Growth twinning  gamma-crystals of th silver-mercury system.
D003461:Crystallography; D003723:Dental Amalgam / Q000032:analysis*; D008628:Mercury / Q000032:analysis*; D012834:Silver / Q000032:analysis*; D014961:X-Ray Diffraction
D012834:Silver; D003723:Dental Amalgam; D008628:Mercury