| NN | Card | Specie | Formula | Space Group |
|---|---|---|---|---|
| 1. | 457 | [2], t-beryl, Cs, DN | (Be,Li)3Al2Si6O18(Na,Cs)0.5 · 0.7[H2O] | P 6/mcc |
| 2. | 458 | [3], t-beryl, Li | (Be,Li)3Al2Si6O18Na0.35Cs0.15 · 0.9[H2O] | P 6/mcc |
| 3. | 463 | [8], t-beryl, DN | (Be,Li)3Al2Si6O18 · (Na,Cs)0.3 · 0.54[H2O] | P 6/mcc |
| 4. | 8423 | [19], t-beryl, at 100 K, DN | (Be,Li)3 Al2Si6O18(Cs,Na)0.5 · 0.19H2O | P 6/mcc |
| 5. | 9586 | [20], t-beryl, syn, DN | (Be,Al,Si)3(Al,Mg,Fe)2Si6O18Cs0.07 | P 6/mcc |
| 6. | 10564 | [21], t-beryl, Cs, DN | (Be,Li)3Al2(Na,Cs)0.5Si6O18 | P 6/mcc |