American Mineralogist Crystal Structure Database

4 matching records for this search.

Londonite
Download hom/londonite.pdf
Gatta G D, Vignola P, McIntyre G J, Diella V
Download am/vol95/AM95_1467.pdf
American Mineralogist 95 (2010) 1467-1472
On the crystal chemistry of londonite [(Cs,K,Rb)Al4Be5B11O28]:
a single-crystal neutron diffraction study at 300 and 20 K
Locality: Antsongombato Gem mine, Betafo district, Madagascar
Note: neutron diffraction study at T = 300 K
_database_code_amcsd 0017717
7.3098 7.3098 7.3098 90 90 90 P-43m
atom      x      y      z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Cs        0      0      0 .34  .023
K         0      0      0 .34  .023
Rb        0      0      0 .17  .023
Al    .3608  .3608  .3608     .0020  .0020  .0020  .0020 -.0001 -.0001 -.0001
Be1  .24835     .5      0 .12 .0028  .0031  .0030  .0022      0      0 -.0002
B1   .24835     .5      0 .88 .0028  .0031  .0030  .0022      0      0 -.0002
Be2  .25833 .74167 .25833 .97 .0036  .0036  .0036  .0036  .0001 -.0001  .0001
B2   .25833 .74167 .25833 .03 .0036  .0036  .0036  .0036  .0001 -.0001  .0001
O1   .38103 .61897 .38103     .0023  .0023  .0023  .0023  .0003 -.0003  .0003
O2   .36350 .36350 .09976     .0039  .0045  .0045  .0027  .0007  .0003  .0003
O3   .39923 .86485 .13515     .0040  .0046  .0037  .0037 -.0004  .0004  .0001
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Londonite
Download hom/londonite.pdf
Gatta G D, Vignola P, McIntyre G J, Diella V
Download am/vol95/AM95_1467.pdf
American Mineralogist 95 (2010) 1467-1472
On the crystal chemistry of londonite [(Cs,K,Rb)Al4Be5B11O28]:
a single-crystal neutron diffraction study at 300 and 20 K
Locality: Antsongombato Gem mine, Betafo district, Madagascar
Note: neutron diffraction study at T = 20 K
_database_code_amcsd 0017718
7.3094 7.3094 7.3094 90 90 90 P-43m
atom      x      y      z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Cs        0      0      0 .34  .010
K         0      0      0 .34  .010
Rb        0      0      0 .17  .010
Al    .3603  .3603  .3603     .0012
Be1  .24846     .5      0 .12 .0012
B1   .24846     .5      0 .88 .0012
Be2  .74190 .25810 .25810 .97 .0012
B2   .74190 .25810 .25810 .03 .0012
O1   .38070 .61930 .38070     .0012
O2   .36390 .36390 .10010     .0019  .0021  .0021  .0014  .0009  .0004  .0004
O3   .39899 .86510 .13490     .0024  .0023  .0025  .0025 -.0001  .0001  .0002
Download AMC data (View Text File)
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View JMOL 3-D Structure (permalink)
 
Londonite
Download hom/londonite.pdf
Pekov I V, Yakubovich O V, Massa W, Chukanov N V, Kononkova N N,
Agakhanov A A, Karpenko V Y
 
The Canadian Mineralogist 48 (2010) 241-254
Londonite from the Urals, and new aspects of the crystal chemistry
of the rhodozite-londonite series,
Locality: Ministerskaya Yama Pit, Sarapulka pegmatite field, Russia
Note: sample FMM-32135
_database_code_amcsd 0006327
7.3149 7.3149 7.3149 90 90 90 P-43m
atom      x      y      z  occ  Uiso
Cs       .5     .5     .5 .553 .0146
K      .460   .460   .460 .083 .0146
Al   .85964 .85964 .85964      .0032
B        .5  .7482      0  .90 .0029
Be'      .5  .7482      0  .10 .0029
Be    .2415  .7585  .7585  .91 .0050
O1    .1185  .8815  .8815      .0040
O2    .5995 .86343 .86343      .0033
O3   .36488 .63512  .9004      .0040
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Londonite
Download hom/londonite.pdf
Taxer K J, Buerger M J
Download zk/vol125/ZK125_423.pdf
Zeitschrift fur Kristallographie 125 (1967) 423-436
The crystal struture of rhodizite
Note: name of mineral altered according to IMA decision in 1999
to name the Cs dominant phase: londonite
Locality: Manjaka, Madagascar
_database_code_amcsd 0010650
7.319 7.319 7.319 90 90 90 P-43m
atom    x     y     z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Cs      0     0     0 1.02  .0048  .0048  .0048      0      0      0
B   .2469    .5     0   .8
Be   .749  .749  .749  1.4  .0068  .0068  .0068  .0003  .0003  .0003
Al  .3603 .3603 .3603  .55  .0026  .0026  .0026  .0002  .0002  .0002
O1  .6203 .6203 .6203  .51  .0015  .0015  .0015  .0017  .0017  .0017
O2  .3643 .3643 .1001  .32  .0013  .0013  .0020  .0011 -.0003  .0011
O3  .1342 .1342 .5996  .75  .0029  .0029  .0048  .0024  .0001  .0024
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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Total number of retrieved datasets: 4
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