Citation: Bosi, F.; Lucchesi, S. (2004). Crystal chemistry of the schorl-dravite series Note: Tourmaline TMl2al. European Journal of Mineralogy, 16, pp. 335-344.
Formula: Al6.798 B3 F0.178 Fe1.725 H0.538 K0.013 Li0.024 Mg0.498 Mn0.048 Na0.678 O30.821 Si5.838 Ti0.03 Zn0.039
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al45 B9 F3 Fe45 Li9 Mg27 Mn9 O96 Si18 Ti9 Zn9 (Al15 B3 F Fe15 Li3 Mg9 Mn3 O32 Si6 Ti3 Zn3)