Citation: Bosi, F.; Lucchesi, S. (2004). Crystal chemistry of the schorl-dravite series Note: TourmalineTM60e. European Journal of Mineralogy, 16, pp. 335-344.
Formula: Al6.3 B3 Ca0.093 F0.205 Fe1.734 H0.443 K0.009 Mg0.975 Mn0.012 Na0.682 O30.795 Si5.874 Ti0.081 Zn0.015
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al45 B9 F3 Fe54 Mg27 Mn9 O96 Si18 Ti9 Zn9 (Al15 B3 F Fe18 Mg9 Mn3 O32 Si6 Ti3 Zn3)