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