AM_KMg5Cu5F3 Formula: K (Cu.5 Mg.5) F3 Name: KMg.5Cu.5F3 Unit cell: 4.0112 4.0112 4.0112 90.0 90.0 90.0 , V=64.54 Space group: PM3M (221)

Burns P C , Hawthorne F C , Hofmeister A M , Moret S L , Physics and Chemistry of Minerals , 23 (1996) p.141-150, A structural phase-transition in K(Mg1-xCux)F3 perovskite, Sample: x = 0.500