Anorthoclase Nestola F, Curetti N, Benna P, Ivaldi G, Angel R, Bruno E The Canadian Mineralogist 46 (2008) 1443-1454 Compressibility and high-pressure behavior of Ab63Or27An10 anorthoclase Locality: Torino, Italy Note: P = 6.0 GPa _database_code_amcsd 0006201 7.890 12.720 6.960 92.46 116.53 90.83 C-1 atom x y z occ Uiso Na .2593 .0050 .1378 .63 .050 K .2593 .0050 .1378 .27 .050 Ca .2593 .0050 .1378 .10 .050 Al10 .0018 .1666 .2208 .275 .024 Si10 .0018 .1666 .2208 .725 .024 Al1m -.0071 .8144 .2222 .275 .020 Si1m -.0071 .8144 .2222 .725 .020 Al20 .6838 .1074 .3259 .275 .022 Si20 .6838 .1074 .3259 .725 .022 Al2m .6716 .8764 .3518 .275 .022 Si2m .6716 .8764 .3518 .725 .022 OA1 .0047 .1351 .9871 .036 OA2 .5737 .9908 .2765 .026 OB0 .8045 .1038 .1936 .048 OBm .7976 .8494 .2201 .040 OC0 -.0095 .2925 .2700 .026 OCm .0052 .6872 .2226 .030 OD0 .1928 .1179 .3950 .049 ODm .1752 .8713 .4119 .038