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Amesite |
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Anderson C S, Bailey S W |
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American Mineralogist 66 (1981) 185-195 |
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A new cation ordering pattern in amesite-2H2 |
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Locality: Saranovskoye chromite deposit, North Urals Mountains, USSR |
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5.307 9.195 14.067 90.1 90.3 90 C1 |
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atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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Si1 0 0 .0410 .513 0.0136 0.0035 0.0014 0.0013 0.0003 -.0001 |
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Al1 0 0 .0410 .486 0.0136 0.0035 0.0014 0.0013 0.0003 -.0001 |
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Si2 .0023 .3339 .0425 .513 0.0122 0.0031 0.0016 0.0008 0.0005 -.0002 |
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Al2 .0023 .3339 .0425 .486 0.0122 0.0031 0.0016 0.0008 0.0005 -.0002 |
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Si11 .0136 .0058 .5410 .513 0.0137 0.0031 0.0016 0.0012 0.0003 -.0001 |
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Al11 .0136 .0058 .5410 .486 0.0137 0.0031 0.0016 0.0012 0.0003 -.0001 |
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Si22 .5073 .1709 .5424 .513 0.0139 0.0032 0.0013 0.0006 0.0001 -.0001 |
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Al22 .5073 .1909 .5024 .486 0.0139 0.0032 0.0013 0.0006 0.0001 -.0001 |
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Mg1 .1695 .1683 .2377 .654 0.0115 0.0032 0.0015 0.0004 0.0005 0.0000 |
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Al1 .1695 .1683 .2377 .339 0.0115 0.0032 0.0015 0.0004 0.0005 0.0000 |
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Mg2 .6698 -.0031 .2374 .654 0.0135 0.0039 0.0018 0.0008 0.0002 -.0001 |
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Al2 .6698 -.0031 .2374 .339 0.0135 0.0039 0.0018 0.0008 0.0002 -.0001 |
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Mg3 .6763 .3335 .2377 .654 0.0116 0.0031 0.0015 0.0010 0.0003 -.0002 |
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Al3 .6763 .3335 .2377 .339 0.0116 0.0031 0.0015 0.0010 0.0003 -.0002 |
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Mg11 .3434 .3400 .7380 .654 0.0125 0.0031 0.0016 0.0008 0.0001 -.0003 |
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Al11 .3434 .3400 .7380 .339 0.0125 0.0031 0.0016 0.0008 0.0001 -.0003 |
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Mg22 .3433 .0115 .7367 .654 0.0132 0.0030 0.0015 0.0004 0.0002 0.0000 |
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Al22 .3433 .0115 .7367 .339 0.0132 0.0030 0.0015 0.0004 0.0002 0.0000 |
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Mg33 .8372 .1750 .7381 .654 0.0130 0.0032 0.0016 0.0012 0.0002 -.0001 |
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Al33 .8372 .1750 .7381 .339 0.0130 0.0032 0.0016 0.0012 0.0002 -.0001 |
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O1 -.0047 -.0019 .1585 0.0220 0.0059 0.0014 0.0020 -.0002 -.0002 |
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O2 .0066 .3351 .1659 0.0150 0.0040 0.0016 0.0015 0.0001 0.0000 |
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O3 .9768 .1603 .0025 0.0180 0.0037 0.0022 0.0008 0.0009 -.0004 |
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O4 .7228 -.0422 .0005 0.0140 0.0048 0.0022 0.0000 0.0001 0.0003 |
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O5 .7027 .3827 .0023 0.0130 0.0036 0.0022 0.0016 -.0002 -.0003 |
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O11 .0274 .0092 .6582 0.0160 0.0044 0.0014 0.0013 0.0004 0.0001 |
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O22 .4979 .1657 .6659 0.0150 0.0040 0.0015 0.0002 0.0003 -.0001 |
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O33 .2862 .0478 .4983 0.0140 0.0044 0.0022 0.0007 0.0001 -.0010 |
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O44 .4330 .3447 .5036 0.0180 0.0036 0.0021 0.0018 -.0010 0.0002 |
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O55 .8071 .1229 .5031 0.0150 0.0039 0.0022 0.0024 0.0009 0.0000 |
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Oh1 .5071 .1607 .1656 0.0250 0.0078 0.0014 0.0000 0.0005 -.0003 |
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Oh2 .3447 .0004 .3062 0.0230 0.0066 0.0015 -.0033 0.0010 -.0004 |
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Oh3 .3388 .3373 .3071 0.0240 0.0042 0.0015 0.0014 0.0000 0.0002 |
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Oh4 .8345 .1594 .3067 0.0140 0.0101 0.0014 0.0027 0.0009 0.0005 |
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Oh11 -.0009 .3523 .6659 0.0200 0.0051 0.0014 0.0014 0.0001 0.0002 |
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Oh22 .6859 .3562 .8057 0.0160 0.0051 0.0016 0.0003 0.0005 -.0006 |
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Oh33 .6573 .0078 .8074 0.0180 0.0042 0.0015 0.0003 -.0001 0.0002 |
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Oh44 .1815 .1651 .8070 0.0210 0.0042 0.0014 0.0020 0.0005 0.0004 |
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H1 .507 .156 .104 2. |
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H2 .304 .037 .365 2. |
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H3 .362 .346 .365 2. |
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H4 .818 .133 .368 2. |
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H11 .982 .387 .624 2. |
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H22 .689 .382 .869 2. |
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H33 .677 .962 .863 2. |
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H44 .145 .151 .871 2. |
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