Praseodymium rod, 6.35mm (0.25in) dia, 99.1% (metals basis excluding Ta)

Praseodymium is a chemical element with symbol Pr and atomic number 59. Praseodymium is a soft, silvery, malleable and ductile metal in the lanthanide group. It is valued for its magnetic, electrical, chemical, and optical properties. It is too reactive to be found in native form, and when artificially prepared, it slowly develops a green oxide coating.

Praseodymium - an alloying agent with magnesium to create high-strength metals that are used in aircraft engines. Praseodymium makes up 5 percent of the traditional version of mischmetal.