NN | Card | Specie | Formula | Space Group |
---|---|---|---|---|
1. | 2181 | [1], t-beryl | Mg1.40Fe0.66Al4.11Si4.89O18 | P 6/mcc |
2. | 8089 | [3], t-beryl, DN | (K,Ca)0.42Mg1.94Fe0.06Al4.25Si4.75O18 | P 6/mcc |
3. | 9118 | [9], t-beryl, syn | Fe2Al4Si5O18 | P 6/mcc |
4. | 9624 | [10], Be, syn, t-beryl, DF | (Mg,Fe)2(Al,Be)3Cs0.16Na0.02[Si5.7Al0.3]O18 | P 6/mcc |