Citation: Biagioni, C.; Merlino, S.; Parodi, G. C.; Perchiazzi, N. (2012). Crystal chemistry of minerals of the wohlerite group from the Los Archipelago, Guinea. The Canadian Mineralogist, 50, pp. 593-609.
Formula: Ca3.841 F2.5 Fe0.402 Mn0.116 Na1.733 Nb0.461 O15.5 Si4 Ti0.539 Zr0.884
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca4 F8 Fe4 Mn2 Nb2 O34 Si8 Ti2 Zr2 (Ca2 F4 Fe2 Mn Nb O17 Si4 Ti Zr)
Multiplicity: 1