KMg25Cu75F3 Formula: K (Cu.75 Mg.25) F3 Name: KMg.25Cu.75F3 Unit cell: 5.8149 5.8149 7.8863 90.0 90.0 90.0 , V=266.66 Space group: I4/MCM (140)
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 = 0.750