4340 Marcasite, Cabbage Tree Creek, New Zealand October 5, 2019 Steve Australasia New Zealand Joan Lamond Micro Collection 2006
Canada North and Central Americas 30088 Pyrite, Marcasite, Calcite, Nanisivik Mine, Nanisivik, Baffin Island, Canada April 28, 2020
Canada North and Central Americas ncat JP0518 Dolomite, Calcite, Marcasite, Barite, Lincoln Quarry (Beamsville Quarry), Clinton Township, Lincoln Co., Ontario, Canada October 11, 2019
Illinois North and Central Americas United States ncat JP928, Marcasite, Mount Carroll Quarry, Mount Carroll, Carroll Co., Illinois, USA September 23, 2019
Canada North and Central Americas ncat JP1257 Dawsonite, Fluorite, Marcasite, Francon quarry, Montreal, Quebec, Canada October 11, 2019
