Wallisite
Takeuchi Y, Ohmasa M
Zeitschrift fur Kristallographie 127 (1968) 349-365
The crystal structure of wallisite, PbTlCuAs2S5,
the Cu analogue of hatchite PbTlAgAs2S5
Locality: Lengenbach quarry, Binnatal, Switzerland
_database_code_amcsd 0010669
9.215 8.524 7.980 55.983 62.500 69.400 P-1
atom     x     y     z occ Biso
Pb1  .4034 .7518 .3053  .5 2.61
Tl1  .4034 .7518 .3053  .5 2.61
Pb2  .1248 .3088 .4189  .5 4.15
Tl2  .1248 .3088 .4189  .5 4.15
Cu   .0846 .1168 .0508     3.35
As1  .1910 .5436 .8876     2.25
As2  .3632 .9058 .7645     2.34
S1   .4538 .6253 .7363     1.68
S2   .2406 .3672 .7337     2.09
S3   .4206 .1260 .1485     2.26
S4   .0745 .8267 .6736     2.05
S5   .1686 .8057 .0965     1.70