NN | Card | Specie | Formula | Space Group |
---|---|---|---|---|
1. | 1007 | [7], t-beryl, K-substituted, DF | K0.085Mg2Al4.17Si4.83O18 | P 6/mcc |
2. | 8487 | [6], t-beryl, syn, DN | (K,Na)0.06(Mg,Cr,Al)2[Be1.07Al2.15Si5.78]O18 | P 6/mcc |
3. | 8089 | [3], t-beryl, DN | (K,Ca)0.42Mg1.94Fe0.06Al4.25Si4.75O18 | P 6/mcc |