Brochantite
Merlino S, Perchiazzi N, Franco D
European Journal of Mineralogy 15 (2003) 267-275
Brochantite, Cu4SO4(OH)6: OD character, polytypism and crystal structures
Sample: MDO_2 polytype
Locality: Capo Calamita, Elba island, Tuscany, Italy
_database_code_amcsd 0006972
12.776 9.869 6.026 90.15 90 90 P2_1/n
atom     x     y      z  Uiso
Cu1  .2066 .9902  .3770 .0118
Cu2  .2019 .9906 -.1249 .0135
Cu3  .1183 .2608  .1261 .0111
Cu4  .1205 .2569  .6258 .0109
S    .3881 .1991  .1226  .015
OH1   .091  .130   .374  .016
OH2   .084  .136  -.125  .009
OH3   .158  .381   .374  .014
OH4   .158  .385  -.122  .012
OH5   .258  .094   .628  .023
OH6   .142  .897   .124  .019
O7    .275  .141   .126  .023
O8    .383  .352   .125  .016
O9    .442  .147  -.084  .023
O10   .443  .150   .329  .020