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. Canadian Mineralogist, 40, pp. 1629-1639.
Formula: Al0.1 Ca0.04 Fe1.15 H26.96 K3.84 Mn0.75 Na0.72 Nb4.3 O67.4 Si15.9 Ti3.45 Zr0.05
Chemical name: (K1.2 Na0.72 (H2 O)2.08) (K2.08 (H2 O)1.92) ((H2 O)3.4 K0.56 Ca0.04) (Fe0.95 Mn0.75) (Nb4.30 Ti3.45 Fe0.20 Zr0.05) (Si15.9 Al0.1) O48 ((O H)4.16 O3.84) (H2 O)4
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 Ca4 Fe10 K4 Mn2 Nb8 O60 Si16 Ti8 Zr8 (Al8 Ca2 Fe5 K2 Mn Nb4 O30 Si8 Ti4 Zr4)
Multiplicity: 1