Citation: Bosi, F.; Lucchesi, S. (2004). Crystal chemistry of the schorl-dravite series Note: Tourmaline TM233g. European Journal of Mineralogy, 16, pp. 335-344.
Formula: Al6.387 B3 Ca0.099 F0.004 Fe0.486 H0.633 K0.004 Mg2.151 Na0.714 O30.995 Si5.922 Ti0.039 V0.003 Zn0.012
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al45 B9 F3 Fe36 Mg27 O96 Si18 Ti9 V9 Zn9 (Al15 B3 F Fe12 Mg9 O32 Si6 Ti3 V3 Zn3)
Multiplicity: 1