0011 COPPER, Black Rock Open Cut, Mt. Isa Mine, Mt Isa, Qld., Australia September 28, 2019 Steve Australasia Australia Queensland Source R.Coulsell, 1979
Arizona North & Central Americas United States 3862 HEMIHEDRITE, Rat Tail Claims, Wickenburg Area, Maricopa County, Arizona, U.S.A. September 28, 2019
California North & Central Americas United States 1916 FERRIERITE-Mg, CALCITE, Silver Mountain, Alpine County, California, U.S.A. September 28, 2019
Iowa North & Central Americas United States 0189 MILLERITE, CALCITE, Keokuk, Lee County, Iowa, U.S.A. September 28, 2019
Illinois North & Central Americas United States 3869 BARYTE, Denton Mine, Harris Creek Sub-District Sub-District, Hardin County, Illinois, U.S.A. September 28, 2019
