NN | Card | Specie | Formula | Space Group |
---|---|---|---|---|
1. | 8249 | [2], t-tourmaline, DF | (Ca,Na)(Li,Al,Fe)3Al6[BO3]3Si6O18(O,OH,F)4 | R 3m |
2. | 8966 | [3], t-tourmaline | (Ca,Na,K)(Li,Al)3Al6[BO3]3Si6O18(F,O,OH)4 | R 3m |
3. | 8967 | [4], t-tourmaline | (Ca,Na,K)(Li,Al)3Al6[BO3]3Si6O18(F,O,OH)4 | R 3m |
4. | 9314 | [5], t-tourmaline | (Ca,Na,K)(Li,Al)3Al6[BO3]3Si6O18(F,OH)4 | R 3m |