What is another word for hornfels?
Pronunciation: [hˈɔːnfə͡lz] (IPA) 
Hornfels is a type of rock formed from the metamorphism of sedimentary rocks under high temperatures and pressures. The word "hornfels" comes from the German word "horn" meaning "horn" and "fels" meaning "rock". However, there are several synonyms used to describe this type of rock, including hornstone, flint, chert, quartzite, and slate. Hornstone is a dense, hard rock that is often used for making tools. Flint is a variety of hornstone that has been used for making arrowheads and other sharp tools. Chert is a fine-grained sedimentary rock that can be used as a flint substitute. Quartzite is a hard, white rock that is used as a building material. Lastly, slate is a metamorphic rock that is characterized by its smooth, flat surface and often used for roofing.
