Thadeuite

Ca_0.95Fe_0.58H₂Mg_2.18Mn_0.29O₁₀P₂

Isaacs, A. M.Peacor, D. R.

American Mineralogist (1982) 67, 120-125

a=6.412Å   b=13.563Å   c=8.545Å

α=90°   β=90°   γ=90°