Know all about Teschenite and Greenschist properties here. All properties of rocks are important as they define the type of rock and its application. Teschenite belongs to Igneous Rocks while Greenschist belongs to Metamorphic Rocks.Texture of Teschenite is Phaneritic whereas that of Greenschist is Foliated, Platy. Teschenite appears Veined and Shiny and Greenschist appears Layered and Shiny. The luster of Teschenite is not available while that of Greenschist is shiny. Teschenite is available in dark grey to black colors whereas Greenschist is available in dark greenish - grey, green colors. The commercial uses of Teschenite 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.