NN | Card | Specie | Formula | Space Group |
---|---|---|---|---|
1. | 10011 | [1], t-cordierite, DF | Na0.2(Fe,Li,Mg)2Al4Si5O18 · 0.62H2O | C ccm |
2. | 9156 | [3], t-cordierite, syn | Fe2Al4Si5O18 | C ccm |
3. | 4168 | [4], Fe-rich, t-cordierite, at 24oC | (Mg,Fe)2Al4Si5O18 · 0.61H2O | C ccm |
4. | 4169 | [5], Fe-rich, t-cordierite, at 375oC | (Mg,Fe)2Al4Si5O18 · 0.61H2O | C ccm |