Nuffieldite
Kohatsu I, Wuensch B J
Zeitschrift fur Kristallographie 138 (1973) 343-365
The crystal structure of nuffieldite, Pb2Cu(Pb,Bi)Bi2S7
Locality: Alice Arm, British Columbia, Canada
_database_code_amcsd 0017790
14.387 21.011 4.046 90 90 90 Pbmn
atom     x     y   z occ Biso
PbM1 .1599 .1929 .25  .5   .9
BiM1 .1599 .1929 .25  .5   .9
PbM2 .3936 .3347 .25      .88
PbM3 .6319 .0211 .25     2.04
BiM4 .6075 .4724 .25     1.14
BiM5 .9579 .3431 .25      .99
Cu   .6691 .1722 .25       .9
S1   .5417 .2399 .25      3.6
S2   .0169 .1117 .25      1.4
S3   .4718 .0676 .25      .01
S4   .8026 .2276 .25       .2
S5   .1438 .3724 .25       .9
S6   .7417 .3883 .25      2.5
S7   .3190 .4687 .25       .5