Know all about Hornfels and Breccia properties here. All properties of rocks are important as they define the type of rock and its application. Hornfels belongs to Metamorphic Rocks while Breccia belongs to Sedimentary Rocks.Texture of Hornfels is Granular, Platy whereas that of Breccia is Brecciated, Clastic. Hornfels appears Dull and Breccia appears Layered, Banded, Veined and Shiny. The luster of Hornfels is shiny while that of Breccia is dull to pearly. Hornfels is available in brown, dark greenish - grey, green, reddish brown colors whereas Breccia is available in beige, black, blue, brown, buff, green, grey, orange, pink, purple, red, rust, white, yellow colors. The commercial uses of Hornfels are cemetery markers, commemorative tablets, creating artwork and that of Breccia are creating artwork, gemstone, jewelry.