AM_Pargasite_9
Formula: O24 Si6 Al2.8 Mg4.34 Ca1.86 Na.94
Name: Pargasite
Unit cell: 9.8929 17.944 5.2804 90.0 105.505 90.0 , V=903.25
Space group: C12/M1 (12)

Sharma A , Jenkins D M , American Mineralogist , 84 (1999) p.1304-1318, Hydrothermal synthesis of amphiboles along the tremolite-pargasite join, and in the ternary system tremolite-pargasite-cummingtonite, Sample: PARG 11-7