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: ALA16-1800, light exposure for t = 1800 minutes
Note: bonazziite - alacranite series
_database_code_amcsd 0004221
9.862 9.438 9.078 90 101.25 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  -.0031 -.2134 .0591 .69  .069   .071   .083   .052   .012   .008   .013
As1b   .056  -.169  .075 .31  .104   .092   .059    .16   .002   .036   .012
As2  -.1618 -.4080 .1359 .69  .077   .059   .075   .090   .008  -.004  -.021
As2b  -.119  -.465  .177 .31  .078   .076   .095   .068  -.014   .022  -.029
S1        0 -.0621   .25      .089   .106   .062   .097      0   .016      0
S2        0  -.558   .25 .69  .107   .080   .047    .18      0  -.017      0
S3   -.2032 -.3152 .3379      .094   .065   .130   .093  -.009   .032  -.004
S4    -.101  -.321 -.007 .31  .084    .11    .10   .040    .03  -.003  -.006