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Ribbeite |
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Freed R L, Rouse R C, Peacor D R |
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American Mineralogist 78 (1993) 190-194 |
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Ribbeite, a second example of edge-sharing silicate tetrahedra in the |
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leucophoenicite group |
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_database_code_amcsd 0001545 |
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10.732 15.672 4.811 90 90 90 Pnma |
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atom x y z occ Biso |
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Mn1 .86850 .14501 .49334 1.11 |
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Mn2 .59124 .25 .51449 1.11 |
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Mn3 .64402 .06127 -.00408 1.24 |
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Si1 .7779 .25 .0712 0.55 |
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Si2 .4613 .0448 .5835 .5 0.65 |
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O1 .4616 .0432 .2672 1.22 |
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O2 .7778 .25 .7381 0.73 |
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O3 .9179 .25 .2125 0.78 |
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O4 .7101 .1681 .2123 0.75 |
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O5 .5286 .1373 .7311 1.58 |
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O6 .3109 .0439 .7344 1.37 |
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H1 .555 .126 .569 .5 1.7 |
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H2 .345 .034 .600 .5 2.0 |
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