Know all about Rhyolite and Gabbro properties here. All properties of rocks are important as they define the type of rock and its application. Rhyolite and Gabbro belong to Igneous Rocks.Texture of Rhyolite is Aphanitic, Glassy, Porphyritic whereas that of Gabbro is Phaneritic. Rhyolite appears Banded and Gabbro appears Veined and Shiny. The luster of Rhyolite is earthy while that of Gabbro is not available. Rhyolite is available in grey, white, light black colors whereas Gabbro is available in dark grey to black colors. The commercial uses of Rhyolite are gemstone, laboratory bench tops, jewelry and that of Gabbro are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.