AM_(Fe447Mg417Ru115Ir021)2(Fe771Mg229)O4
Formula: Fe1.665 Mg1.063 Ru.23 Ir.042 O4
Name: (Fe.447Mg.417Ru.115Ir.021)2(Fe.771Mg.229)O4
Unit cell: 8.4034 8.4034 8.4034 90.0 90.0 90.0 , V=593.42
Space group: FD3M (227)

Righter K , Downs R T , Geophysical Research Letters , 28 (2001) p.619-622, The crystal structures of synthetic Re- and PGE-bearing magnesioferrite spinels:, Implications for impacts, accretion and the mantle, Sample: 115