Darapiozite

Fe_0.33K_1.36Li_1.53Mg_0.04Mn_1.46Na_1.22O₃₀Si₁₂Y_0.22Zn_1.14Zr_0.28

Ferraris, G.Prencipe, M.Puatov, L. A.Sokolova, E. V.

The Canadian Mineralogist (1999) 37, 769-774

a=10.262Å   b=10.262Å   c=14.307Å

α=90°   β=90°   γ=120°