Volborthite

Cu₃H₆O₁₁V₂

Kashaev, A. A.Rozhdestvenskaya, I. V.Bannova, I. I.Sapozhnikov, A. N.Glebova, O. D.

Journal of Structural Chemistry (2008) 49, 708-711

a=10.646Å   b=5.867Å   c=14.432Å

α=90°   β=95.19°   γ=90°