(Na0.66 Ca0.18) (Mg2.46 Al0.54) (Al5.64 Mg0.36) (B O3)3 (Si6 O18) ((O H)3.68 F0.12 O0.2)

Al_6.18B₃Ca_0.18F_0.12H_3.68Mg_2.82Na_0.66O_30.88Si₆

Pertlik, F.Ertl, A.Schuster, R.Brandstaetter, F.Koerner, W.

Neues Jahrbuch fuer Mineralogie. Monatshefte (Band=Jahr) (1950-) (2003) 2003, 277-288

a=15.9459Å   b=15.9459Å   c=7.1723Å

α=90°   β=90°   γ=120°