h-Magnetite Koch-Muller M, Mugnaioli E, Rhede D, Speziale S, Kolb U, Wirth R American Mineralogist 99 (2014) 2405-2415 Synthesis of a quenchable high-pressure form of magnetite (h-Fe3O4) with composition Fe1(Fe2+0.75Mg0.26)Fe2(Fe3+0.70Cr0.15Al0.11Si0.04)2O4 Note: Sample Crystal 1 Locality: Synthetic _database_code_amcsd 0020414 9.8 9.6 2.87 90 90 90 Amam atom x y z occ Uiso Fe1 .4309 .6329 1 .70 .005 Cr1 .4309 .6329 1 .15 .005 Al1 .4309 .6329 1 .11 .005 Si1 .4309 .6329 1 .04 .005 Fe2 .25 .376 .5 .75 .012 Mg2 .25 .376 .5 .26 .012 O1 .5 .5 .5 .032 O2 .25 .540 1 .10 O3 .378 .275 1 .022