2157 Roxbyite, Pyrite, Gunpowder, Queensland September 22, 2019 Steve Australasia Australia Queensland
Illinois North and Central Americas United States 20038 Calcite, Pyrite, Marcasite, Conco Mine, North Aurora, Kane Co., Illinois, USA October 27, 2019
Iowa North and Central Americas United States ncat JP2475, Calcite, Pyrite, Oskaloosa, Mahaska Co., Iowa, USA September 23, 2019