COL  ICSD Collection Code 100337
 DATE Recorded Dec 31, 1980; updated Apr 22, 1996
 NAME Sodium alumosilicate *
 MINR Albite low - from Amelia, Virginia, USA
 MINR Feldspar group
 FORM Na0.986 (Al1.005 Si2.995 O8)
      = Al1.005 Na.986 O8 Si2.995
 TITL Low albite: a X-Ray and neutron diffraction study
 REF  American Mineralogist
      AMMIA 65 (1980) 986-995
 REF  Acta Crystallographica (1,1948-23,1967)
      ACCRA 11 (1958) 331-348
 REF  Acta Crystallographica B (24,1968-38,1982)
      ACBCA 25 (1969) 1503-1518
 AUT  Harlow G E, BrownÿGÿEÿjr.
 CELL a=8.142 b=12.785 c=7.159 à=94.2 á=116.6 ç=87.7
      V=664.5 Z=4
 SGR  C -1          (2) - triclinic
 CLAS -1    (Hermann-Mauguin) - Ci  (Schoenflies)
 PRS  aC52
 ANX  ABC3X8
 PARM Atom__No OxStat  Wyck ---X--- ---Y--- ---Z---  -SOF-
      Al     1  3.000    4i  0.00878 0.16864 0.20805   0.97(2)
      Si     1  4.000    4i  0.00878 0.16864 0.20805   0.03(2)
      Si     2  4.000    4i  0.00382 0.82064 0.23734   0.965
      Al     2  3.000    4i  0.00382 0.82064 0.23734   0.035
      Si     3  4.000    4i  0.6921  0.1104  0.31507
      Si     4  4.000    4i  0.68175 0.88189 0.36071
      Na     1  1.000    4i  0.26839 0.98867 0.14628   0.986
      O      1 -2.000    4i  0.00481 0.1312  0.9661
      O      2 -2.000    4i  0.59166 0.99766 0.27967
      O      3 -2.000    4i  0.81285 0.11039 0.19124
      O      4 -2.000    4i  0.82061 0.85121 0.25942
      O      5 -2.000    4i  0.01348 0.30276 0.27023
      O      6 -2.000    4i  0.02402 0.6939  0.22938
      O      7 -2.000    4i  0.20765 0.10922 0.38898
      O      8 -2.000    4i  0.18316 0.86825 0.43555
 WYCK i13
ÿ
 TF   Atom   á(1,1)  á(2,2)  á(3,3)  á(1,2)  á(1,3)  á(2,3)
      Al 1    0.0033  0.0007  0.0026 -0.0002  0.0013  0.0000
      Si 1    0.0033  0.0007  0.0026 -0.0002  0.0013  0.0000
      Si 2    0.0028  0.0006  0.0022  0.0002  0.0011  0.0001
      Al 2    0.0028  0.0006  0.0022  0.0002  0.0011  0.0001
      Si 3    0.0025  0.0005  0.0031 -0.0000  0.0009  0.0000
      Si 4    0.0025  0.0005  0.0032  0.0001  0.0012  0.0002
      Na 1    0.0062  0.0052  0.0147 -0.0008  0.0036 -0.0052
      O  1    0.0072  0.0012  0.0033  0.0003  0.0030  0.0002
      O  2    0.0034  0.0007  0.0058 -0.0000  0.0013  0.0003
      O  3    0.0052  0.0015  0.0079 -0.0007  0.0041 -0.0003
      O  4    0.0059  0.0017  0.0105  0.0010  0.0053  0.0003
      O  5    0.0052  0.0008  0.0066 -0.0003  0.0022 -0.0003
      O  6    0.0049  0.0008  0.0067  0.0005  0.0013  0.0001
      O  7    0.0056  0.0014  0.0040  0.0007  0.0005  0.0005
      O  8    0.0063  0.0015  0.0044 -0.0004 -0.0000 -0.0003
 REM  M PDF 19-1184
 REM  M averaged T-O = 1.742, 1.607, 1.615, 1.616
 REM  M also refinement with split Na-atom
 REM  M y(O1) was misprinted as .12120
 RVAL 0.030