Anorthite Wenk H R, Joswig W, Tagai T, Korekawa M, Smith B K American Mineralogist 65 (1980) 81-95 The average structure of An 62-66 labradorite Note: studied with neutrons Locality: Lake County, Oregon, USA _database_code_amcsd 0019665 8.1747 12.8706 7.1014 93.461 116.086 90.514 C-1 atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Ca1 .269 .975 .176 .325 0.0051 0.0052 0.0187 -.0010 0.0008 -.0034 Na1 .269 .975 .176 .175 0.0051 0.0052 0.0187 -.0010 0.0008 -.0034 Ca2 .273 .032 .098 .325 0.0050 0.0033 0.0100 0.0035 -.0031 -.0047 Na2 .273 .032 .098 .175 0.0050 0.0033 0.0100 0.0035 -.0031 -.0047 Si1 .0053 .1632 .2152 .587 0.0049 0.0015 0.0068 -.0004 0.0000 0.0003 Al1 .0053 .1632 .2152 .412 0.0049 0.0015 0.0068 -.0004 0.0000 0.0003 Si2 .0034 .8163 .2314 .587 0.0048 0.0020 0.0062 0.0006 0.0003 0.0003 Al2 .0034 .8163 .2314 .412 0.0048 0.0020 0.0062 0.0006 0.0003 0.0003 Si3 .6831 .1087 .3158 .587 0.0051 0.0189 0.0046 0.0002 0.0002 -.0002 Al3 .6831 .1087 .3158 .412 0.0051 0.0189 0.0046 0.0002 0.0002 -.0002 Si4 .6796 .8786 .3584 .587 0.0047 0.0012 0.0059 -.0005 -.0003 -.0001 Al4 .6796 .8786 .3584 .412 0.0047 0.0012 0.0059 -.0005 -.0003 -.0001 Oa1 .0029 .1279 .9794 0.0119 0.0029 0.0060 0.0005 0.0039 0.0010 Oa2 .5794 .9913 .2784 0.0049 0.0019 0.0104 -.0001 0.0017 0.0002 Obo .8123 .1030 .1882 0.0090 0.0026 0.0145 -.0006 0.0039 -.0012 Obm .8160 .8537 .2444 0.0086 0.0031 0.0268 0.0006 0.0059 -.0010 Oco .0145 .2869 .2823 0.0071 0.0028 0.0128 -.0008 0.0020 0.0015 Ocm .0117 .6868 .2126 0.0086 0.0039 0.0117 0.0017 0.0022 0.0000 Odo .1974 .1065 .3822 0.0074 0.0024 0.0100 0.0005 -.0013 0.0010 Odm .1905 .8656 .4299 0.0082 0.0031 0.0110 0.0007 -.0079 -.0009