Jaffeite

Ca₆H₆O₁₃Si₂

Yamnova, N. A.Sarp, K.Egorov-Tismenko Y KPushcharovskii, D. Y.

Crystallography Reports (1993) 38, 464-467

a=10.035Å   b=10.035Å   c=7.499Å

α=90°   β=90°   γ=120°