AM_Fluoro-magnesio-aluminokatophorite_1 Formula: (Si7.2 Al.8) (Mg4.15 Sc.85) Na2.76 Ca.98 O22 F2 Name: Fluoro-magnesio-aluminokatophorite Unit cell: 9.853 18.061 5.295 90.0 104.49 90.0 , V=912.30 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: A2, Sc-substituted