AM_Hornblende_5
Formula: Si6.168 Al2.512 Mg3.43 Fe1.03 Ti.04 Ca1.82 Na.774 K.005 H2 O24
Name: Hornblende
Unit cell: 9.867 17.998 5.285 90.0 105.19 90.0 , V=905.75
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: F3