Willemite
Simonov M A, Sandomirskii P A, Egorov-Tismenko Y K, Belov N V
Doklady Akademii Nauk SSSR 237 (1977) 581-584
The crystal structure of willemite Zn2[SiO4]
Locality: Franklin, New Jersey, USA
_database_code_amcsd 0018743
13.971 13.971 9.334 90 90 120 R-3
atom     x     y     z Biso
Zn1  .1916 .2087 .5844  .66
Zn2  .1921 .2155 .9185  .72
Si   .1963 .2118 .2510  .71
O1   .1267 .2085 .1082  .85
O2   .1295 .2059 .3955  .77
O3   .1100 .2175 .7496  .80
O4   .3165 .3215 .2493  .99