0137 CHALCOCITE, Wheal Buller, Redruth, St. Day District, Cornwall, England, U.K. September 28, 2019 Steve Cornwall England United Kingdom Source R.Tyson, 1984
Arizona North & Central Americas United States 3937 WHERRYITE, DIABOLEITE, Mammoth- Saint Anthony Mine, Tiger, Mammoth District, Pinal County, Arizona, U.S.A. September 28, 2019
Mexico North & Central Americas 0025 HEMATITE, Guadalupa, Calvo, Chihuahua, Mexico September 28, 2019
Mexico North & Central Americas 4187 WULFENITE, Ojuela Mine, Mapimi, Mun. de Mapimi, Durango, Mexico September 28, 2019
Illinois North & Central Americas United States 3868 BARYTE, FLUORITE, Denton Mine, Harris Creek Sub-District Sub-District, Hardin County, Illinois, U.S.A. September 28, 2019
