Sanidine
Ohashi Y, Finger LW
Carnegie Institution of Washington: Yearbook 74 (1975) 569-572
An effect of temperature on the feldspar structure: crystal
structure of sanidine at 800C
Note: T = 800 C
Locality: Laacher See, Eifel District, Germany
_database_code_amcsd 0020566
8.6820 13.0130 7.1840 90 115.710 90 C2/m
atom     x     y     z occ Biso
K    .2924     0 .1426 .86 7.29
Na   .2924     0 .1426 .14 7.29
SiT1 .0108 .1867 .2245 .68 2.49
AlT1 .0108 .1867 .2245 .32 2.49
SiT2 .7156 .1185 .3462 .82 2.45
AlT2 .7156 .1185 .3462 .18 2.45
Oa1      0 .1489     0	   4.06
Oa2  .6503     0 .2895	   3.97
Ob   .8326 .1503 .2314	   4.88
Oc   .0427 .3114 .2615	   4.12
Od   .1755 .1261 .4056	   4.34