Spurrite
Grice J D
The Canadian Mineralogist 43 (2005) 1489-1500
The structure of spurrite, tilleyite and scawtite,
and relationships to other silicate-carbonate minerals
Locality: Cornet Hill, Apuseni Mountains, Romania
_database_code_amcsd 0006059
10.484 6.712 14.156 90 101.27 90 P2_1/a
atom      x      y      z  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3)  U(2,3)
Ca1  .14005 .66295 .07182 .0101  .0090  .0065  .0140  .0001 -.0001  -.0014
Ca2  .03225 .24170 .61152 .0114  .0109  .0121  .0107 -.0050  .0006   .0004
Ca3  .23999 .05991 .45584 .0092  .0058  .0060  .0159  .0001  .0021   .0002
Ca4  .04556 .99104 .83065 .0086  .0068  .0067  .0119  .0009  .0009  -.0002
Ca5  .13164 .50700 .82619 .0084  .0069  .0063  .0116  .0005  .0011  -.0005
Si1  .13420  .2241 .05667 .0065  .0047  .0044  .0100  -.000  .0005   .0001
Si2  .02636  .7494 .60459 .0062  .0049  .0043  .0092  .0003  .0005  -.0000
C     .1891  .6990  .2804 .0090   .007   .007   .013 -.0013  .0014   .0002
O1    .1235 .24165  .9404 .0107  .0133  .0078  .0111 -.0005  .0022   .0001
O2    .1401  .9973  .0970 .0097  .0093  .0059  .0141 -.0000  .0031   .0010
O3    .0079  .3372  .0836 .0111  .0093  .0094  .0152  .0027  .0035  -.0008
O4    .2671  .3326  .1078 .0142  .0079  .0118  .0208 -.0043 -.0019   .0007
O5    .8843  .1530  .4662 .0106  .0068  .0108  .0143 -.0002  .0024   .0031
O6    .8907  .4305  .3346 .0105  .0102  .0074  .0132  .0017  .0008   .0028
O7    .0227  .0774  .3300 .0109  .0111  .0074  .0142  .0012  .0025  -.0024
O8    .1006  .3383  .4690 .0101  .0067  .0102  .0130 -.0011  .0010  -.0020
O9    .2858  .6966  .2354 .0111  .0082  .0104  .0149 -.0001  .0030  -.0002
O10   .0713  .6899  .2304 .0113  .0062  .0110  .0154 -.0003 -.0012   .0005
O11   .2088  .7183  .3710 .0135  .0141  .0137  .0127  .0002  .0023  -.0006