AM_Pargasite_44
Formula: Si6.096 Al2.824 Mg3.81 Fe.43 Cr.04 Ca1.76 Na.948 K.01 H2 O24
Name: Pargasite
Unit cell: 9.854 17.931 5.282 90.0 105.33 90.0 , V=900.08
Space group: C12/M1 (12)

Oberti R , Hawthorne F C , Ungaretti L , Cannillo E , The Canadian Mineralogist , 33 (1995) p.867-878, [6]Al disorder in amphiboles from mantle peridotites, Sample: F15