AM_Pargasite_36 Formula: Si7.48 Ga.68 Mg4.92 Ca1.92 Na.27 O22 F2 Name: Pargasite Unit cell: 9.8356 18.025 5.2801 90.0 104.793 90.0 , V=905.06 Space group: C12/M1 (12)

Jenkins D M , Hawthorne F C , The Canadian Mineralogist , 33 (1995) p.13-24, Synthesis and rietveld refinement of amphibole along, the join Ca2Mg5Si8O22F2 - NaCa2Mg4Ga3Si6O22F2, Sample: PARG 10-1, Locality: sythetic