Know all about Scoria and Harzburgite properties here. All properties of rocks are important as they define the type of rock and its application. Scoria and Harzburgite belong to Igneous Rocks.Texture of Scoria is Vesicular whereas that of Harzburgite is Phaneritic. Scoria appears Glassy and Vesicular and Harzburgite appears Rough and Shiny. The luster of Scoria is subvitreous to dull while that of Harzburgite is shiny. Scoria is available in black, brown, dark grey to black, red colors whereas Harzburgite is available in dark greenish - grey 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 Harzburgite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.