AM_KMg15Cu85F3
Formula: K (Cu.85 Mg.15) F3
Name: KMg.15Cu.85F3
Unit cell: 5.8423 5.8423 7.8647 90.0 90.0 90.0 , V=268.44
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 = 0.850