AM_Fluoropargasite Formula: Si6.012 Al2.762 Mg4.306 Ca2.12 Na.85 O22 F2 Name: Fluoropargasite Unit cell: 9.82 17.896 5.294 90.0 105.3 90.0 , V=897.39 Space group: C12/M1 (12)

Oberti R , Sardone N , Hawthorne F C , Raudsepp M , Turnock A C , The Canadian Mineralogist , 33 (1995) p.25-31, Synthesis and crystal-structure refinement of synthetic fluor-pargasite, Sample: FP1 [note: ideal = NaCa2(Mg4Al)(Si6Al2)O22(OH)2], Locality: sythetic