| Item | Data |
| Appearance | white to yellow powder |
| Odor | Odorless |
| Melting point | 2600 °C |
| Bolting point | 3500°C |
| Density | 7.13g/cm 3 |
| Particle Size | 50nm - 5um |
| Total rare earth | 99% |
| Purity | 99%~99.999% |
| Stability | Stable, but absorbs carbon dioxide from the air |
| Solubility | insoluble |