AM_Hydroxyl-herderite Formula: Ca P Be O5 H Name: Hydroxyl-herderite Unit cell: 9.789 7.661 4.804 90.0 90.02 90.0 , V=360.27 Space group: P121/A1 (14)

Lager G A , Gibbs G V , American Mineralogist , 59 (1974) p.919-925, A refinement of the crystal structure of herderite, CaBePO4OH