5209 Chalcocite, Rainbow Pocket, Flambeau Mine, Ladysmith, Rusk Co., Wisconsin September 29, 2019 Steve North and Central Americas United States Wisconsin
Australasia Australia Queensland 4333 Chalcocite, Mammoth Mine, Mt Gordon, 130km north of Mt Isa, Queensland October 5, 2019
Montana North and Central Americas United States 5535 Bornite after Chalcocite, Belmont Mine, Butte, Silver Bow Co., Montana, USA March 23, 2018
Australasia Australia Queensland ncat VHD3, Chalcocite, Mammoth Mine, Mount Gordon, Queensland November 17, 2019
Cornwall England United Kingdom ncat JP1966 Chalcocite, Geevor Mine (North Levant Mine), Pendeen, St Just, Cornwall, England, UK October 8, 2019
