0786 MALACHITE, Kolwezi Mine, Kolwezi, Katanga, Democratic Republic of Congo September 28, 2019 Steve Africa Democratic Republic of Congo Source R.Coulsell, 1990
North & Central Americas Oklahoma United States 0196 CHALCOPYRITE, DOLOMITE, Kenoyek Mine, Pitcher, Ottawa County, Oklahoma, U.S.A. September 28, 2019
Cornwall England United Kingdom 5087 CHALCOSIDERITE, Phoenix United Mine, Linkinhorne, Liskeard District, Cornwall, England, U.K. September 28, 2019
Connecticut North & Central Americas United States 0173 WURTZITE, QUARTZ, Thomaston Dam, Litchfield County, Connecticut, U.S.A. September 28, 2019