Citation: Bloodaxe, E. S.; Hughes, J. M.; Dyar, M. D.; Grew, E. S.; Guidotti, C. V. (1999). Linking structure and chemistry in the schorl-dravite series Sample 108749. American Mineralogist, 84, pp. 922-928.
Formula: Al7.014 B3 Ca0.1 F0.302 Fe1.233 H3.465 K0.043 Li0.006 Mg0.846 Na0.711 O30.698 Si5.832 Ti0.048 V0.006 Zn0.006
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al45 B9 F3 Fe9 Li9 Mg27 O96 Si18 Ti9 V9 Zn9 (Al15 B3 F Fe3 Li3 Mg9 O32 Si6 Ti3 V3 Zn3)
Multiplicity: 1