AM_Fluoronyboite Formula: Ca.48 Na2.306 Mg2.6 Fe1.12 Al1.66 Ti.02 Si7.6 K.036 H.86 O22.86 F1.14 Name: Fluoronyboite Unit cell: 9.668 17.801 5.309 90.0 104.09 90.0 , V=886.19 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: A1 - DJ102 N.3