data_global
_chemical_name_mineral 'Bonazziite'
loop_
_publ_author_name
'Bindi L'
'Pratesi G'
'Muniz-Miranda M'
'Zoppi M'
'Chelazzi L'
'Lepore G O'
'Menchetti S'
_journal_name_full 'Mineralogical Magazine'
_journal_volume 79 
_journal_year 2015
_journal_page_first 121
_journal_page_last 131
_publ_section_title
;
 From ancient pigments to modern optoelectronic applications of arsenic sulfides:
 bonazziite, the natural analogue of beta-As4S4 from Khaidarkan deposit, Kyrgyzstan
;
_database_code_amcsd 0020633
_chemical_compound_source 'Fergana Valley, Alai Range, Osh Oblast, Kyrgyzstan'
_chemical_formula_sum 'As S'
_cell_length_a 9.956
_cell_length_b 9.308
_cell_length_c 8.869
_cell_angle_alpha 90
_cell_angle_beta 102.55
_cell_angle_gamma 90
_cell_volume 802.257
_exptl_crystal_density_diffrn      3.543
_symmetry_space_group_name_H-M 'C 1 2/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
As1  -0.00188  -0.20545   0.05491   0.02880
As2  -0.16022  -0.40158   0.12611   0.02830
S1   0.00000   0.05400   0.25000   0.03370
S2   0.00000   0.55360   0.25000   0.03600
S3  -0.20120  -0.30400   0.34030   0.03480
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
As1 0.03490 0.03410 0.01750 0.00550 0.00590 0.00670
As2 0.02370 0.03190 0.02500 0.00050 -0.00380 -0.00650
S1 0.04460 0.02260 0.03360 0.00000 0.00790 0.00000
S2 0.03620 0.02220 0.04350 0.00000 -0.00460 0.00000
S3 0.02670 0.04940 0.03090 -0.00440 0.01180 -0.00640