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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_6 |
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Locality: southwest Uganda |
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_database_code_amcsd 0020822 |
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5.3252 9.2246 20.1908 90 95.086 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 .08381 .25 .93 .0324 .0320 .0344 0 .0029 0 |
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Na 0 .08381 .25 .04 .0324 .0320 .0344 0 .0029 0 |
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Ba 0 .08381 .25 .01 .0324 .0320 .0344 0 .0029 0 |
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Mg1 .75 .25 0 .81 .0077 .0071 .0136 -.0005 .0017 -.0017 |
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Fe1 .75 .25 0 .17 .0077 .0071 .0136 -.0005 .0017 -.0017 |
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Cr1 .75 .25 0 .02 .0077 .0071 .0136 -.0005 .0017 -.0017 |
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Mg2 .24315 .08098 .00000 .71 .0132 .0085 .0118 .0010 .00090 .0026 |
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Fe2 .24315 .08098 .00000 .08 .0132 .0085 .0118 .0010 .00090 .0026 |
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Ti2 .24315 .08098 .00000 .16 .0132 .0085 .0118 .0010 .00090 .0026 |
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Al2 .24315 .08098 .00000 .045 .0132 .0085 .0118 .0010 .00090 .0026 |
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Si1 .46198 .25002 .13689 .00767 .00704 .0110 -.0002 .00098 -.00022 |
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Si2 .96289 .41689 .13688 .455 .00819 .00765 .01085 -.0003 .00097 -.0005 |
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Al3 .96289 .41689 .13688 .515 .00819 .00765 .01085 -.0003 .00097 -.0005 |
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Fe3 .96289 .41689 .13688 .035 .00819 .00765 .01085 -.0003 .00097 -.0005 |
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O11 .7412 .3144 .16533 .0164 .0230 .0137 .0021 .0001 -.0062 |
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O21 .2411 .3524 .16596 .0157 .0222 .0150 -.0021 -.0003 .0061 |
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O22 .4342 .0834 .16587 .0268 .0117 .0147 .0001 .0041 .0007 |
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O31 .4326 .25702 .05436 .0091 .0042 .0108 -.0015 .0013 .0005 |
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O32 .9364 .42469 .05438 .0089 .0030 .0107 -.0012 .0013 -.0003 |
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O4 .9348 .0903 .05094 .87 .0116 .0059 .0112 .0034 .0009 .0008 |
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H .939 .077 .095 .62 .0116 .0059 .0112 .0034 .0009 .0008 |
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F .939 .077 .095 .01 .0116 .0059 .0112 .0034 .0009 .0008 |
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