Crystal Structure of Sederholmite
| Id | 9009900 |
| Mineral name | Sederholmite |
| a (Å) | 3.822 |
| b (Å) | 3.822 |
| c (Å) | 5.350 |
| α (°) | 90 |
| β (°) | 90 |
| γ (°) | 120 |
| V (Å3) | 67.681 |
| Space group | P 63/m m c |
Publication: Acta Chemica Scandinavica (1968) 22, 2118-2134
| Id | 9009900 |
| Mineral name | Sederholmite |
| a (Å) | 3.822 |
| b (Å) | 3.822 |
| c (Å) | 5.350 |
| α (°) | 90 |
| β (°) | 90 |
| γ (°) | 120 |
| V (Å3) | 67.681 |
| Space group | P 63/m m c |