Very rare. Third oxidation zone, associated with silver amalgam.
- 3rd Oxidation Zone
Paragenetic and General Notes
Silver amalgam, containing c. 25% mercury, occurs on 44 Level, in the third oxidation zone, where it is intimately intergrown with cuprite and associated with calcite, and malachite. XRD indicates that eugenite (or a phase with a very similar structure) is present in the silver-amalgam