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