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Ferrocerite-(La) |
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Pakhomovsky Y A, Men'shikov Y P, Yakovenchuk V N, Ivanyuk G Y, |
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Krivovichev S V, Burns P C |
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The Canadian Mineralogist 40 (2002) 1177-1184 |
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Cerite-(La), (La,Ce,Ca)9(Fe,Ca,Mg)(SiO4)3[SiO3(OH)]4(OH)3, a new mineral |
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from the Khibiny Alkaline Massif: Occurrence and crystal structure |
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Locality: Khibina alkaline massif, Kola Peninsula, Russia |
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_database_code_amcsd 0005786 |
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10.7493 10.7493 38.318 90 90 120 R3c |
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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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La(1) .25867 .13428 .068094 .47 .0139 .0160 .0150 .0120 .0086 .0000 -.0009 |
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Ce(1) .25867 .13428 .068094 .29 .0139 .0160 .0150 .0120 .0086 .0000 -.0009 |
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Ca(1) .25867 .13428 .068094 .15 .0139 .0160 .0150 .0120 .0086 .0000 -.0009 |
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Sr(1) .25867 .13428 .068094 .04 .0139 .0160 .0150 .0120 .0086 .0000 -.0009 |
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Nd(1) .25867 .13428 .068094 .02 .0139 .0160 .0150 .0120 .0086 .0000 -.0009 |
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Pr(1) .25867 .13428 .068094 .01 .0139 .0160 .0150 .0120 .0086 .0000 -.0009 |
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La(2) .14209 .26126 .43210 .47 .0195 .0164 .0269 .0183 .0131 .0036 .0087 |
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Ce(2) .14209 .26126 .43210 .29 .0195 .0164 .0269 .0183 .0131 .0036 .0087 |
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Ca(2) .14209 .26126 .43210 .15 .0195 .0164 .0269 .0183 .0131 .0036 .0087 |
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Sr(2) .14209 .26126 .43210 .04 .0195 .0164 .0269 .0183 .0131 .0036 .0087 |
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Nd(2) .14209 .26126 .43210 .02 .0195 .0164 .0269 .0183 .0131 .0036 .0087 |
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Pr(2) .14209 .26126 .43210 .01 .0195 .0164 .0269 .0183 .0131 .0036 .0087 |
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La(3) .25878 .13436 .17585 .47 .0187 .0229 .0184 .0184 .0130 -.0045 -.0048 |
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Ce(3) .25878 .13436 .17585 .29 .0187 .0229 .0184 .0184 .0130 -.0045 -.0048 |
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Ca(3) .25878 .13436 .17585 .15 .0187 .0229 .0184 .0184 .0130 -.0045 -.0048 |
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Sr(3) .25878 .13436 .17585 .04 .0187 .0229 .0184 .0184 .0130 -.0045 -.0048 |
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Nd(3) .25878 .13436 .17585 .02 .0187 .0229 .0184 .0184 .0130 -.0045 -.0048 |
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Pr(3) .25878 .13436 .17585 .01 .0187 .0229 .0184 .0184 .0130 -.0045 -.0048 |
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Si(1) .3184 .1485 .36239 .0129 .0073 .0160 .0140 .0051 -.0002 .0001 |
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O(1) .2562 .0915 .3228 .0330 .0280 .0560 .0110 .0180 -.0040 -.0120 |
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O(2) .2781 .0026 .3850 .0160 .0120 .0160 .0190 .0060 .0040 .0020 |
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O(3) .2625 .2513 .3784 .0200 .0150 .0200 .0220 .0060 .0070 .0050 |
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O(4) .0817 .1730 .0295 .0167 .0160 .0160 .0230 .0110 .0000 -.0030 |
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Si(2) .1504 .3257 .13689 .0173 .0150 .0234 .0126 .0089 -.0003 .0005 |
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O(5) .2448 .2711 .1162 .0240 .0220 .0310 .0220 .0150 .0010 -.0100 |
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O(6) -.0105 .2701 .1224 .0210 .0240 .0250 .0130 .0110 -.0030 .0000 |
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O(7) .1668 .0742 .4664 .0168 .0140 .0160 .0200 .0080 .0010 .0010 |
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O(8) .1375 .2815 .1782 .0212 .0240 .0230 .0120 .0080 -.0030 .0000 |
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FeM 0 0 -.00168 .32 .0137 .0135 .0135 .0140 .0068 0 0 |
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CaM 0 0 -.00168 .30 .0137 .0135 .0135 .0140 .0068 0 0 |
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MgM 0 0 -.00168 .23 .0137 .0135 .0135 .0140 .0068 0 0 |
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Si(3) 0 0 .2520 .90 .0125 .0111 .0111 .0150 .0055 0 0 |
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O(9) .1597 .0338 .2400 .0300 .0180 .0420 .0310 .0160 -.0040 -.0110 |
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OH(10) 0 0 .2961 .0100 |
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OH(11) 0 0 .0897 .0160 .0700 .0070 .0330 .0040 0 0 |
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OH(12) 0 0 .1600 .0210 .0120 .0120 .0390 .0060 0 0 |
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OH(13) 0 0 .4090 .0350 .0290 .0290 .0450 .0150 0 0 |
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Ca 0 0 .3092 .10 .0100 |
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