Know all about Teschenite and Theralite properties here. All properties of rocks are important as they define the type of rock and its application. Teschenite and Theralite belong to Igneous Rocks.Texture of Teschenite is Phaneritic whereas that of Theralite is Phaneritic. Teschenite appears Veined and Shiny and Theralite appears Veined and Shiny. The luster of Teschenite is not available while that of Theralite is waxy and dull. Teschenite and Theralite are available in dark grey to black colors. The commercial uses of Teschenite and Theralite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones.