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