Greenwoodite

Al_0.03Ba_0.6Fe_0.98H_0.4Mg_0.02O_11.4Si_0.86V_5.305Zn_0.11

Bartholomew, P. R.Mancini, F.Harlow, G. E.Deifel, N.Cahill, C.Bernhardt, H. J.

The Canadian Mineralogist (2012) 50, 1233-1242

a=5.750Å   b=5.750Å   c=14.459Å

α=90°   β=90°   γ=120°