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Gahnite |
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Fregola R A, Skogby H, Bosi F, D'Ippolito V, Andreozzi G B, Halenius U |
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American Mineralogist 99 (2014) 2187-2195 |
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Optical absorption spectroscopy study of the causes for color variations in natural |
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Fe-bearing gahnite: Insights from iron valency and site distribution data |
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Note: Sample Sp2781_6c |
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Locality: Migiandone mine, Val d'Ossola, Italy |
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_database_code_amcsd 0020411 |
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8.1103 8.1103 8.1103 90 90 90 *Fd-3m |
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.125 .125 .125 |
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atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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ZnT .125 .125 .125 .70 .00611 .00611 .00611 .00611 0 0 0 |
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FeT .125 .125 .125 .25 .00611 .00611 .00611 .00611 0 0 0 |
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FeT .125 .125 .125 .05 .00611 .00611 .00611 .00611 0 0 0 |
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AlM .5 .5 .5 .96 .00510 .00510 .00510 .00510 -.00033 -.00033 -.00033 |
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Fe3+M .5 .5 .5 .005 .00510 .00510 .00510 .00510 -.00033 -.00033 -.00033 |
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MgM .5 .5 .5 .015 .00510 .00510 .00510 .00510 -.00033 -.00033 -.00033 |
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Fe2+M .5 .5 .5 .02 .00510 .00510 .00510 .00510 -.00033 -.00033 -.00033 |
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O .26440 .26440 .26440 .00510 .00510 .00510 .00510 -.00025 -.00025 -.00025 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
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