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