AM_Neighborite_14
Formula: (Na.82 K.18) Mg F3
Name: Neighborite
Unit cell: 5.4486 5.5101 7.7623 90.0 90.0 90.0 , V=233.04
Space group: PBNM (62)

Chakhmouradian A R , Ross K , Mitchell R H , Swainson I , Physics and Chemistry of Minerals , 28 (2001) p.277-284, The crystal chemistry of synthetic potassium-bearing neighborite, (Na1-xKx)MgF3, Sample studied by X-ray diffraction, x = .18