Know all about Gabbro and Alkali Feldspar Granite properties here. All properties of rocks are important as they define the type of rock and its application. Gabbro and Alkali Feldspar Granite belong to Igneous Rocks.Texture of Gabbro is Phaneritic whereas that of Alkali Feldspar Granite is Phaneritic. Gabbro appears Veined and Shiny and Alkali Feldspar Granite appears Veined or Pebbled. The luster of Gabbro is not available while that of Alkali Feldspar Granite is dull to grainy with sporadic parts pearly and vitreous. Gabbro is available in dark grey to black colors whereas Alkali Feldspar Granite is available in black, grey, orange, pink, white colors. The commercial uses of Gabbro are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Alkali Feldspar Granite are curling, gemstone, laboratory bench tops, tombstones.