Know all about Theralite and Greenschist properties here. All properties of rocks are important as they define the type of rock and its application. Theralite belongs to Igneous Rocks while Greenschist belongs to Metamorphic Rocks.Texture of Theralite is Phaneritic whereas that of Greenschist is Foliated, Platy. Theralite appears Veined and Shiny and Greenschist appears Layered and Shiny. The luster of Theralite is waxy and dull while that of Greenschist is shiny. Theralite is available in dark grey to black colors whereas Greenschist is available in dark greenish - grey, green colors. The commercial uses of Theralite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones and that of Greenschist are blackboards, manufacture of tools, writing slates.