Know all about Gabbro and Mylonite properties here. All properties of rocks are important as they define the type of rock and its application. Gabbro belongs to Igneous Rocks while Mylonite belongs to Metamorphic Rocks.Texture of Gabbro is Phaneritic whereas that of Mylonite is Foliated. Gabbro appears Veined and Shiny and Mylonite appears Dull, Banded and Foilated. The luster of Gabbro is not available while that of Mylonite is shiny. Gabbro is available in dark grey to black colors whereas Mylonite is available in black to grey colors. The commercial uses of Gabbro are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Mylonite are creating artwork, gemstone, jewelry.