Know all about Theralite and Scoria properties here. All properties of rocks are important as they define the type of rock and its application. Theralite and Scoria belong to Igneous Rocks.Texture of Theralite is Phaneritic whereas that of Scoria is Vesicular. Theralite appears Veined and Shiny and Scoria appears Glassy and Vesicular. The luster of Theralite is waxy and dull while that of Scoria is subvitreous to dull. Theralite is available in dark grey to black colors whereas Scoria is available in black, brown, dark grey to black, red colors. The commercial uses of Theralite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones and that of Scoria are as a traction material on snow-covered roads, creating artwork, high-temperature insulation, in gas barbecue grills.