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 5394 SCHAURTEITE, GERMANITE, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia September 28, 2019
Peru South America 4137 CHALCOPYRITE, QUARTZ, Huaron Mines, Huayllay District, Pasco Province, Pasco Department, Peru September 28, 2019
Montana North & Central Americas United States 0366 CORUNDUM, Gallatin Gateway, Gallatin County, Montana, U.S.A. September 28, 2019
