Dysprosium is a chemical element with the symbol Dy and atomic number 66. It is a rare earth metal that belongs to the lanthanide series on the periodic table. Dysprosium is known for its high magnetic susceptibility and is often used in the production of strong permanent magnets, which are essential in various technologies, including electric vehicles and wind turbines. This element is silvery-white in color and is relatively stable in air. Dysprosium is primarily obtained from minerals such as xenotime and monazite. Due to its unique properties, it plays a crucial role in the development of advanced materials and electronic devices.