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