0217 Marcasite, Miliken Mine, Viburnum Trend, Reynolds Co, Missouri, USA September 18, 2019 Steve Missouri North and Central Americas United States
Canada North and Central Americas 8066 Calcite, Fluorite, Marcasite, Barite, Francon quarry, Montreal, Quebec, Canada October 5, 2019
Canada North and Central Americas ncat JP0518 Dolomite, Calcite, Marcasite, Barite, Lincoln Quarry (Beamsville Quarry), Clinton Township, Lincoln Co., Ontario, Canada October 11, 2019
Canada North and Central Americas ncat JP1257 Dawsonite, Fluorite, Marcasite, Francon quarry, Montreal, Quebec, Canada October 11, 2019