American Mineralogist Crystal Structure Database

3 matching records for this search.

Eudidymite
Download hom/eudidymite.pdf
Ito T
Download am/vol32/AM32_442.pdf
American Mineralogist 32 (1947) 442-453
The structure of eudidymite (HNaBeSi3O8)
Note: this structure does not make any sense
_database_code_amcsd 0000043
12.62 7.37 13.99 90 103.72 90 C2/c
atom    x    y    z
Na1     0 .030  .25
Na2    .5 .030  .25
Be   .427 .130 .320
Si1  .063 .415 .312
Si2  .563 .415 .312
Si3  .241 .122 .243
O1   .052 .030 .396
O2   .552 .030 .396
O3      0 .275  .25
O4     .5 .275  .25
O5   .161 .030 .190
O6   .661 .030 .190
O7   .208 .315 .372
O8   .708 .315 .372
OH   .303 .190 .494
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View JMOL 3-D Structure (permalink)
 
Eudidymite
Download hom/eudidymite.pdf
Fang J H, Robinson P D, Ohya Y
Download am/vol57/AM57_1345.pdf
American Mineralogist 57 (1972) 1345-1354
Redetermination of the crystal structure of eudidymite and its dimorphic
relationship to epididymite
_database_code_amcsd 0000293
12.63 7.38 14.02 90 103.72 90 C2/c
atom     x     y     z Biso
Na   .0287 .3405 .9282 2.57
Be   .1677 .3228 .4969 1.08
Si1  .2038 .0199 .6416  .76
Si2  .2518 .1027 .8665  .78
Si3  .0297 .0933 .3618  .82
O1   .0732 .0329 .6266 1.07
O2   .2401 .1800 .1152 1.49
O3   .2410 .1650 .5715 1.19
O4   .2368 .4392 .2447 1.65
O5   .1549 .4984 .0558 1.16
O6   .1292 .0519 .8755 1.12
O7       0 .1732   .25 1.51
O8   .0526 .2561 .4373 1.31
Wat      0 .4322   .75 3.03
Download AMC data (View Text File)
Download CIF data (View Text File)
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View JMOL 3-D Structure (permalink)
 
Eudidymite
Download hom/eudidymite.pdf
Gatta G D, Rotiroti N, McIntyre G J, Guastoni A, Nestola F
Download am/vol93/AM93_1158.pdf
American Mineralogist 93 (2008) 1158-1165
New insights into the crystal chemistry of epididymite and eudidymite
from Malosa, Malawi: A single-crystal neutron diffraction study
Locality: Malosa, Malawi
_database_code_amcsd 0004615
12.6188 7.3781 13.9940 90 103.762 90 C2/c
atom      x      y      z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Na   .02899 .34078 .92853     .0260  .0256  .0299  .0241 -.0089  .0089 -.0102
Be   .16817 .32317 .49710     .0067  .0068  .0058  .0073 -.0005  .0015 .00050
Si1  .20415 .01965 .64127     .0045  .0068  .0026  .0047  .0012  .0024 -.0004
Si2  .25166 .10250 .86648     .0050  .0058  .0037  .0051  .0010  .0005 -.0010
Si3  .02964 .09397 .36195     .0050  .0042  .0062  .0044 -.0006  .0007 -.0011
O1   .07277 .03247 .62614     .0108  .0073  .0108  .0148  .0019  .0038 -.0022
O2   .24036 .18030 .11540     .0127  .0191  .0038  .0159 -.0004  .0055 -.0023
O3   .24045 .16471 .57054     .0073  .0087  .0063  .0076  .0030  .0034  .0004
O4   .23677 .43859 .24484     .0122  .0149  .0167  .0051 -.0022  .0028 -.0009
O5   .15480 .49864 .05623     .0087  .0083  .0079  .0088  .0032  .0001 -.0011
O6   .12854 .05189 .87541     .0103  .0080  .0092  .0138  .0010  .0030 -.0029
O7        0 .17321    .25     .0109  .0169  .0089  .0064      0  .0016      0
O8   .05237 .25694 .43729     .0092  .0073  .0108  .0088 -.0039  .0004 -.0003
H1    .0840  .4645  .7449  .5  .059   .042   .083   .050  -.001   .007  -.018
H2   -.0227  .5419  .7486  .5  .054   .064   .043   .055   .004   .016   .020
OW   .01209 .43098 .74466  .5
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: 3
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