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 P17C
Locality: Adamello Massif, Northern Italy
_database_code_amcsd 0020534
8.567 12.980 7.200 90.07 116.03 89.75 C-1
atom      x      y     z  occ
K1   .28447 .99911 .1379 .871
Na1  .28447 .99911 .1379  .12
Rb1  .28447 .99911 .1379 .008
Al1  .00955 .18492 .2234 .445
Si1  .00955 .18492 .2234 .555
Al2  .00949 .81582 .2251  .33
Si2  .00949 .81582 .2251  .67
Al3  .70929 .11813 .3440 .085
Si3  .70929 .11813 .3440 .915
Al4  .70851 .88251 .3449  .08
Si4  .70851 .88251 .3449  .92
O1    .0004  .1455 .9979
O2    .6372  .0005 .2853
O3    .8263  .1465 .2266
O4    .8276  .8541 .2293
O5    .0353  .3122 .2582
O6    .0357  .6893 .2604
O7    .1824  .1257 .4067
O8    .1800  .8741 .4070