Sanidine
Ohashi Y, Finger LW
Carnegie Institution of Washington: Yearbook 73 (1974) 539-544
Refinement of the crystal structure of sanidine at 25 and 400C
Note: T = 25 C
Locality: Laacher See, Eifel District, Germany
_database_code_amcsd 0020564
8.543 13.021 7.183 90 115.980 90 C2/m
atom     x     y     z occ Biso
K    .2840     0 .1371 .86 2.15
Na   .2840     0 .1371 .14 2.15
SiT1 .0093 .1844 .2238 .68  .83
AlT1 .0093 .1844 .2238 .32  .83
SiT2 .7076 .1177 .3443 .82  .83
AlT2 .7076 .1177 .3443 .18  .83
Oa1      0 .1461     0     1.59
Oa2  .6340     0 .2855     1.59
Ob   .8277 .1454 .2278     1.82
Oc   .0388 .3098 .2577     1.44
Od   .1812 .1264 .4052     1.49