0135 CHALCOCITE, Flambeau Mine, Ladysmith, Rusk County, Wisconsin, U.S.A September 28, 2019 Steve North & Central Americas United States Wisconsin Source J.Mommers, 2010
Europe Russia 1603 TOUNKITE, LAZULITE, CALCITE, Malo-Bystrinkskoye, Lake Biakal, Eastern Siberian Region, Russia September 28, 2019
California North & Central Americas United States 2055 PARASPURRITE, North of Darwin, Darwin, Inyo County, California, U.S.A. September 28, 2019
Mexico North & Central Americas 2266 CRISTOBALITE, Obregon, Mun. de Cajeme, Sonora, Mexico September 28, 2019
