Polished section (PPL). Grains of anhedral trogtalite (Tgt) partly replaced by a veinlet of sulfur-bearing berzelianite (Brz) in malachite-cemented (Mal) quartz (Qtz). (CanMin, v46:219).
Location:
Thrust-Slice '2400' of the Musonoi Extension mine, Katanga, Democratic Republic of Congo.