Schullerite

Al_0.2Ba_1.6Ca_0.4FFe_1.4K_0.1Mg_0.9Mn_0.5Na_1.1Nb_0.2O₁₇Si₄Sr_0.3Ti_1.3

Rastsvetaeva, R. K.Aksenov, S.Chukanov, N.

Doklady Chemistry (2011) 437, 90-94

a=5.4027Å   b=7.0656Å   c=10.2178Å

α=99.816°   β=99.624°   γ=90.085°