Crystal Structure of Nickel selenide
| Id | 1011367 |
| Chemical name | Nickel selenide |
| Mineral name | Sederholmite |
| a (Å) | 3.66 |
| b (Å) | 3.66 |
| c (Å) | 5.33 |
| α (°) | 90 |
| β (°) | 90 |
| γ (°) | 120 |
| V (Å3) | 61.8 |
| Space group | P 63/m m c |
Publication: Geologiska Foereningens i Stockholm Foerhandlingar (1925) 47, 19-73