Know all about Mudstone and Hornfels properties here. All properties of rocks are important as they define the type of rock and its application. Mudstone belongs to Sedimentary Rocks while Hornfels belongs to Metamorphic Rocks.Texture of Mudstone is Clastic whereas that of Hornfels is Granular, Platy. Mudstone appears Rough and Dull and Hornfels appears Dull. The luster of Mudstone is dull while that of Hornfels is shiny. Mudstone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Hornfels is available in brown, dark greenish - grey, green, reddish brown colors. The commercial uses of Mudstone are creating artwork, pottery and that of Hornfels are cemetery markers, commemorative tablets, creating artwork.