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