Hibschite

Al_1.94Ca₃F_1.2Fe_0.06H_2.64O_10.8Si_2.04

Chakhmouradian, A. R.Cooper, M. A.Medici, L.Hawthorne, F. C.Adar, F.

The Canadian Mineralogist (2008) 46, 1033-1042

a=12.037Å   b=12.037Å   c=12.037Å

α=90°   β=90°   γ=90°