Zaccagnaite

C_0.2H_2.912Al_0.4O_3.056Zn_0.6

Lozano, R. P.Rossi, C.La Iglesia, A.Matesanz, E.

American Mineralogist (2012) 97, 513-523

a=3.06616Å   b=3.06616Å   c=22.6164Å

α=90°   β=90°   γ=120°