American Mineralogist Crystal Structure Database

1 matching records for this search.

Orthoclase
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Dal Negro A, De Pieri R, Quareni S
Acta Crystallographica B34 (1978) 2699-2707
The crystal structures of nine K feldspars from the Adamello
Massif (Northern Italy)
Note: Sample P2A
Locality: Adamello Massif, Northern Italy
_database_code_amcsd 0020551
8.583 12.988 7.202 90 116.05 90 C-1
atom     x     y     z  occ
K1   .2851 .9996 .1380 .931
Na1  .2851 .9996 .1380 .055
Ca1  .2851 .9996 .1380 .009
Ba1  .2851 .9996 .1380 .005
Al1  .0095 .1852 .2236 .415
Si1  .0095 .1852 .2236 .585
Al2  .0096 .8152 .2247 .335
Si2  .0096 .8152 .2247 .665
Al3  .7096 .1181 .3442  .11
Si3  .7096 .1181 .3442  .89
Al4  .7093 .8823 .3447  .11
Si4  .7093 .8823 .3447  .89
O1   .9996 .1458 .9983
O2   .6382 .0003 .2854
O3   .8267 .1469 .2270
O4   .8276 .8533 .2276
O5   .0357 .3119 .2579
O6   .0354 .6888 .2597
O7   .1810 .1260 .4062
O8   .1801 .8738 .4066
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