Know all about Greenschist and Hornfels properties here. All properties of rocks are important as they define the type of rock and its application. Greenschist and Hornfels belong to Metamorphic Rocks.Texture of Greenschist is Foliated, Platy whereas that of Hornfels is Granular, Platy. Greenschist appears Layered and Shiny and Hornfels appears Dull. The luster of Greenschist and Hornfels is shiny. Greenschist is available in dark greenish - grey, green colors whereas Hornfels is available in brown, dark greenish - grey, green, reddish brown colors. The commercial uses of Greenschist are blackboards, manufacture of tools, writing slates and that of Hornfels are cemetery markers, commemorative tablets, creating artwork.