Know all about Hornfels and Arkose properties here. All properties of rocks are important as they define the type of rock and its application. Hornfels belongs to Metamorphic Rocks while Arkose belongs to Sedimentary Rocks.Texture of Hornfels is Granular, Platy whereas that of Arkose is Clastic. Hornfels appears Dull and Arkose appears Rough and Dull. The luster of Hornfels is shiny while that of Arkose is dull. Hornfels and Arkose are available in brown, dark greenish - grey, green, reddish brown colors. The commercial uses of Hornfels are cemetery markers, commemorative tablets, creating artwork and that of Arkose are in aquifers, soil conditioner, source of magnesia (mgo), tombstones.