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Jahnsite-(CaMnMg) |
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Moore P B, Araki T |
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American Mineralogist 59 (1974) 964-973 |
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Jahnsite, CaMnMg2(H2O)8Fe2(OH)2[PO4]4: A novel stereoisomerism of |
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ligands about octahedral corner-chains |
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Locality: Tip Top mine, Custer Country, South Dakota, USA |
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14.94 7.14 9.93 90 110.16 90 P2/a |
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atom x y z Biso |
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Ca .25 -.0249 0 1.69 |
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Mn .25 .4775 0 1.12 |
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Mg1 .5 0 .5 1.21 |
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Mg2 .25 .4963 .5 0.96 |
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Fe1 0 0 0 1.58 |
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Fe2 0 .5 0 1.70 |
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P1 .1830 .2615 .1881 .92 |
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P2 .0813 .7476 .7978 .87 |
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O1 .2758 .2345 .1512 1.83 |
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O2 .2041 .2956 .3462 1.65 |
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O3 .1229 .0827 .1399 1.57 |
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O4 .1369 .4352 .0941 1.15 |
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O5 .1890 .6984 .8553 1.52 |
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O6 .0497 .7802 .6381 1.47 |
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O7 .0747 .9293 .8791 1.29 |
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O8 .0245 .5881 .8314 1.29 |
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OH .0256 .7509 .0935 1.06 |
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Wat1 .2231 .7185 .3445 2.09 |
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Wat2 .4497 .2130 .3452 2.37 |
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Wat3 .6307 -.0066 .4629 2.18 |
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Wat4 .3917 .5131 .5115 1.72 |
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