Thortveitite
Bianchi R, Pilati T, Diella V, Gamaccioli C M, Mannucci G
American Mineralogist 73 (1988) 601-607
A re-examination of thortveitite
Sample 2 from Setesdalen
_database_code_amcsd 0001161
6.587 8.547 4.695 90 102.65 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)
Sc        0 .30670      .5 .69  .0087  .0088  .0109      0  .0007      0
Y         0 .30670      .5 .31  .0087  .0088  .0109      0  .0007      0
Si   .22179      0 -.08941 .98  .0094  .0101  .0082      0  .0001      0
Al   .22179      0 -.08941 .02  .0094  .0101  .0082      0  .0001      0
O1        0      0       0      .0116  .0706  .0416      0  .0117      0
O2   .38887      0  .22133      .0114  .0113  .0086      0  .0000      0
O3   .23544 .15622 -.28405      .0231  .0103  .0127  .0028  .0034  .0021