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(Fe.447Mg.417Ru.115Ir.021)2(Fe.771Mg.229)O4 |
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Righter K, Downs R T |
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Geophysical Research Letters 28 (2001) 619-622 |
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The crystal structures of synthetic Re- and PGE-bearing magnesioferrite spinels: |
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Implications for impacts, accretion and the mantle |
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Sample: 115 |
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_database_code_amcsd 0012668 |
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8.4034 8.4034 8.4034 90 90 90 *Fd3m |
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.125 .125 .125 |
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atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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FeM .5 .5 .5 .447 .62 .00221 .00221 .00221 -.00005 -.00005 -.00005 |
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MgM .5 .5 .5 .417 .62 .00221 .00221 .00221 -.00005 -.00005 -.00005 |
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RuM .5 .5 .5 .115 .62 .00221 .00221 .00221 -.00005 -.00005 -.00005 |
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IrM .5 .5 .5 .021 .62 .00221 .00221 .00221 -.00005 -.00005 -.00005 |
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FeT .125 .125 .125 .771 .61 .00217 .00217 .00217 0 0 0 |
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MgT .125 .125 .125 .229 .61 .00217 .00217 .00217 0 0 0 |
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O .2567 .2567 .2567 .71 .00251 .00251 .00251 -.00003 -.00003 -.00003 |
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