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Humite |
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Ribbe P H, Gibbs G V |
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American Mineralogist 56 (1971) 1155-1173 |
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Crystal structures of the humite minerals: III. Mg/Fe ordering in humite and its |
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relation to other ferromagnesian silicates |
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4.7408 10.2580 20.8526 90 90 90 Pbnm |
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atom x y z occ Biso |
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Mg1 .0017 .3773 .1767 .943 .50 |
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Fe1 .0017 .3773 .1767 .057 .50 |
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Mg2 .5108 .1540 .25 .943 .50 |
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Fe2 .5108 .1540 .25 .057 .50 |
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Mg3 .0087 .0976 .1092 .943 .50 |
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Fe3 .0087 .0976 .1092 .057 .50 |
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Mg4 .4925 .8665 .0278 .943 .50 |
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Fe4 .4925 .8665 .0278 .057 .50 |
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Si1 .0752 .9691 .25 .27 |
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Si2 .5765 .2819 .1059 .15 |
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O11 .7320 .9679 .25 .57 |
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O12 .2816 .3233 .25 .54 |
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O13 .2198 .0382 .1882 .47 |
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O21 .2368 .2827 .1048 .33 |
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O22 .7805 .9264 .1046 .52 |
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O23 .7225 .2141 .1686 .49 |
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O24 .7261 .2087 .0452 .35 |
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F .2621 .0328 .0357 .5 .59 |
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OH .2621 .0328 .0357 .5 .59 |
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