AM_Fluoro-magnesio-aluminokatophorite_2 Formula: Si7.04 Al.53 Ga.68 Mg4.81 Na2 Ca1.72 O22 F2 Name: Fluoro-magnesio-aluminokatophorite Unit cell: 9.866 17.998 5.285 90.0 104.93 90.0 , V=906.77 Space group: C12/M1 (12)

Oberti R , Hawthorne F C , Camara F , Raudsepp M , The Canadian Mineralogist , 36 (1998) p.1245-1252, Synthetic fluoro-amphiboles: site preferences of Al, Ga, Sc and inductive, effects on mean bond-lengths of octahedra, Sample: A3, Ga-substituted