Ancylite-(Ce)
dal Negro A, Rossi G, Tazzoli V
American Mineralogist 60 (1975) 280-284
The crystal structure of ancylite, (RE)x(Ca,Sr)2-x(CO3)2(OH)x(2-x)H2O
Locality: Mont St. Hilaire, Quebec, Canada
_database_code_amcsd 0000454
5.03 8.52 7.29 90 90 90 Pmcn
atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Ce .25 .3399 .6476 .41 .80 .0083 .0025 .0039 0 0 -.0002
La .25 .3399 .6476 .28 .80 .0083 .0025 .0039 0 0 -.0002
Sr .25 .3399 .6476 .20 .80 .0083 .0025 .0039 0 0 -.0002
Ca .25 .3399 .6476 .11 .80 .0083 .0025 .0039 0 0 -.0002
C .75 .1905 .8099 .79 .0083 .0011 .0056 0 0 .0011
O1 .75 .3181 .7210 1.81 .0160 .0052 .0108 0 0 .0037
O2 .5297 .1218 .8520 1.55 .0123 .0055 .0085 -.0017 .0008 .0006
OH3 .25 .4135 .9749 .69 2.43 .0318 .0093 .0063 0 0 .0038
Wat3 .25 .4135 .9749 .31 2.43 .0318 .0093 .0063 0 0 .0038
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Ancylite-(Ce)
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)
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
Download AMC data (View Text File )Download CIF data (View Text File )Download diffraction data (View Text File )View JMOL 3-D Structure (permalink )
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