Na10 (H2 W12 O42) (H2 O)20

H₄₂Na₁₀O₆₂W₁₂

Evans, H.T.jr.Rollins, O.W.

Acta Crystallographica B (24,1968-38,1982) (1976) 32, 1565-1567

a=12.195Å   b=12.637Å   c=10.558Å

α=108.11°   β=98.67°   γ=111.63°