Metals Documentation
Tb65
Terbium
Rare Earth
Last updated: January 2026Overview
A heavy rare earth element used in permanent magnets and phosphors. Terbium enhances the coercivity of magnets and produces green phosphorescence in displays and lighting.
Strategic Relevance
Critical for magnet performance and green energy technologies. One of the most supply-constrained rare earths.
Applications
01Permanent magnets
02Phosphors for displays
03Solid-state devices
04Naval sonar systems
05Fuel cells
Price History
Historical price trend (USD/kg or USD/tonne)
Physical Properties
- Density
- 8.23 g/cm³
- Melting Point
- 1,356°C
- Atomic Number
- 65
- Category
- Rare Earth
Supply Concentration
- China90%
- Myanmar5%
- Australia3%
- Other2%