AM_Fluorcaphite Formula: Ca2.45 Sr1.591 Na.585 Ce.22 La.134 Nd.02 P3 O12.042 (F.958 H.042) Name: Fluorcaphite Unit cell: 9.4456 9.4456 6.952 90.0 90.0 120.0 , V=537.15 Space group: P63 (173)

Chakhmouradian A R , Hughes J M , Rakovan J F , The Canadian Mineralogist , 43 (2005) p.735-746, Fluorcaphite, a second occurrence and detailed structural analysis:, Simultaneous accommodation of Ca, Sr, Na, LREE in the apatite atomic arrangement, Sample: Mt. Selsurt, Lovozero, Russia