AM_Pseudolaueite
Formula: Mn Fe2 P2 O18 H18
Name: Pseudolaueite
Unit cell: 9.647 7.428 10.194 90.0 104.63 90.0 , V=706.80
Space group: P121/A1 (14)

Baur W H , American Mineralogist , 54 (1969) p.1312-1323, A comparison of the crystal structures of pseudolaueite and laueite