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