Orthoclase
Prince E, Donnay G, Martin R F
American Mineralogist 58 (1973) 500-507
Neutron diffraction refinement of an ordered orthoclase structure
Locality:  Himalaya mine, California, USA
_database_code_amcsd 0000320
8.5632 12.963 7.2099 90 116.073 90 C2/m
atom      x     y     z occ  U(1,1)  U(2,2)  U(3,3)   U(1,2)  U(1,3)   U(2,3)
Si1   .0095 .1842 .2247  .5 .017478 .012538 .011905 -.002913 .007472 -.001900
Al1   .0095 .1842 .2247  .5 .017478 .012538 .011905 -.002913 .007472 -.001900
Si2   .7085 .1176 .3446     .017478 .012032 .013932  .000253 .006966  .000380
K     .2840     0 .1388 .86 .018998 .030396 .025330        0 .006586        0
Na    .2840     0 .1388 .10 .018998 .030396 .025330        0 .006586        0
OA(1)     0 .1451     0     .026977 .019504 .023810        0 .012032        0
OA(2) .6365     0 .2853     .024570 .012285 .019378        0 .004179        0
OB    .8256 .1459 .2279     .027610 .031030 .028243 -.003040 .018618  .002026
OC    .0353 .3118 .2599     .021024 .017731 .022164 -.003800 .008106 -.004559
OD    .1818 .1252 .4080     .024190 .020264 .012665  .001773 .002913  .001646