colors. The commercial uses of Porphyry are creating artwork, gemstone, jewelry and that of Gabbro are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.