AM_Fluor-arfvedsonite_5 Formula: (Si7.76 Al.24) Fe3.88 Ti.06 Zn.06 Li Na2.75 K.25 O22.64 (F1.36 H.64) Name: Fluor-arfvedsonite Unit cell: 9.832 17.99 5.316 90.0 103.79 90.0 , V=913.18 Space group: C12/M1 (12)

Hawthorne F C , Oberti R , Ottolini L , The Canadian Mineralogist , 34 (1996) p.1015-1019, Lithium-bearing fluor-arfvedsonite from Hurricane, Mountain, New Hampshire: a crystal-chemical study, Sample:H2 - 2[(K.25Na.75)Na2(Li.48Fe2.84Mn.11Zn.05Fe1.45Ti.07), (Si7.89Al0.11)O22(F1.35{OH}.65)], Locality: Hurricane Mountain, New Hampshire, USA