AM_Osumilite_13
Formula: Si10.08 Al4.8 Fe.26 O30 Mg1.78 Mn.04 Ti.04 K.829 Na.104
Name: Osumilite
Unit cell: 10.0999 10.0999 14.3355 90.0 90.0 120.0 , V=1266.42
Space group: P6/MCC (192)

Seryotkin Y V , Sokol E V , Bakakin V V , Likhacheva A Y , European Journal of Mineralogy , 20 (2008) p.191-198, Locality: South Urals, Russia