NN | Card | Specie | Formula | Space Group |
---|---|---|---|---|
1. | 1089 | [1], t-ankangite | (K,Na)2(Mn,Fe)8O16 · 0.16H2O | I 4/m |
2. | 1090 | [2], t-hollandite, at 710oC | (K,Na)2(Mn,Fe)8O16 | I 2/m |
3. | 5739 | [3], t-ankangite, syn | K0.54Mn8O16 · 1.48H2O | I 4/m |
4. | 6824 | [4], t-ankangite, syn, DN | K1.33(Mn4+,Mn2+)8O16 | I 4/m |
5. | 9425 | [5], t-hollandite | (K,Na,Sr)2(Mn,Fe,Al)8O16 | I 2/m |