NN | Card | Specie | Formula | Space Group |
---|---|---|---|---|
1. | 505 | [1], t-bertrandite | Be4Si2O7(OH)2 | C mc2(1) |
2. | 501 | [2], t-bertrandite | Be4Si2O7(OH)2 | C mc2(1) |
3. | 502 | [3], t-bertrandite, at 1 kbar | Be4Si2O7(OH)2 | C mc2(1) |
4. | 503 | [4], t-bertrandite, at 23 kbar | Be4Si2O7(OH)2 | C mc2(1) |
5. | 504 | [5], t-bertrandite, at 41 kbar | Be4Si2O7(OH)2 | C mc2(1) |