| Common name | Durangite |
| Chemical name | Sodium aluminium arsenate fluoride |
| Formula | Al0.91AsF0.73Fe0.09H0.27Li0.05Na0.95O4.27 |
| a (Å) | 6.5789(5) |
| b (Å) | 8.5071(6) |
| c (Å) | 7.0212(5) |
| α (°) | 90.00 |
| β (°) | 115.447(4) |
| γ (°) | 90.00 |
| V (Å3) | 354.83(5) |
| Space group | C 1 2/c 1 |
| Temperature (K) | 293(2) |
| Rint | 0.0125 |