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Schmiederite |
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Effenberger H |
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Mineralogy and Petrology 36 (1987) 3-12 |
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Crystal structure and chemical formula of schmiederite, Pb2Cu2(OH)4(SeO3)(SeO4), |
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with a comparison to linarite PbCu(OH)2(SO4) |
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Locality: synthetic |
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9.922 5.712 9.396 90 101.96 90 P2_1/m |
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atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Pb1 .3120 .25 .4111 0 .0171 .0211 .0243 0 .0011 0 |
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Pb2 .3280 .25 .9668 0 .0161 .0330 .0529 0 .0010 0 |
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Cu -.0100 -.0007 .2438 0 .022 .013 .012 -.002 .002 .000 |
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Se1 .3500 .75 .2093 0 .017 .018 .020 0 .007 0 |
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Se2 .3347 .75 .6890 0 .011 .019 .016 0 .002 0 |
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O11 .365 .75 .034 .042 |
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O12 .246 .514 .210 .018 |
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O21 .500 .75 .755 .031 |
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O22 .316 .75 .506 .028 |
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O23 .264 .989 .732 .025 |
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OH1 .034 .75 .388 .007 |
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OH2 .077 .25 .378 .011 |
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OH3 .052 .75 .899 .009 |
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OH4 .089 .25 .893 .012 |
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