AM_Pargasite_50 Formula: O24 Si7.24 Al1.47 Mg4.15 Ti.06 Fe.08 Ca1.82 Na1.64 K.48 H2 Name: Pargasite Unit cell: 9.8814 17.967 5.2927 90.0 105.263 90.0 , V=906.52 Space group: C12/M1 (12)

Tait K T , Hawthorne F C , Della Ventura G , The Canadian Mineralogist , 39 (2001) p.1725-1732, Al-Mg disorder in a gem-quality pargasite from Baffin Island, Nunavut, Canada, Locality: Baffin Island, Nunavut, Canada