0310 TENNANTITE, DOLOMITE, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia September 28, 2019 Steve Africa Namibia Source G.Leske, 1979
Canada North & Central Americas 4635 ROSCOELITE, David Bell Mine, Marathon, Thunder Bay District, Ontario, Canada September 28, 2019
Brazil South America 0649 MAGNESITE, Pomba Pit, Brumado, Serra das Eguas, Bahia, Brazil September 28, 2019
Mexico North & Central Americas 2266 CRISTOBALITE, Obregon, Mun. de Cajeme, Sonora, Mexico September 28, 2019
Europe Italy 3201 CANNIZZARITE, Vulcano Island, Eolie Islands, Messina Province, Sicily, Italy September 28, 2019