AM_Ferropargasite Formula: Na.36 K.37 Ca1.94 Mg1.8 Fe2.76 Al2.3 Ti.06 Si6.08 O23.74 F.26 H1.74 Name: Ferropargasite Unit cell: 9.895 18.119 5.332 90.0 105.17 90.0 , V=922.65 Space group: C12/M1 (12)

Oberti R , Ungaretti L , Cannillo E , Hawthorne F C , American Mineralogist , 78 (1993) p.746-752, The mechanism of Cl incorporation in amphibole, Sample: Cl(0), Locality: Nuptse Glacier moraine, Everest Massif, Nepal