Citation: Ito, T.; Watanabe, T.; Takeuchi, Y. (1950). The crystal structures of warwickite, ludwigite and pinakiolite. Acta Crystallographica (1,1948-23,1967), 3, pp. 98-107.
Formula: B2 Fe2.6 Mg3.4 O10
Chemical name: Mg3 (Mg0.4 Fe0.6) Fe2 (B2 O10)
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: B4 Fe6 Mg8 O20 (B2 Fe3 Mg4 O10)
Multiplicity: 1