Albite Keefer K D, Brown G E American Mineralogist 63 (1978) 1264-1273 Crystal structures and compositions of sanidine and high albite in cryptoperthitic intergrowth Note this sample of feldspar is from the Rabb Canyon pegmatite, Grant County, New Mexico, USA _database_code_amcsd 0000694 8.144 12.989 7.160 92.10 116.56 90.21 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) Na .2690 .0048 .1319 .80 .0101 .0143 .0357 .0009 .0026 -.0113 K .2690 .0048 .1319 .20 .0101 .0143 .0357 .0009 .0026 -.0113 Si1o .0078 .1694 .2182 .75 .0063 .0030 .0036 -.0002 .0023 .0000 Al1o .0078 .1694 .2182 .25 .0063 .0030 .0036 -.0002 .0023 .0000 Si1m .0057 .8175 .2261 .75 .0059 .0030 .0036 .0006 .0017 .0005 Al1m .0057 .8175 .2261 .25 .0059 .0030 .0036 .0006 .0017 .0005 Si2o .6893 .1104 .3287 .75 .0050 .0029 .0050 .0000 .0012 .0003 Al2o .6893 .1104 .3287 .25 .0050 .0029 .0050 .0000 .0012 .0003 Si2m .6857 .8802 .3484 .75 .0051 .0029 .0045 .0003 .0013 .0003 Al2m .6857 .8802 .3484 .25 .0051 .0029 .0045 .0003 .0013 .0003 Oa1 .0035 .1359 .9914 .0125 .0042 .0088 -.0001 .0059 -.0003 Oa2 .5913 .9943 .2821 .0071 .0035 .0091 -.0002 .0026 .0001 Obo .8216 .1145 .2108 .0081 .0054 .0154 -.0011 .0074 -.0003 Obm .8184 .8552 .2378 .0089 .0061 .0122 .0013 .0048 -.0001 Oco .0152 .2959 .2658 .0090 .0040 .0097 -.0010 .0032 -.0004 Ocm .0202 .6893 .2329 .0089 .0034 .0096 .0010 .0015 .0006 Odo .1965 .1168 .3950 .0091 .0040 .0077 .0009 .0018 .0008 Odm .1918 .8710 .4190 .0100 .0039 .0069 -.0004 -.0010 -.0006