Homium Ho
Holmium, discovered in 1878, is another silvery white metal. With the highest magnetic strength of any element, holmium is used to create the strongest artificial magnetic fields. It is also used as a burnable poison in nuclear reactors due to its capability of absorbing neutrons. Holmium is used in solid-state lasers which are widely used in microwave equipments and have applications in medical devices and optical fibers. Additionally, holmium is one of the colorants for cubic zirconia and glasses.