AM_Magnesiotaramite Formula: Si6.24 Al2.88 Mg2.94 Fe.9 Ti.04 Ca1.06 Na2.94 H2 O24 Name: Magnesiotaramite Unit cell: 9.772 17.853 5.31 90.0 104.83 90.0 , V=895.52 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: A5 - G230F N.3