Citation: Ertl, A.; Marschall, H.; Geister, G.; Henry, D.; Schertl, H. P.; Ntaflos, T.; Luvizotto, G.; Nasdala, L.; Tillmanns, E. (2010). Metamorphic ultrahigh-pressure tourmaline: structure, chemistry, and correlations to P-T conditions. American Mineralogist, 95, pp. 1-10.
Formula: Al6.09 B3 Ca0.05 F0.28 Fe0.12 H6.72 K0.01 Mg2.679 Na0.9 O30.72 Si6 Ti0.03
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al27 B9 F3 Fe9 H18 Mg27 O93 Si18 Ti9 (Al9 B3 F Fe3 H6 Mg9 O31 Si6 Ti3)
Multiplicity: 1