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Ameghinite |
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Dal Negro A, Pozas J M M, Ungaretti L |
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American Mineralogist 60 (1975) 879-883 |
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The crystal structure of ameghinite |
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18.428 9.882 6.326 90 104.4 90 C2/c |
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atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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Na .1730 .2380 .1032 1.64 .001116 .004941 .012686 .000552 .001618 .000376 |
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B1 .3412 .1716 .4414 1.07 .000536 .001950 .010988 -.000005 .000404 .000198 |
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B2 .4028 .3987 .4959 1.14 .000951 .002962 .007124 .000103 .000711 .000736 |
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B3 .4778 .1994 .4828 1.12 .000787 .003442 .008111 -.000288 .001092 -.000706 |
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Oh1 .5494 .1575 .4964 1.62 .000743 .002784 .019029 .000227 .001168 .001012 |
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Oh2 .3011 .1606 .2150 1.29 .000868 .003478 .008704 -.000177 .000537 .000544 |
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Oh3 .3058 .1016 .5929 1.35 .000900 .003118 .010390 -.000377 .000438 .000255 |
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Oh4 .3986 .5352 .5164 1.61 .000938 .002670 .019167 .000386 .001814 .003202 |
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O5 .4701 .3401 .4812 1.48 .000684 .002293 .016263 .000074 .000460 .001292 |
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O6 .3437 .3196 .4990 1.50 .000715 .002336 .016074 .000090 .000348 -.000606 |
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O7 .4194 .1177 .4800 1.26 .000728 .002385 .013890 .000212 .001224 .001776 |
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H1 .561 .059 .505 3.0 |
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H2 .303 .065 .171 3.0 |
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H3 .252 .130 .560 3.0 |
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H4 .447 .581 .517 3.0 |
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