Erbium
allotrope
Er
A rare-earth metal whose pink compounds colour specialist glass and lasers
← Allotrope of Erbium
A crystalline allotrope of Erbium (space group P 63/m m c), sourced from the Crystallography Open Database (COD 9008496).
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Crystallography
| Catalogue identity | Erbium — P 63/m m c - P 63/m m c |
| Formula | Er |
| Crystal system | hexagonal |
| Space group | P 63/m m c |
| Lattice (a, b, c) Å | 3.55, 3.55, 5.59 |
| Angles (α, β, γ) ° | 90, 90, 120 |
| Density (g/cm³) | 9.105 |
| Determination | Experimental (measured) |
Structure data: Crystallography Open Database · Public domain (CC0)