Enstatite Zhang J S, Dera P, Bass J D American Mineralogist 97 (2012) 1070-1074 A new high-pressure phase transition in natural Fe-bearing orthoenstatite Locality: San Carlos, Arizona, USA Note: P = 14.26 GPa _database_code_amcsd 0019069 17.87 8.526 4.9485 90 92.88 90 P2_1/c atom x y z occ Uiso Mg1-1 .3759 .6574 .8231 .96 .009 Mg1-2 .1254 .3419 .3658 .95 .008 Mg2-1 .3826 .4820 .3282 .84 .0116 Mg2-2 .1247 .5275 .8672 .88 .009 Fe1-1 .3759 .6574 .8231 .04 .009 Fe1-2 .1254 .3419 .3658 .05 .008 Fe2-1 .3826 .4820 .3282 .16 .0116 Fe2-2 .1247 .5275 .8672 .12 .009 SiA-1 .2716 .3414 .0258 .0069 SiA-2 .2271 .6572 .4422 .0092 SiB-1 .4721 .3398 .8079 .0084 SiB-2 .0249 .6585 .3125 .0101 O1a-1 .1835 .3414 .0380 .006 O1a-2 .3157 .6630 .4710 .004 O2a-1 .3112 .5080 -.0120 .005 O2a-2 .1871 .5030 .5470 .014 O3a-1 .3046 .2090 .8390 .010 O3a-2 .1968 .7020 .1280 .014 O1b-1 .5637 .3340 .8280 .010 O1b-2 .9370 .6520 .3080 .006 O2b-1 .4368 .4960 .6780 .010 O2b-2 .0619 .5152 .1850 .001 O3b-1 .4447 .1854 .6200 .010 O3b-2 .0534 .8130 .1310 .007