Co. Durham England United Kingdom 1916 Calcite, Sphalerite, Frazers Grove Mine, Rookhope, Weardale, England September 22, 2019
North and Central Americas Oklahoma United States 1764 Sphalerite, Pyrite, Quartz, Eagle Picher Mine, Oklahoma, USA March 24, 2018
North and Central Americas United States 2132 Galena, Sphalerite, Tri-State District, USA September 22, 2019
Australasia Australia Western Australia 3154 Sphalerite, Galena, Marcasite, Cadjebut Mine, Fitzroy Crossing, Western Australia October 3, 2019
