Citation: Moore, P. B.; Araki, T. (1974). Pinakiolite, Mg2MnO2[BO3]; warwickite, Mg(Mg0.5Ti0.5)O[BO3]; wightmanite, Mg5(O)(OH)5[BO3].nH2O: Crystal chemistry of complex 3 Angstrom wallpaper structures. American Mineralogist, 59, pp. 985-1004.
Formula: B2 Fe0.02 Mg3.62 Mn2.16 O10
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: B8 Fe8 Mg12 Mn12 O40 (B2 Fe2 Mg3 Mn3 O10)
Multiplicity: 1