Citation: Grice, J. D.; Ercit, T. S. (1993). Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Sample: Elbaite 55224. Neues Jahrbuch fur Mineralogie, Abhandlungen, 165, pp. 245-266.
Formula: Al7.53 B3.18 Ca0.03 F0.63 Fe0.03 H3.33 Li1.02 Mn0.39 Na0.66 O30.36 Si5.82
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al27 B27 F9 Fe9 H9 Li9 Mn9 O108 Si18 (Al3 B3 F Fe H Li Mn O12 Si2)
Multiplicity: 1