Know all about Scoria and Theralite properties here. All properties of rocks are important as they define the type of rock and its application. Scoria and Theralite belong to Igneous Rocks.Texture of Scoria is Vesicular whereas that of Theralite is Phaneritic. Scoria appears Glassy and Vesicular and Theralite appears Veined and Shiny. The luster of Scoria is subvitreous to dull while that of Theralite is waxy and dull. Scoria and Theralite 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 Theralite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones.