Calcium Fluoride is a chemical compound with the formula CaF2. It consists of one calcium atom and two fluoride atoms. This compound is commonly found in nature as the mineral fluorite, which is known for its colorful crystals and is often used in the production of fluorine and other fluoride compounds. Calcium fluoride is used in various applications, including the manufacture of glass, ceramics, and aluminum. It also plays a role in the production of certain types of optical components due to its low refractive index and high transparency to ultraviolet light.