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Ringwoodite |
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Hazen R M, Downs R T, Finger L W |
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American Mineralogist 78 (1993) 1320-1323 |
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Crystal chemistry of ferromagnesian silicate spinels: Evidence for Mg-Si |
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disorder |
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Sample: SUNY 1097 |
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_database_code_amcsd 0001626 |
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8.2030 8.2030 8.2030 90 90 90 *Fd3m |
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.125 .125 .125 |
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atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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Si .125 .125 .125 .00147 .00147 .00147 0 0 0 |
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Mg .5 .5 .5 .21 .00180 .00180 .00180 .00001 .00001 .00001 |
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Fe .5 .5 .5 .79 .00180 .00180 .00180 .00001 .00001 .00001 |
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O .2415 .2415 .2415 .00209 .00209 .00209 -.00007 -.00007 -.00007 |
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