AM_KMg425Cu575F3 Formula: K (Cu.575 Mg.425) F3 Name: KMg.425Cu.575F3 Unit cell: 4.0226 4.0226 4.0226 90.0 90.0 90.0 , V=65.09 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 = 0.575