Triploidite_1 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