AM_Pargasite_25
Formula: O23.96 F.04 Si5.92 Al2.73 Fe2.75 Ti.35 Mg5.85 Ca3.16 Na1.49 K.42 H2
Name: Pargasite
Unit cell: 9.862 18.063 5.319 90.0 105.06 90.0 , V=914.97
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 12