Bobkingite
Hawthorne F C, Cooper M A, Grice J D, Roberts A C, Hubbard N
Mineralogical Magazine 66 (2002) 301-311
Description and crystal structure of bobkingite, (Cu2+)5Cl2(OH)8(H2O)2,
a new mineral from New Cliffe Hill Quarry, Stanton-under-Bardon, Leicestershire, UK
Locality: New Cliffe Hill Quarry, Stanton-under-Bardon, Leicestershire, UK
_database_code_amcsd 0018486
10.3113 6.7606 8.8386 90 111.468 90 C2/m
atom      x     y      z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Cu1      .5    .5      0     .0100  .0104  .0102  .0113      0  .0061      0
Cu2  .46706    .5 .32367     .0135  .0175  .0127  .0097      0  .0043      0
Cu3     .25   .25      0     .0116  .0133  .0093  .0121 -.0013  .0044  .0006
Cl    .1835    .5  .2129     .0163  .0138  .0173  .0192      0  .0078      0
O1    .4469 .3104  .1456     .0139  .0146  .0124  .0143  .0033  .0049 -.0012
O2    .2661    .5 -.1032     .0178  .0339  .0108  .0084      0  .0073      0
O3       .5 .3127     .5     .0224  .0345  .0173  .0135      0  .0066      0
Wat4  .1931    .5  .5669     .0414  .0637  .0405  .0193      0  .0143      0
H1     .512  .199   .170       .03
H2     .254    .5  -.219       .03
H3     .437  .199   .470  .5   .03