Know all about Scoria and Gabbro properties here. All properties of rocks are important as they define the type of rock and its application. Scoria and Gabbro belong to Igneous Rocks.Texture of Scoria is Vesicular whereas that of Gabbro is Phaneritic. Scoria appears Glassy and Vesicular and Gabbro appears Veined and Shiny. The luster of Scoria is subvitreous to dull while that of Gabbro is not available. Scoria and Gabbro are available in black, brown, dark grey to black, red colors. The commercial uses of Scoria are as a traction material on snow-covered roads, creating artwork, high-temperature insulation, in gas barbecue grills and that of Gabbro are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.