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