Krettnichite

H₂Mn₂O₁₀Pb_0.83Sr_0.17V₂

Brugger, J.Armbruster, T.Criddle, A. J.Berlepsch, P.Graeser, S.Reeves, S.

European Journal of Mineralogy (2001) 13, 145-158

a=9.2953Å   b=6.2894Å   c=7.6906Å

α=90°   β=118.068°   γ=90°