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Thulium (Tm)

Atomic Number: 69 • Group: HREE

69
168.934
Tm
Thulium
HREE

Primary Uses

Portable X-ray machines, Metal halide lamps

Short Description

Thulium is one of the rarest rare earth elements, used in portable X-ray devices for medical and industrial non-destructive testing. Thulium-doped lasers offer unique wavelengths valuable for surgical applications, and it is used as the radiation source in specialized metal halide lamps.