Know all about Trachyte and Hornfels properties here. All properties of rocks are important as they define the type of rock and its application. Trachyte belongs to Igneous Rocks while Hornfels belongs to Metamorphic Rocks.Texture of Trachyte is Aphanitic to Porphyritic whereas that of Hornfels is Granular, Platy. Trachyte appears Banded and Hornfels appears Dull. The luster of Trachyte is metallic while that of Hornfels is shiny. Trachyte is available in black, brown, dark greenish - grey, green, grey, light to dark grey, white colors whereas Hornfels is available in brown, dark greenish - grey, green, reddish brown colors. The commercial uses of Trachyte are cemetery markers, creating artwork and that of Hornfels are cemetery markers, commemorative tablets, creating artwork.