AM_Triploidite
Formula: (Mn1.5 Fe.5) P O5 H
Name: Triploidite
Unit cell: 12.366 13.276 9.943 90.0 108.23 90.0 , V=1550.42
Space group: P121/A1 (14)

Waldrop L , Zeitschrift fur Kristallographie , 131 (1970) p.1-20, The crystal structure of triploidite and its relation to the structures, of other minerals of the triplite-triploidite group, Refinement with reflections for which I > 1.2Imin, this is the poorer refinement, Locality: Branchville, Connecticut, USA