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Joosteite |
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Keller P, Lissner F, Schleid T |
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Neues Jahrbuch fur Mineralogie, Abhandlungen 184 (2007) 225-230 |
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The crystal structure of joosteite, (Mn2+,Mn3+,Fe3+)2[PO4]O, from the Helikon II mine, |
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Karibib (Namibia), and its relationship to stanekite, (Fe3+,Mn2+,Fe2+,Mg)2[PO4]O |
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Note: M1 and M2 Fe/Mn occupancies not determined, below are estimates |
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Locality: Helikon II mine, Karibib, Namibia |
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11.888 6.409 9.804 90 106.17 90 I2/a |
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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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MnM1 .20305 .00704 .19432 .793 .0342 .0272 .0455 .0261 .0012 .0013 .0030 |
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FeM1 .20305 .00704 .19432 .159 .0342 .0272 .0455 .0261 .0012 .0013 .0030 |
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MnM2 .11156 .14042 .45274 .643 .0321 .0398 .0262 .0242 -.0001 -.0014 -.0003 |
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FeM2 .11156 .14042 .45274 .321 .0321 .0398 .0262 .0242 -.0001 -.0014 -.0003 |
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P .07267 .65914 .37803 .0271 .0258 .0237 .0255 -.0001 .0029 .0004 |
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O1 .0507 .8358 .4719 .0398 .0571 .0309 .0284 .0017 .0069 -.0041 |
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O2 .9593 .6086 .2631 .0326 .0298 .0377 .0269 -.0013 .0024 .0029 |
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O3 .1682 .7170 .3099 .0432 .0341 .0519 .0444 -.0042 .0124 .0066 |
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O4 .1140 .4688 .4730 .0353 .0321 .0344 .0368 .0046 .0055 .0060 |
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O5 .2653 .1559 .3762 .0522 .0499 .0541 .0398 .0134 -.0085 -.0142 |
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