0008 SILVER, COPPER, Cliff Mine, Calumet, Keweenaw County, Michigan, U.S.A. September 28, 2019 Steve Michigan North & Central Americas United States Source R.Coulsell, 1990
Africa Namibia 3442 CUPRITE, CALCITE, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia September 28, 2019
Europe Italy 0401 ROSICKYITE, La Fossa crater, Vulcano Island, Lipari, Eolie Islands, Messina Province, Sicily, Italy September 28, 2019
Maryland North & Central Americas United States 0629 POKROVSKITE, Hunting Hill Quarry, Rockville, Montgomery County, Maryland, U.S.A. September 28, 2019
Australasia Australia Western Australia 2923 GOLD, GALENA, Mt. Dockrell, Kimberley, West. Aust., Australia September 28, 2019
