Know all about Mudstone and Greenschist properties here. All properties of rocks are important as they define the type of rock and its application. Mudstone belongs to Sedimentary Rocks while Greenschist belongs to Metamorphic Rocks.Texture of Mudstone is Clastic whereas that of Greenschist is Foliated, Platy. Mudstone appears Rough and Dull and Greenschist appears Layered and Shiny. The luster of Mudstone is dull while that of Greenschist is shiny. Mudstone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Greenschist is available in dark greenish - grey, green colors. The commercial uses of Mudstone are creating artwork, pottery and that of Greenschist are blackboards, manufacture of tools, writing slates.