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Tschermakite |
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Abdu Y A, Hawthorne F C |
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The Canadian Mineralogist 47 (2009) 917-926 |
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Crystal structure and Mossbauer spectroscopy of tschermakite from the ruby |
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locality at Fiskenaesset, Greenland |
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Locality: Fiskenaesset, Greenland |
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_database_code_amcsd 0006297 |
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9.8059 17.9721 5.3012 90 105.063 90 C2/m |
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atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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NaA2 .5 -.028 0 .28 .024 |
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NaAm .521 0 .056 .13 .024 |
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KAm .521 0 .056 .05 .024 |
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MgM1 0 .08899 .5 .93 .0084 .0101 .0088 .0071 0 .0035 0 |
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FeM1 0 .08899 .5 .07 .0084 .0101 .0088 .0071 0 .0035 0 |
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MgM2 0 .1763 0 .48 .0063 .0066 .0067 .0059 0 .0020 0 |
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AlM2 0 .1763 0 .38 .0063 .0066 .0067 .0059 0 .0020 0 |
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CrM2 0 .1763 0 .10 .0063 .0066 .0067 .0059 0 .0020 0 |
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FeM2 0 .1763 0 .04 .0063 .0066 .0067 .0059 0 .0020 0 |
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MgM3 0 0 0 .84 .0076 .0088 .0067 .0070 0 .0016 0 |
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AlM3 0 0 0 .05 .0076 .0088 .0067 .0070 0 .0016 0 |
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FeM3 0 0 0 .11 .0076 .0088 .0067 .0070 0 .0016 0 |
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CaM4 0 .2794 .5 .90 .0125 .0133 .0137 .0121 0 .0064 0 |
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NaM4 0 .2794 .5 .03 .0125 .0133 .0137 .0121 0 .0064 0 |
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FeM4 0 .2794 .5 .07 .0125 .0133 .0137 .0121 0 .0064 0 |
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SiT1 .2811 .08569 .3017 .67 .0077 .0074 .0081 .0076 -.0010 .0019 -.0004 |
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AlT1 .2811 .08569 .3017 .33 .0077 .0074 .0081 .0076 -.0010 .0019 -.0004 |
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SiT2 .2914 .17326 .8136 .94 .0085 .0082 .0094 .0080 0 .0024 .0008 |
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AlT2 .2914 .17326 .8136 .06 .0085 .0082 .0094 .0080 0 .0024 .0008 |
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O1 .1066 .0894 .2136 .0119 .0101 .0167 .0092 -.0020 .0031 -.0010 |
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O2 .1189 .1736 .7357 .0106 .0073 .0125 .0113 .0004 .0015 .0014 |
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O3 .10999 0 .7146 .0113 .0105 .0125 .0112 0 .0032 0 |
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O4 .3684 .2510 .7918 .0134 .0155 .0119 .0144 -.0025 .0067 .0003 |
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O5 .35095 .1402 .1114 .0138 .0113 .0171 .0122 .0007 .0015 .0041 |
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O6 .3433 .1183 .6045 .0140 .0113 .0174 .0135 .0019 .0036 -.0046 |
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O7 .3368 0 .2809 .0173 .0147 .0150 .0219 0 .0041 0 |
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H .213 0 .782 .06 |
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View JMOL 3-D Structure (permalink)
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