Citation: Foit, F. F.; Rosenberg, P. E. (1979). The structure of vanadium-bearing tourmaline and its implications regarding tourmaline solid solutions. American Mineralogist, 64, pp. 788-798.
Formula: Al5.94 B3 Ca0.36 Cr0.18 Fe0.18 H4 Mg2.04 Na0.46 O31 Si5.64 Ti0.06 V1.11
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al36 B9 Cr9 Fe9 H9 Mg9 O93 Si18 Ti18 V27 (Al12 B3 Cr3 Fe3 H3 Mg3 O31 Si6 Ti6 V9)
Multiplicity: 1