NN | Card | Specie | Formula | Space Group |
---|---|---|---|---|
1. | 1912 | [1], t-helvite | (Mn,Fe,Zn)8[Be6Si6O24]S2 | P 4(-)3n |
2. | 1913 | [2], t-helvite | Mn4[BeSiO4]3S | P 4(-)3n |
3. | 1914 | [3], t-helvite, at 1 atm | (Mn,Fe,Zn)8[Be6Si6O24]S2 | P 4(-)3n |
4. | 1915 | [4], t-helvite, at 14 kbar | (Mn,Fe,Zn)8[Be6Si6O24]S2 | P 4(-)3n |
5. | 1916 | [5], t-helvite, at 27 kbar | (Mn,Fe,Zn)8[Be6Si6O24]S2 | P 4(-)3n |
6. | 1917 | [6], t-helvite, at 36 kbar | (Mn,Fe,Zn)8[Be6Si6O24]S2 | P 4(-)3n |
7. | 1918 | [7], t-helvite, at 45 kbar | (Mn,Fe,Zn)8[Be6Si6O24]S2 | P 4(-)3n |