AM_Fluoropargasite_1
Formula: Si5.88 Al3.058 Mg8.062 Fe2 Ca2.2 Na.8 O22 F2
Name: Fluoropargasite
Unit cell: 9.808 17.868 5.297 90.0 105.3 90.0 , V=895.39
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 FP2 [note: ideal = NaCa2(Mg4Al)(Si6Al2)O22(OH)2], Locality: sythetic