Crystal Structure of Polyhalite
| Id | 2206573 |
| Common name | Polyhalite |
| Chemical name | Dipotassium Dicalcium Magnesium Tetrakis[sulfate(VI)] Dihydrate |
| a (Å) | 6.975(3) |
| b (Å) | 6.984(3) |
| c (Å) | 8.899(3) |
| α (°) | 104.01(3) |
| β (°) | 101.19(3) |
| γ (°) | 114.10(6) |
| V (Å3) | 362.3(4) |
| Space group | P -1 |
| Temperature (K) | 298(2) |
| Rint | 0.0476 |
Publication: Acta Crystallographica, Section E (2005) 61, 8 i135-i136