Iangreyite

Al₇Ca₂H₃₃O₃₉P₄

Mills, S. J.Kampf, A. R.Sejkora, J.Adams, P. M.Birch, W. D.Plasil, J.

Mineralogical Magazine (2011) 75, 327-336

a=6.988Å   b=6.988Å   c=16.707Å

α=90°   β=90°   γ=120°