AM_KMg10Cu90F3
Formula: K (Cu.9 Mg.1) F3
Name: KMg.10Cu.90F3
Unit cell: 5.8488 5.8488 7.8585 90.0 90.0 90.0 , V=268.83
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 = 0.900