| NN | Card | Specie | Formula | Space Group |
|---|---|---|---|---|
| 1. | 2933 | [1], alpha, t-moganite | SiO2 | I 2/a |
| 2. | 5685 | [2], alpha, t-moganite, at 298oC | SiO2 | I 2/a |
| 3. | 5686 | [3], beta, at 1354oC | SiO2 | *I mcb |
| 4. | 11536 | [4], alpha, t-moganite | SiO2 | I 2/a |
| 5. | 11537 | [5], alpha, t-moganite | SiO2 | I 2/a |