Bonazziite
Bonazzi P, Bindi L, Pratesi G, Menchetti S
American Mineralogist 91 (2006) 1323-1330
Light-induced changes in molecular arsenic sulfides: State of the art and
new evidence by single-crystal X-ray diffraction
Sample: B2-600, light exposure for t = 600 minutes
Note: bonazziite - alacranite series
_database_code_amcsd 0004218
9.881 9.397 8.930 90 101.64 90 C2/c
atom      x      y     z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
As1    .002 -.2084 .0570 .83 .0459  .0498   .055  .0320  .0086  .0063  .0094
As1b   .043  -.166  .095 .17  .112    .09   .043    .20   .027    .05   .059
As2  -.1606 -.4022 .1282 .83 .0488  .0362  .0499  .0550  .0038 -.0034 -.0137
As2b  -.120  -.459  .169 .17  .085   .068    .11   .082  -.033   .035  -.063
S1        0 -.0590   .25      .062   .070   .042   .073      0   .011      0
S2        0 -.5525   .25 .83  .065   .054   .034   .098      0  -.005      0
S3   -.2034 -.3065 .3385     .0622   .042   .083   .066  -.008   .023  -.011
S4    -.095  -.320 -.006 .17  .076    .09    .09   .044    .05   .024   .017