Citation: Bosi, F.; Lucchesi, S. (2004). Crystal chemistry of the schorl-dravite series Note: Tourmaline TM65e. European Journal of Mineralogy, 16, pp. 335-344.
Formula: Al6.111 B3 Ca0.11 F0.02 Fe0.783 H0.618 K0.01 Mg2.088 Mn0.006 Na0.677 O30.98 Si5.958 Ti0.042 V0.006 Zn0.009
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al45 B9 F3 Fe36 Mg27 Mn9 O96 Si18 Ti9 V9 Zn9 (Al15 B3 F Fe12 Mg9 Mn3 O32 Si6 Ti3 V3 Zn3)