#68
Er
Last update: 2026-04-04
6 records
6 records
Retail Reference
$3736/kg
Metal 99.95%
· 9 g
Luciteria
· US
· 2026-04-04
Bulk Benchmark
—
No commodity benchmark available
Applications
| Application | Role | Significance |
|---|---|---|
| EDFA optical amplifiers | Er3+ dopant in silica fibre, pumped at 980/1480 nm | The basis of every long-haul fibre-optic communications link — subsea cables, terrestrial backbones, data-centre interconnects. Operates in the 1550 nm telecom window. No substitute exists. |
| Erbium lasers | Er:YAG (2940 nm), Er:glass | Dental and dermatological lasers; strongly absorbed by water for precise tissue ablation |
| Pink-tint glass | Er2O3 in soda-lime glass | Decorative glass colouring; absorbs in green/yellow |
| Nuclear control rods | Er2O3 burnable poison in reactor fuel | Used in CANDU and some PWR designs to manage reactivity |
| Up-conversion phosphors | Er/Yb co-doped fluorides and oxides | IR-to-visible up-conversion for displays, security marking, biomedical imaging |
Market & Supply
Global Er2O3 production
~700 t/year (REO basis)
China refined supply share
~99%
Co-produced with
Y, Yb, Tm, Lu, Ho (HREE concentrate)
Telecom share of demand
~40% (EDFA fibre)
Current export control
Suspended until Nov 2026 [3]
Oxide retail (1 kg)
$28–$38/kg
Metal retail (gram-scale)
$3,700–$27,500/kg
Snap-back risk
28 November 2026
Verified Offers
Erbium oxide remains cheap (~$30/kg) but the gram-scale metal market is highly fragmented — the auto-rendered table shows quotations spanning an order of magnitude depending on purity, form factor, and seller.
| Date | Form | Purity | USD/kg | Seller | Country |
|---|---|---|---|---|---|
| 2026-03-15 | Oxide | 99.9% (3N) | $38 | Stanford Advanced Materials | US |
| 2026-03-15 | Oxide | 99.9% (3N) | $28 | Edgetech Industries | CN |
| 2026-03-15 | Oxide | 99.9% (3N) | $32 | ALB Materials | CN |
| 2026-04-04 | Metal | 99.9% (3N) | $10950 | snaucke-elements (eBay) | NL |
| 2026-04-04 | Metal | 99.95% | $3736 | Luciteria | US |
| 2026-04-04 | Metal | 99.95% | $27530 | novaelements (eBay) | IT |
Important Notes
Snap-back risk on 28 November 2026
Erbium controls were imposed in October 2025 then suspended in November 2025. If the suspension is not renewed by 28 November 2026, MOFCOM licensing resumes. A renewed Er control would directly threaten EDFA fibre production and global telecom backbone capacity expansions.
Telecom infrastructure dependency
Er3+-doped fibre amplifiers are the only commercially viable optical amplifier for the 1550 nm low-loss telecom window. Every transatlantic submarine cable, terrestrial backbone, and hyperscaler data-centre interconnect uses EDFAs. There is no engineering substitute.
Co-production with Yb and Tm
Er is recovered alongside Yb, Tm, and Lu in the heavy rare earth separation cascade. Production cannot be scaled independently without disrupting the rest of the HREE basket.
Physical Properties [1]
Z: 68 · Ar: 167.26 u · ρ: 9.066 g/cm3 · Tm: 1,529 °C · Tb: 2,868 °CCrystal: hcp · Config: [Xe]4f126s2 · Ox. states: +3
References
- Wolfram Alpha, “Erbium element.” wolframalpha.com.
- MOFCOM Announcements No. 55, 56, 57, 58, 61, and 62 of 2025 (October 2025 escalation), effective 9 October 2025.
- MOFCOM Announcements No. 70 and No. 72 of 2025 (suspension orders), 7–9 November 2025.