American Mineralogist Crystal Structure Database

4 matching records for this search.

Calcioburbankite
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Belovitskaya Y V, Pekov I V, Gobechiya E R, Kabalov Y K, Subbotin V V
 
Crystallography Reports 46 (2001) 927-931
Crystal structure of calcioburbankite and the characteristic features of the
burbankite structure type
Locality: Vuoriyarvi, North Kareliya
_database_code_amcsd 0012373
10.4974 10.4974 6.4309 90 90 120 P6_3mc
atom     x     y    z  occ Biso
NaA  .5241 .4759 .317 .743  1.4
CaA  .5241 .4759 .317 .163  1.4
CeA  .5241 .4759 .317 .030  1.4
CeB  .8406 .1594    0 .116 1.01
LaB  .8406 .1594    0 .081 1.01
NdB  .8406 .1594    0 .033 1.01
BaB  .8406 .1594    0 .167 1.01
CaB  .8406 .1594    0 .316 1.01
SrB  .8406 .1594    0 .183 1.01
NaB  .8406 .1594    0 .146 1.01
C1    .797  .203  .55         5
C2       0     0  .88         1
C3     1/3   2/3  .49         2
O1    .376  .088 .633       1.1
O2    .926  .074 .344       1.8
O3   .4037 .5963 .476        .5
O4    .776  .224 .359       1.8
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Khanneshite
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Belovitskaya Y V, Pekov I V, Gobechiya E R, Kabalov Y K, Schneider J
 
Crystallography Reports 47 (2002) 39-42
Determination of the crystal structure of khanneshite by the Rietveld method
Locality: Khibiny massif, Kola Peninsula, Russia
_database_code_amcsd 0012375
10.5790 10.5790 6.5446 90 90 120 P6_3mc
atom     x     y    z occ Biso
NaA  .5246 .4754 .308 .86  1.1
CaA  .5246 .4754 .308 .14  1.1
SrB  .8403 .1597    0 .21  .85
BaB  .8403 .1597    0 .36  .85
CeB  .8403 .1597    0 .16  .85
LaB  .8403 .1597    0 .06  .85
NdB  .8403 .1597    0 .05  .85
PrB  .8403 .1597    0 .01  .85
CaB  .8403 .1597    0 .15  .85
C1    .799  .201 .541      1.4
C2       0     0 .838      1.0
C3     1/3   2/3  .50      3.0
O1    .379  .085 .629      1.6
O2    .928  .072 .344      3.7
O3    .405  .595 .486      1.9
O4    .774  .226 .359      2.4
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Ancylite-(Ce)
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Belovitskaya Y V, Pekov I V, Gobechiya E R, Yamnova N A, Kabalov Y K,
Chukanov N V, Schneider J
 
Crystallography Reports 47 (2002) 223-228
Crystal structures of two ancylite modifications
Locality: Lovchorrite Mine, Hackman Velley, Khibiny massif, Kola Peninsula, Russia
Sample: Specimen 52
_database_code_amcsd 0012378
5.0634 8.5898 7.2781 90 90 90 Pmc2_1
atom     x     y     z occ Biso
SrM1     0 .0977 .6437 .97  .48
CaM1     0 .0977 .6437 .02  .48
BaM1     0 .0977 .6437 .01  .48
CeM2    .5 .5897 .8475 .52  .66
LaM2    .5 .5897 .8475 .28  .66
NdM2    .5 .5897 .8475 .11  .66
PrM2    .5 .5897 .8475 .04  .66
SmM2    .5 .5897 .8475 .01  .66
C1       0  .554  .191      1.9
C2      .5  .056  .308      1.8
O11      0  .418  .271      2.1
O12     .5  .919  .244      1.4
O21   .277  .122  .352      1.3
O22   .223  .617  .151      1.5
Wat31    0  .204  .992  .9  1.4
OH32    .5  .660  .516 .83  1.0
F32     .5  .660  .516 .13  1.0
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Ancylite-(Ce)
Download hom/ancylitece.pdf
Belovitskaya Y V, Pekov I V, Gobechiya E R, Yamnova N A, Kabalov Y K,
Chukanov N V, Schneider J
 
Crystallography Reports 47 (2002) 223-228
Crystal structures of two ancylite modifications
Locality: Tulilukht Bay, Khibiny massif, Kola Peninsula, Russia
Sample: Specimen 54
_database_code_amcsd 0012379
5.0577 8.5665 7.3151 90 90 90 Pmcn
atom     x     y     z  occ Biso
SrM    .25 .3409 .6482  .40  .96
CaM    .25 .3409 .6482 .025  .96
BaM    .25 .3409 .6482 .005  .96
CeM    .25 .3409 .6482  .31  .96
LaM    .25 .3409 .6482  .20  .96
NdM    .25 .3409 .6482 .045  .96
PrM    .25 .3409 .6482 .015  .96
C      .75 .1961 .8154       3.7
O1     .75 .3286 .7336       2.7
O2   .5266 .1223 .8525       1.2
OH3    .25 .4183 .9736 .425  2.7
F3     .25 .4183 .9736 .075  2.7
Wat3   .25 .4183 .9736   .5  2.7
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Total number of retrieved datasets: 4
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