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65Tb158.9Terbium

ree · Z 65 · 158.9 u

Terbium (Tb)

Terbium is a heavy rare earth. Ionic clays in southern China and Myanmar are the mine. Magnets take the kilogram.

Dysprosium and terbium are the two heavies that make a high-temperature magnet. Supply is policy, not a second pit in Australia — yet.

Geo

Mine, process, refine.

ISOCountryRoleNote
CNChinaMineIonic clay and separation
MMMyanmarMineClay feed
AUAustraliaMineXenotime / heavy projects

Forms

  • Tb4O7
  • Metal

Uses

  • NdFeB grain-boundary
  • Phosphors