AM_Pargasite_23 Formula: O23.96 F.04 Si6 Al2.65 Fe2.08 Ti.55 Mg2.44 Ca3.16 Na1.44 K.35 H2 Name: Pargasite Unit cell: 9.865 18.059 5.314 90.0 105.08 90.0 , V=914.10 Space group: C12/M1 (12)

Oberti R , Vannucci R , Zanetti A , Tiepolo M , Brumm R C , American Mineralogist , 85 (2000) p.407-419, A Crystal Chemical re-evaluation of amphibole/melt and amphibole/clinopyroxene, DTi values in petrogenetic studies, SAMPLE 10