Microcline
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 CA1B
Locality: Adamello Massif, Northern Italy
_database_code_amcsd 0020536
8.560 12.984 7.209 90.28 116.03 89.03 C-1
atom     x     y     z  occ
K1   .2837 .9967 .1375  .94
Na1  .2837 .9967 .1357  .06
Al1  .0099 .1858 .2214  .63
Si1  .0099 .1858 .2214  .37
Al2  .0094 .8173 .2277  .24
Si2  .0094 .8173 .2277  .76
Al3  .7094 .1189 .3425 .065
Si3  .7094 .1189 .3425 .935
Al4  .7070 .8836 .3470 .055
Si4  .7070 .8836 .3470 .945
O1   .0003 .1448 .9926
O2   .6356 .0024 .2853
O3   .8239 .1465 .2238
O4   .8281 .8555 .2329
O5   .0345 .3150 .2562
O6   .0358 .6916 .2636
O7   .1857 .1248 .4062
O8   .1794 .8741 .4090