American Mineralogist Crystal Structure Database

3 matching records for this search.

Clinokurchatovite
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Callegari A, Mazzi F, Tadini C
 
European Journal of Mineralogy 15 (2003) 277-282
Modular aspects of the crystal structures of kurchatovite and clinokurchatovite
Locality: Sayak, Kazackhstan
_database_code_amcsd 0006974
12.329 11.146 5.519 90 101.62 90 P2_1/c
atom      x      y      z Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca1  .08978 .87289 .15611  .62  .0072  .0072  .0091  .0008  .0019  .0006
Ca2  .40702 .11837 .86805  .64  .0067  .0077  .0095  .0006  .0006 -.0011
Mg1   .2373  .1279  .2478  .51  .0063  .0071  .0061 -.0002  .0017  .0000
Mg2   .2643  .8721  .7546  .51  .0059  .0073  .0064 -.0002  .0013  .0001
B1    .1739  .1246  .7014  .54  .0060  .0081  .0064 -.0004  .0012  .0016
B2    .3273  .8835  .2891  .55  .0071  .0075  .0061  .0009  .0012 -.0016
B3    .0105  .1195  .3531  .57  .0058  .0068  .0092 -.0001  .0018 -.0013
B4    .4913  .8757  .6263  .54  .0059  .0069  .0072 -.0009 -.0003  .0007
O1    .2179  .1975  .8926  .67  .0089  .0082  .0081 -.0016  .0013 -.0009
O2    .2688  .8045  .4026  .62  .0083  .0082  .0072 -.0022  .0019  .0005
O3    .2392  .0495  .5969  .65  .0095  .0085  .0072  .0011  .0026  .0001
O4    .2748 -.0444  .1015  .60  .0083  .0089  .0054  .0018  .0006  .0002
O5    .0576  .1278  .6089  .73  .0068  .0142  .0068  .0005  .0013 -.0026
O6    .4431  .8898  .3707  .72  .0056  .0159  .0054 -.0003  .0000  .0012
O7    .0692  .0821  .1837  .61  .0071  .0090  .0073  .0006  .0022 -.0012
O8    .4337 -.0936  .8033  .61  .0058  .0108  .0067  .0007  .0016 -.0006
O9    .0956  .8412  .7142  .70  .0052  .0091  .0120  .0013  .0006 -.0004
O10   .4045  .1694  .3183  .72  .0052  .0091  .0125  .0007  .0005 -.0004
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Clinokurchatovite
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Yakubovich O V, Yamnova N A, Shchedrin B M, Simonov M A, Belov N V
 
Soviet Physics Doklady 21 (1976) 294-295
Crystal structure of magnesium kurchatovite CaMg[B2O5]
Locality: Siberia, Russia
_database_code_amcsd 0015602
12.331 5.489 11.092 90 90 78.42 P2_1/b
atom      x     y     z Biso B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Ca1   .5899 .3431 .3729  .58 .00114 .00539 .00097 -.00042  .00007 -.00021
Ca2   .0929 .3679 .3816  .61 .00104 .00555 .00103 -.00002  .00008  .00028
Mg1   .2629 .2475 .1278  .23 .00047 .00166 .00041 -.00003 -.00002  .00006
Mg2   .7643 .2459 .1278  .30 .00064 .00204 .00058 -.00013  .00002 -.00017
B1    .8271 .2101 .3833  .63 .00159 .00362 .00118 -.00035  .00023  .00063
B2    .3256 .2013 .3752  .63 .00139 .00407 .00129 -.00051 -.00006 -.00047
B3   -.0092 .3729 .1237  .63 .00132 .00509 .00109 -.00018  .00008  .00038
B4    .4894 .3521 .1198  .65 .00106 .00644 .00110 -.00051  .00008  .00010
O1    .4424 .1099 .3716  .68 .00087 .00427 .00195 -.00024  .00009  .00056
O2    .9432 .1308 .3906  .65 .00098 .00435 .00200 -.00015 -.00004 -.00054
O3    .4305 .1833 .0824  .59 .00099 .00457 .00127 -.00020 -.00005 -.00051
O4    .0949 .3187 .1692  .76 .00097 .00816 .00126  .00003 -.00016 -.00036
O5    .9332 .1971 .0941  .62 .00130 .00473 .00116 -.00044  .00005 -.00054
O6    .7739 .3992 .4557  .58 .00113 .00412 .00116  .00013 -.00007  .00025
O7    .7686 .0961 .3003  .59 .00109 .00470 .00117 -.00048 -.00013  .00019
O8    .2813 .3936 .3016  .58 .00128 .00346 .00117 -.00010 -.00019  .00016
O9    .2602 .0961 .4503  .55 .00105 .00423 .00121 -.00038  .00023 -.00009
O10   .5954 .2873 .1585  .73 .00098 .00787 .00124 -.00004 -.00010 -.00024
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Clinokurchatovite
Download hom/clinokurchatovite.pdf
Simonov M A, Egorov-Tismenko Y K, Yamnova M A, Belokoneva E L, Belov N V
 
Soviet Physics Doklady 25 (1980) 1125-1128
Crystal structure of natural monoclinic kurchatovite
Ca2(Mg0.86Fe0.14)(Mg0.92Fe0.08)[B2O5]2
_database_code_amcsd 0015608
12.45 5.514 11.145 90 90 104.13 P2_1/b
atom      x      y      z occ Biso
Ca1  .58981 .93362 .37295       .6
Ca2  .09302 .46114 .38168      .63
Mg1  .26278  .5108 .12778 .86  .31
Fe1  .26278  .5108 .12778 .14  .31
Mg2  .76430  .0096 .12796 .92  .28
Fe2  .76430  .0096 .12796 .08  .28
B1    .8272  .0384  .3833      .58
B2    .3263  .5284  .3758       .6
B3    .9913  .3647  .1243      .63
B4    .4892  .8412  .1199       .6
O1    .4422  .5513  .3721      .75
O2    .9433  .0723  .3902      .71
O3    .4307  .6151  .0817      .68
O4    .0953  .4133  .1696      .76
O5    .9338  .1314  .0932      .69
O6    .7750  .1730  .4555      .73
O7    .7690  .8664  .3047      .68
O8    .2822  .6744  .3023      .67
O9    .2605  .3580  .4503      .69
O10   .5956  .8817  .1592      .74
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View JMOL 3-D Structure (permalink)
 
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Total number of retrieved datasets: 3
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