Crystal Structure of Ullmannite
| Id | 5910017 |
| Chemical name | Ullmannite |
| a (Å) | 5.91 |
| b (Å) | 5.91 |
| c (Å) | 5.91 |
| α (°) | 90 |
| β (°) | 90 |
| γ (°) | 90 |
| V (Å3) | 206.425 |
| Space group | P 21 3 |
Publication: The second edition of Structure of Crystals (1931) 238-238
| Id | 5910017 |
| Chemical name | Ullmannite |
| a (Å) | 5.91 |
| b (Å) | 5.91 |
| c (Å) | 5.91 |
| α (°) | 90 |
| β (°) | 90 |
| γ (°) | 90 |
| V (Å3) | 206.425 |
| Space group | P 21 3 |