| NN | Card | Specie | Formula | Space Group |
|---|---|---|---|---|
| 1. | 11882 | [6], t-boehmite, Ga-analogue | GaO(OH) | A mam |
| 2. | 11883 | [7], gamma, t-boehmite, syn, at 23oC | AlO(OH) | C mcm |
| 3. | 11884 | [8], gamma, t-boehmite, syn, at 30oC | AlO(OH) | C mcm |
| 4. | 11885 | [9], gamma, t-boehmite, syn, at 140oC | AlO(OH) | C mcm |
| 5. | 11886 | [10], gamma, t-boehmite, syn, at 240oC | AlO(OH) | C mcm |
| 6. | 11887 | [11], gamma, t-boehmite, syn, annealed 15 days at 473oK | AlO(OH) | C mcm |