AM_Na2CaMg(PO4)2 Formula: Na2 Ca Mg P2 O8 Name: Na2CaMg(PO4)2 Unit cell: 5.309 5.309 7.237 90.0 90.0 120.0 , V=176.65 Space group: P-3M1 (164)

Alkemper J , Fuess H , Zeitschrift fur Kristallographie , 213 (1998) p.282-287, The crystal structures of NaMgPO4, Na2CaMg(PO4)2 and Na18Ca13Mg5(PO4)18:, new examples for glaserite related structures, Locality: synthetic, Note: known as the beta polymorph of Na2CaMg(PO4)2