Pr59
Praseodymium
Neodymium’s inseparable twin — one half of the NdPr magnet franchise.
Praseodymium is rarely discussed apart from neodymium: the two are chemically similar, costly to separate, and usually sold together as NdPr oxide for permanent magnets. Praseodymium substitutes for a portion of neodymium in NdFeB magnets without degrading performance, effectively stretching magnet supply. On its own it colors glass and ceramics a distinctive yellow-green, hardens magnesium alloys for aircraft engines, and appears in aviation-grade alloys and fiber-optic amplifiers.
Key Applications
- NdFeB permanent magnets (as NdPr oxide) for EVs and wind turbines
- Yellow-green pigments in glass and ceramics
- High-strength magnesium alloys for aerospace
- Didymium glass for welding goggles
Key Facts
- Atomic number
- 59
- Traded as
- NdPr oxide (with Nd)
- Demand driver
- Permanent magnets
- Typical basket share
- ~4–5% of REE content
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