Citation: Schmetzer, K.; Nuber, B.; Abraham, K. (1979). Zur Kristallchemie magnesium-reicher Turmaline. Neues Jahrbuch fuer Mineralogie. Abhandlungen (Band-Nr) (1950-), 136, pp. 93-112.
Formula: Al6.36 B3 Ca0.27 H3.5 Mg2.64 Na0.65 O31 Si6
Chemical name: Na0.65 Ca0.27 Mg2.64 Al6.36 (B O3)3 (Si6 O18) O0.5 (O H)3.5
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al27 B9 Mg9 O93 Si18 (Al9 B3 Mg3 O31 Si6)
Multiplicity: 1
Coordination sequences: