Na7 (Mo7 O24) (O H) (H2 O)21

H₄₃Mo₇Na₇O₄₆

Cruywagen, J.J.Esterhuysen, M.W.Heyns, J.B.B.

Inorganica Chimica Acta (2003) 348, 205-211

a=12.8407Å   b=9.9279Å   c=16.2632Å

α=90°   β=92.293°   γ=90°