Barrerite

Al_1.876Ba_0.002Ca_0.162H₃₄K_0.03Mg_0.047N_1.315Na_0.106O_22.52Si_7.123

Meneghinello, E.Alberti, A.Cruciani, G.Sacerdoti, M.McIntyre, G.Ciambelli, P.Rapascciuolo, M. T.

European Journal of Mineralogy (2000) 12, 1123-1129

a=13.601Å   b=18.232Å   c=17.810Å

α=90°   β=90°   γ=90°