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Breyite |
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Brenker F E, Nestola F, Brenker L, Peruzzo L, Harris J W |
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American Mineralogist 106 (2021) 38-43 |
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Origin, properties, and structure of breyite: |
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The second most abundant mineral inclusion in super-deep diamonds |
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Locality: In a diamond from the Juina area, Mato Grosso State, Brazil |
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_database_code_amcsd 0020946 |
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6.6970 9.2986 6.6501 83.458 76.226 69.581 P-1 |
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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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Ca1 .75613 .00066 .73730 .0130 .0113 .0165 .0106 -.0040 -.0019 -.0003 |
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Ca2 .92091 .33567 .57443 .0122 .0107 .0177 .0092 -.0057 -.0022 -.0008 |
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Ca3 .27088 .35134 .91503 .0148 .0135 .0171 .0134 -.0053 -.0007 -.0028 |
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Si1 .47694 .30162 .45734 .0108 .0078 .0143 .0096 -.0027 -.0015 -.0010 |
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Si2 .72580 .01583 .22948 .0104 .0089 .0144 .0081 -.0042 -.0016 -.0003 |
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Si3 .83735 .29427 .10701 .0109 .0102 .0145 .0077 -.0044 -.0014 .0001 |
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O1 .2296 .4035 .5423 .0135 .0093 .0191 .0122 -.0042 -.0030 -.0009 |
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O2 .6104 .2645 .6402 .0136 .0104 .0192 .0112 -.0047 -.0026 -.0003 |
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O3 .4956 .1373 .3631 .0142 .0120 .0193 .0117 -.0068 .0004 -.0029 |
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O4 .6572 .9060 .1130 .0133 .0125 .0166 .0116 -.0050 -.0032 -.0015 |
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O5 .9002 .9397 .3721 .0124 .0114 .0135 .0107 -.0008 -.0037 -.0022 |
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O6 .8083 .1359 .0468 .0131 .0144 .0161 .0081 -.0049 -.0010 -.0015 |
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O7 .8796 .4068 .9134 .0132 .0161 .0169 .0083 -.0082 -.0024 .0014 |
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O8 .0282 .2571 .2320 .0134 .0133 .0190 .0083 -.0051 -.0041 .0007 |
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O9 .5976 .3856 .2552 .0144 .0122 .0137 .0122 -.0017 .0033 -.0010 |
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Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
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