0311 TENNANTITE, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia September 28, 2019 Steve Africa Namibia Source K.Davy, 1982
Nevada North & Central Americas United States 5737 CURETONITE, BARYTE, Redhouse Barite Mine, Potosi District, Humboldt County, Nevada, U.S.A. September 28, 2019
Arizona North & Central Americas United States 2036 ALLOPHANE, Maid of Sunshine Mine, Turquoise District, Cochise County, Arizona, U.S.A. September 28, 2019
Mexico North & Central Americas 1305 SILVER, CALCITE, New Nevada Mine, Batopilas, Chihuahua, Mexico September 28, 2019
