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Dolomite |
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Miser D E, Swinnea J S, Steinfink H |
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American Mineralogist 72 (1987) 188-193 |
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TEM observations and X-ray crystal-structure refinement of a twinned dolomite |
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with a modulated microstructure |
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_database_code_amcsd 0001065 |
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4.811 4.811 16.047 90 90 120 R-3 |
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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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Ca 0 0 0 .0108 .0108 .0113 .0054 0 0 |
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Mg 0 0 .5 .0069 .0069 .0098 .00345 0 0 |
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C 0 0 .2430 .0099 .0099 .0080 .00495 0 0 |
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O .2476 .9650 .2441 .0096 .0140 .0167 .0072 -.0023 -.0030 |
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Enstatite |
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Carlson W D, Swinnea J S, Miser D E |
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American Mineralogist 73 (1988) 1255-1263 |
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Stability of orthoenstatite at high temperature and low pressure |
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_database_code_amcsd 0001201 |
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18.280 8.834 5.197 90 90 90 Pbca |
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atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Mg1 .3756 .6539 .8684 .0068 .0071 .0064 .0003 -.0011 .0002 |
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Mg2 .3769 .4846 .3627 .948 .0093 .0132 .0074 -.0021 -.0019 -.0017 |
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Ca2 .3769 .4846 .3627 .052 .0093 .0132 .0074 -.0021 -.0019 -.0017 |
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SiA .2715 .3416 .0495 .0049 .0053 .0061 -.0006 .0005 -.0004 |
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SiB .4741 .3379 .7967 .0052 .0060 .0059 .0006 .0002 .0002 |
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O1A .1834 .3399 .0371 .0049 .0082 .0062 -.0001 .0001 -.0005 |
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O2A .3107 .5019 .0435 .0085 .0075 .0073 -.0016 -.0010 .0011 |
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O3A .3027 .2249 -.1714 .0075 .0103 .0089 -.0005 .0016 -.0044 |
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O1B .5627 .3403 .7981 .0052 .0089 .0073 -.0001 -.0012 .0001 |
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O2B .4335 .4844 .6933 .0103 .0098 .0099 .0033 .0015 .0030 |
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O3B .4478 .1986 .5988 .0082 .0114 .0090 -.0003 -.0004 -.0028 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
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