Citation: Appel, P.W.U.; Brigatti, M.F. (1999). Ludwigite from central Sweden: new data and crystal structure refinement. Mineralogical Magazine (1969-), 63, pp. 511-518.
Formula: Al0.093 B Fe0.967 Mg1.93 O5
Chemical name: (Mg1.93 Fe0.967 Al0.093) O2 (B O3)
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al4 B4 Fe18 Mg12 O20 (Al2 B2 Fe9 Mg6 O10)
Multiplicity: 1