Weishanite
Rolfe C, Hume-Rothery W
Journal of the Less-Common Metals 13 (1967) 1-10
The constitution of alloys of gold and mercury
_database_code_amcsd 0014132
2.9180 2.9180 4.8113 90 90 120 P6_3/mmc
atom   x   y   z occ
Au   1/3 2/3 .25 .75
Hg   1/3 2/3 .25 .25