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Chamosite |
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Walker J R, Bish D L |
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Clays and Clay Minerals 40 (1992) 319-322 |
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Application of Rietveld refinement techniques to a disordered IIb Mg-chamosite |
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Locality: Lebanon, New Hampshire, USA |
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_database_code_amcsd 0012235 |
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5.36982 9.3031 14.2610 90.315 97.234 90.022 C-1 |
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atom x y z occ Uiso |
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MgM1 0 0 0 .538 .002 |
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FeM1 0 0 0 .462 .002 |
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MgM2 .0141 .3348 .0027 .496 .002 |
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FeM2 .0141 .3348 .0027 .504 .002 |
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MgM3 .0032 .1683 .5004 .494 .002 |
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FeM3 .0032 .1683 .5004 .506 .002 |
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AlM4 0 .5 .5 .003 |
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SiT1 .24 .170 .1941 .95 .001 |
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AlT1 .24 .170 .1941 .05 .001 |
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SiT2 .73 .998 .1945 .95 .001 |
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AlT2 .73 .998 .1945 .05 .001 |
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O1 .191 .1635 .0789 .011 |
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O2 .705 .998 .0756 .011 |
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O3 .231 .336 .2374 .011 |
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O4 .528 .118 .2302 .011 |
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OH5 .018 .061 .2306 .011 |
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OH6 .689 .3312 .0742 .011 |
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OH7 .144 .9990 .4300 .011 |
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OH8 .143 .3361 .4286 .011 |
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OH9 .643 .1627 .4311 .011 |
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