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 P1C
Locality: Adamello Massif, Northern Italy
_database_code_amcsd 0020537
8.574 12.962 7.210 90.35 116.03 88.8 C-1
atom     x     y     z  occ
K1   .2837 .9960 .1372  .94
Na1  .2837 .9960 .1372  .06
Al1  .0097 .1865 .2205  .68
Si1  .0097 .1865 .2205  .32
Al2  .0094 .8176 .2286  .15
Si2  .0094 .8176 .2286  .85
Al3  .7105 .1192 .3421 .065
Si3  .7105 .1192 .3421 .935
Al4  .7073 .8840 .3480 .055
Si4  .7073 .8840 .3480 .945
O1   .0007 .1451 .9901
O2   .6368 .0039 .2849
O3   .8237 .1480 .2224
O4   .8290 .8562 .2348
O5   .0353 .3163 .2549
O6   .0371 .6930 .2646
O7   .1860 .1248 .4053
O8   .1768 .8740 .4084