AM_Nacaphite_1 Formula: Ca1.96 Na4.04 P2 F2 O8 Name: Nacaphite Unit cell: 5.3232 12.2103 7.0961 90.002 89.998 89.965 , V=461.23 Space group: P-1 (2)

Sokolova E V , Hawthorne F C , The Canadian Mineralogist , 39 (2001) p.1275-1294