American Mineralogist Crystal Structure Database

3 matching records for this search.

Lammerite
Download hom/lammerite.pdf
Hawthorne F C
Download am/vol71/AM71_206.pdf
American Mineralogist 71 (1986) 206-209
Lammerite, Cu3(AsO4)2, a modulated close-packed structure
_database_code_amcsd 0001009
5.079 11.611 5.394 90 111.72 90 P2_1/a
atom      x     y     z  Uiso
Cu1       0    .5    .5 .0125
Cu2   .2462 .8367 .8563 .0148
As   -.1111 .8851 .2625 .0096
O1    .1921 .9173 .2203  .013
O2   -.0946 .8157 .5390  .015
O3    .1717 .6871 .9904  .013
O4    .2893 .9902 .7332  .012
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Lammerite-beta
 
Poulsen S J, Calvo C
 
Canadian Journal of Chemistry 46 (1968) 917-927
Crystal structure of Cu3(AsO4)2
Locality: synthetic
_database_code_amcsd 0012148
6.327 8.642 11.313 90 92.04 90 P2_1/c
atom      x      y     z Biso
Cu1   .2415  .1642 .6323 1.01
Cu2   .6161  .0311 .8777 1.24
Cu3   .9082  .1900 .4316 1.01
As1   .4143  .1134 .3679  .76
As2   .8960  .0602 .1507  .76
O1    .6062  .2381 .4188  .82
O2   -.0324  .2406 .1063  .85
O3    .2082  .1309 .4568 1.24
O4    .0853 -.0731 .1210 1.35
O5    .3379  .1541 .2284  .87
O6    .6701 -.0046 .0836  1.5
O7    .4809 -.0705 .3600  .78
O8   -.1313  .0528 .2986 1.28
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Lammerite-beta
 
Starova G L, Vergasova L P, Filatov S K, Britvin S N, Ananyev V V
 
Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva 140 (2011) 46-51
Lammerite-beta, Cu3(AsO4)2 - a new mineral from fumaroles of the Great
Fissure Tolbachic eruption (Kamchatka, Russia)
Locality: Second cinder cone, North Branch, Tolbach volcano, Kamchatka, Russia
_database_code_amcsd 0018801
6.306 8.643 11.310 90 92.26 90 P2_1/c
atom      x      y     z Uiso
Cu1   .2429  .1645 .6322 .010
Cu2  -.0925  .1900 .4316 .008
Cu3  -.6172  .0312 .1225 .011
As1  -.5861  .1137 .3681 .005
As2  -.1040  .0603 .1509 .006
O1   -.0411  .2404 .1044 .009
O2   -.5177 -.0717 .3641 .012
O3   -.3970  .2394 .4177 .009
O4   -.6597  .1556 .2262 .010
O5    .0840 -.0689 .1188 .010
O6   -.1287  .0510 .2983 .010
O7   -.3289 -.0022 .0835 .011
O8    .2031  .1304 .4554 .013
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View JMOL 3-D Structure (permalink)
 
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