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 Ru-T17-92. American Mineralogist, 84, pp. 922-928.
Formula: Al6.606 B3 Ca0.017 F0.106 Fe1.044 H3.041 K0.04 Mg1.242 Na0.533 O30.894 Si6 Ti0.084 V0.015
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al27 B9 F3 Fe18 Mg27 O96 Si18 Ti9 V9 (Al9 B3 F Fe6 Mg9 O32 Si6 Ti3 V3)
Multiplicity: 1