Citation: Raade, G.; Ferraris, G.; Gula, A.; Ivaldi, G. (2002). Gjerdingenite-Fe from Norway, a new mineral species in the labuntsovite group: Description, crystal structure and twinning. The Canadian Mineralogist, 40, pp. 1629-1639.
Formula: Ca0.02 Fe0.56 H20 K2.52 Mn0.38 Na0.72 Nb2.16 O34.74 Si8 Ti1.72 Zr0.04
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca4 Fe10 K4 Mn2 Nb8 O60 Si16 Ti8 Zr8 (Ca2 Fe5 K2 Mn Nb4 O30 Si8 Ti4 Zr4)
Multiplicity: 1