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