0311 TENNANTITE, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia September 28, 2019 Steve Africa Namibia Source K.Davy, 1982
Europe Italy 1959 DACHIARDITE-Na, Orli Di Fassa, Alpe Di Siusi, Bolzano, Trentino-Alto Adige, Italy September 28, 2019
Arizona North & Central Americas United States 4280 DUMORTIERITE, K.D. Mine, Quartzite, Yuma County, Arizona, U.S.A. September 28, 2019
Africa South Africa 2707 TEPHROITE, N’Chwaning II Mine, Kuruman, Kalahari Mn Field, Northern Cape Province, South Africa September 28, 2019
