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Steedeite |
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Haring M M M, McDonald A M |
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The Canadian Mineralogist 52 (2014) 47-60 |
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Steedeite, NaMn2[Si3BO9](OH)2: characterization, crystal-structure determination, and origin |
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Locality: Poudrette quarry, Monteregie, Quebec, Canada |
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_database_code_amcsd 0020229 |
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6.837 7.575 8.841 99.91 102.19 102.78 P-1 |
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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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Na -.1247 .64118 .81008 .0199 .0315 .0176 .0158 .0123 .0101 .0050 |
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Mn1 .12800 .87518 .60727 .95 .00946 .0091 .0101 .0085 .00222 .00180 .00136 |
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Fe1 .12800 .87518 .60727 .05 .00946 .0091 .0101 .0085 .00222 .00180 .00136 |
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Mn2 -.38639 .86495 .59872 .95 .01037 .0100 .0098 .0104 .00331 .00130 .00088 |
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Fe2 -.38639 .86495 .59872 .05 .01037 .0100 .0098 .0104 .00331 .00130 .00088 |
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Si1 -.27055 .52647 .38313 .0076 .0076 .0062 .0083 .0016 .0018 .0008 |
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Si2 -.53952 .74187 .21311 .0080 .0062 .0078 .0090 .0018 .0012 .0001 |
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Si3 .01582 .73835 .22546 .0071 .0065 .0076 .0066 .0018 .0015 .0007 |
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B -.2798 .8757 .0291 .0057 .0043 .0074 .0046 .0020 .0008 -.0011 |
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O1 .4415 .0798 .6388 .0101 .0103 .0086 .0095 .0017 .0012 .0000 |
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O2 -.1887 .6853 .5474 .0104 .0110 .0090 .0099 .0021 .0023 .0003 |
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O3 -.4806 .7830 .0524 .0140 .0111 .0160 .0128 .0004 .0053 -.0005 |
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O4 .0839 .9205 .3686 .0101 .0119 .0088 .0085 .0022 .0021 .0002 |
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O5 -.1274 .7708 .0698 .0135 .0144 .0162 .0097 .0087 -.0005 .0009 |
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O6 .3217 .6841 .5976 .0110 .0100 .0080 .0155 .0021 .0042 .0034 |
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O7 -.0939 .5540 .2805 .0117 .0133 .0095 .0136 .0022 .0072 .0028 |
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O8 -.7925 .6785 .1678 .0109 .0067 .0125 .0124 .0028 .0024 .0000 |
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O9 -.4764 .5622 .2688 .0133 .0116 .0095 .0161 .0041 -.0022 .0011 |
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OOH10 .1985 .9290 .8689 .0127 .0134 .0118 .0123 .0037 .0020 .0021 |
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OOH11 -.3053 .8805 .8609 .0244 .0424 .0320 .0092 .0259 .0091 .0084 |
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H1 .287 .855 .914 .053 |
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H2 -.417 .766 .84 .39 |
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