Element · Tb · atomic number 65

Terbium

The highest-priced magnet rare earth, used alongside dysprosium for high-temperature NdFeB performance via grain-boundary diffusion.

Facts on this page last re-verified Aug 11, 2026 — the oldest verification date among its current claims. How we verify.

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Linked materials

U.S. Geological Survey · published Jan 1, 2025 · retrieved Aug 11, 2026 · archive