Know all about Diorite and Theralite properties here. All properties of rocks are important as they define the type of rock and its application. Diorite and Theralite belong to Igneous Rocks.Texture of Diorite is Phaneritic whereas that of Theralite is Phaneritic. Diorite appears Shiny and Theralite appears Veined and Shiny. The luster of Diorite is shiny while that of Theralite is waxy and dull. Diorite is available in black, brown, light to dark grey, white colors whereas Theralite is available in dark grey to black colors. The commercial uses of Diorite are creating artwork, curling and that of Theralite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones.