AM_Fluorotaramite
Formula: Si7.28 Al1.58 Mg2.43 Fe1.69 Ti.02 Ca.8 Na2.106 K.004 H.98 O22.98 F1.02
Name: Fluorotaramite
Unit cell: 9.722 17.862 5.319 90.0 104.33 90.0 , V=894.93
Space group: C12/M1 (12)

Hawthorne F C , Oberti R , Sardone N , The Canadian Mineralogist , 34 (1996) p.577-593, Sodium at the A site in clinoamphiboles: the effects of composition, on patterns of order, Sample: A4 - DJ102 N.12