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