AM_Kupletskite_10 Formula: Mn5.73 Na.729 Zn.348 Mg.152 Ti2 Si8 K1.82 Ca.205 O30 F.5 H8 Name: Kupletskite Unit cell: 5.3879 11.9263 11.7136 113.049 94.832 103.077 , V=661.98 Space group: P-1 (2)

Piilonen P C , McDonald A M , Lalonde A E , The Canadian Mineralogist , 41 (2003) p.27-54, Insights into astrophyllite-group minerals II: Crystal chemistry, Sample: MSH20, Locality: nepheline syenite pegmatite at Mont Saint-Hilaire, Quebec, Canada