Know all about Skarn and Greenschist properties here. All properties of rocks are important as they define the type of rock and its application. Skarn and Greenschist belong to Metamorphic Rocks.Texture of Skarn is Earthy, Mud-rich, Rough whereas that of Greenschist is Foliated, Platy. Skarn appears Dull and Greenschist appears Layered and Shiny. The luster of Skarn is waxy and dull while that of Greenschist is shiny. Skarn is available in black, brown, colourless, green, grey, white colors whereas Greenschist is available in dark greenish - grey, green colors. The commercial uses of Skarn are creating artwork, gemstone, jewelry, metallurgical flux, source of magnesia (mgo) and that of Greenschist are blackboards, manufacture of tools, writing slates.