The hornfels is a type of natural stones that is often used for gardening decoration, and similar tasks. However, individual hornfels stones may not be suiteable for all of these applications.

The color range of hornfels includes beige hornfels, black hornfels, blue hornfels, brown hornfels, dark beige hornfels, dark green hornfels, dark grey hornfels, dark red hornfels, dark yellow hornfels, green hornfels, grey hornfels, light beige hornfels, light green hornfels, light grey hornfels, light red hornfels, light yellow hornfels, pink hornfels, red hornfels, white hornfels, yellow hornfels, and others.