Arsenohopeite

As₂Fe_0.08H₇Mg_0.05Mn_0.05O₁₂Zn_2.82

Neuhold, F.Kolitsch, U.Bernhardt, H. J.Lengauer, C. L.

Mineralogical Magazine (2012) 76, 603-612

a=10.804Å   b=19.003Å   c=5.112Å

α=90°   β=90°   γ=90°