Idaho North and Central Americas United States ncat JL2456 Polybasite, Quartz, De Lamar Mine, Owyhee Co, Idaho, USA October 15, 2019
Australasia Australia New South Wales 8010 Pearceite, Polybasite, Browne’s shaft, Junction Mine, Broken Hill, Yancowinna Co., New South Wales ex Bernie and Margaret Day Collection October 5, 2019
Canada North and Central Americas 4387 Polybasite, Husky Mine, Elsa, Yukon, Canada Ray Hill 7/2007 October 5, 2019
Canada North and Central Americas 4388 Polybasite, Stephanite, Husky Mine, Elsa, Yukon, Canada Ray Hill 7/2007 October 5, 2019
Mexico North and Central Americas 0179 Acanthite (after Polybasite), Valenciana Mine, Guanajuato, Mexico September 18, 2019
