Nordgauite

Al₂Ca_0.07F₂Fe_0.04H₁₀Mg_0.01Mn_0.87O₁₃P₂Zn_0.01

Birch, W. D.Grey, I. E.Mills, S. J.Pring, A.Bougerol, C.Ribabldi-Tunnicliffe AWilson, N. C.Keck, E.

Mineralogical Magazine (2011) 75, 269-278

a=9.887Å   b=9.796Å   c=6.054Å

α=92.70°   β=99.83°   γ=97.10°