👉 The term "zirconifluoride" is a scientific term that refers to a rare type of fluoride that contains Zr (potassium) and F (fluorine). It is often used in dental applications, where it can be used to enhance tooth color. The zirconifluoride is a solid white or yellowish-white substance, with a hardness of 2-3 on the Mohs scale of mineral hardness.