Know all about Troctolite and Greenschist properties here. All properties of rocks are important as they define the type of rock and its application. Troctolite belongs to Igneous Rocks while Greenschist belongs to Metamorphic Rocks.Texture of Troctolite is Phaneritic whereas that of Greenschist is Foliated, Platy. Troctolite appears Veined and Shiny and Greenschist appears Layered and Shiny. The luster of Troctolite is not available while that of Greenschist is shiny. Troctolite is available in dark grey to black colors whereas Greenschist is available in dark greenish - grey, green colors. The commercial uses of Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Greenschist are blackboards, manufacture of tools, writing slates.