AM_Pargasite_26 Formula: O23.96 F.04 Si5.84 Al2.81 Fe2.44 Ti.45 Mg6.1 Ca3.16 Na1.43 K.43 H2 Name: Pargasite Unit cell: 9.857 18.037 5.31 90.0 105.09 90.0 , V=911.52 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 13