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Phlogopite |
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Scordari F, Schingaro E, Lacalamita M, Mesto E |
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American Mineralogist 97 (2012) 430-439 |
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Crystal chemistry of trioctahedral micas-2M_1 from |
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Bunyaruguru kamafugite (southwest Uganda) |
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Note: BU3_1 |
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Locality: southwest Uganda |
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_database_code_amcsd 0020820 |
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5.3273 9.2231 20.1964 90 95.121 90 C2/c |
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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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K 0 .08384 .25 .94 .0351 .0327 .0384 0 .0033 0 |
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Na 0 .08384 .25 .05 .0351 .0327 .0384 0 .0033 0 |
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Ba 0 .08384 .25 .01 .0351 .0327 .0384 0 .0033 0 |
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Mg1 .75 .25 0 .84 .0107 .0079 .0165 -.0020 .0019 -.0072 |
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Fe1 .75 .25 0 .14 .0107 .0079 .0165 -.0020 .0019 -.0072 |
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Cr1 .75 .25 0 .02 .0107 .0079 .0165 -.0020 .0019 -.0072 |
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Mg2 .24271 .08080 .00002 .695 .0175 .0096 .0147 -.0009 .0010 .0118 |
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Fe2 .24271 .08080 .00002 .10 .0175 .0096 .0147 -.0009 .0010 .0118 |
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Ti2 .24271 .08080 .00002 .16 .0175 .0096 .0147 -.0009 .0010 .0118 |
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Al2 .24271 .08080 .00002 .045 .0175 .0096 .0147 -.0009 .0010 .0118 |
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Si1 .46198 .24996 .13693 .0100 .0071 .0144 -.0001 .0015 .0014 |
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Si2 .96296 .41697 .13687 .455 .0117 .0080 .0143 .0000 .0013 .0021 |
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Al3 .96296 .41697 .13687 .51 .0117 .0080 .0143 .0000 .0013 .0021 |
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Fe3 .96296 .41697 .13687 .035 .0117 .0080 .0143 .0000 .0013 .0021 |
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O11 .7414 .3142 .16543 .0184 .0236 .0177 .0018 .0007 -.0060 |
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O21 .2412 .3526 .16592 .0191 .0217 .0179 -.0017 .0003 .0068 |
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O22 .4340 .0836 .16589 .0279 .0120 .0183 .0001 .0049 .0016 |
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O31 .4328 .2494 .05446 .0123 .0091 .0145 -.0004 .0015 .0044 |
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O32 .9366 .4174 .05442 .0122 .0092 .0142 -.0004 .0015 .0046 |
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O4 .9345 .0821 .05074 .88 .0163 .0106 .0130 -.0007 .0008 .0065 |
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H .945 .085 .088 .61 .0163 .0106 .0130 -.0007 .0008 .0065 |
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F .945 .085 .088 .01 .0163 .0106 .0130 -.0007 .0008 .0065 |
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