AM_Pargasite_6
Formula:
(Si5.96 Al2.04) (Mg4.1 Fe.9) Ca1.99 Na1.89 O24 H2
Name:
Pargasite
Unit cell:
9.9 17.95 5.311 90.0 105.42 90.0 , V=909.82
Space group:
C12/M1 (12)
Makino K , Tomita K , American Mineralogist , 74 (1989) p.1097-1105, Cation distribution in the octahedral sites of hornblendes, sample E-P from Einstodingen, Antarctica