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 SmFalls. American Mineralogist, 84, pp. 922-928.
Formula: Al6.567 B3 Ca0.016 F0.301 Fe1.047 H3.234 K0.015 Li0.006 Mg1.305 Mn0.018 Na0.684 O30.699 Si6 Ti0.024 V0.006
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al27 B9 F3 Fe18 Li9 Mg27 Mn9 O96 Si18 Ti9 V9 (Al9 B3 F Fe6 Li3 Mg9 Mn3 O32 Si6 Ti3 V3)
Multiplicity: 1