Grumiplucite Mumme W G, Watts J A Acta Crystallographica B36 (1980) 1300-1304 HgBi2S4: Crystal structure and relationship with the pavonite homologous series Locality: synthetic _database_code_amcsd 0009710 14.17 4.06 13.99 90 118.27 90 C2/m atom x y z Biso Hg1 0 0 0 2.3 Hg2 0 0 .5 2.4 Bi1 .2260 0 .3679 1.8 Bi2 .3499 0 .1379 1.7 S1 .1859 .5 .0648 1.3 S2 .4991 .5 .1701 .8 S3 .1244 .5 .4280 1.0 S4 .3432 .5 .3243 2.4