Know all about Hornfels and Dunite properties here. All properties of rocks are important as they define the type of rock and its application. Hornfels belongs to Metamorphic Rocks while Dunite belongs to Igneous Rocks.Texture of Hornfels is Granular, Platy whereas that of Dunite is Phaneritic. Hornfels appears Dull and Dunite appears Rough and Shiny. The luster of Hornfels and Dunite is shiny. Hornfels and Dunite 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 Dunite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.