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Wherryite |
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Cooper M A, Hawthorne F C |
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The Canadian Mineralogist 32 (1994) 373-380 |
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The crystal structure of wherryite, Pb7Cu2(SO4)4(SiO4)2(OH)2, a mixed |
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sulfate-silicate with [M(TO4)2] chains |
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Locality: Mammoth-St Anthony mine, Tiger, Pinal County, Arizona, USA |
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_database_code_amcsd 0005365 |
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20.789 5.787 9.142 90 91.24 90 C2/m |
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atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Pb1 .1434 0 .2632 .029 .026 .026 0 .004 0 |
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Pb2 .4739 0 .7061 .028 .031 .021 0 .001 0 |
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Pb3 .3419 0 .3212 .028 .036 .028 0 -.001 0 |
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Pb4 0 0 0 .037 .028 .030 0 -.004 0 |
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Cu .25 .25 0 .025 .021 .022 .002 .003 0 |
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S1 .2668 0 .6575 .027 .019 .017 0 .004 0 |
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S2 .4318 .5 .3475 .021 .021 .020 0 .003 0 |
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Si .3960 0 -.0089 .028 .023 .026 0 .005 0 |
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O1 .3192 0 .030 .027 .017 .038 0 .009 0 |
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O2 .3356 0 .615 .041 .032 .032 0 .014 0 |
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O3 .4173 .216 -.110 .032 .025 .015 .005 .005 0 |
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O4 .2235 0 .531 .033 .040 .025 0 -.009 0 |
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O5 .3850 .5 .222 .036 .044 .024 0 -.005 0 |
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O6 .4351 0 .148 .043 .028 .026 0 .007 0 |
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O7 .2576 .206 -.251 .038 .036 .019 0 .007 -.001 |
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O8 .4236 .293 .438 .040 .062 .033 -.006 -.002 .009 |
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O9 .5036 .5 -.285 .019 .054 .056 0 .003 0 |
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O10 .3091 .5 -.029 .025 .030 .021 0 -.005 0 |
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View JMOL 3-D Structure (permalink) |
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