Sincosite

CaH₈O₁₄P₂V₂

Franke, W. A.Luger, P.Weber, M.Ivanova, T. I.

Zapiski Vserossijskogo Mineralogicheskogo Obshchestva (1997) 126N2, 85-86

a=6.354Å   b=6.329Å   c=6.598Å

α=106.72°   β=94.10°   γ=90.06°