3091 Marcasite, Allens Workings, Mt Bischoff, Waratah, Tasmania October 3, 2019 Steve Australasia Australia Tasmania May be pyrite
Missouri North and Central Americas United States 1275 Marcasite, Miliken Mine, Viburnum Trend, Reynolds Co, Missouri, USA September 22, 2019
New Jersey North and Central Americas United States 4553 Marcasite, Franklin, New Jersey, USA October 5, 2019
Australasia Australia Western Australia 3154 Sphalerite, Galena, Marcasite, Cadjebut Mine, Fitzroy Crossing, Western Australia October 3, 2019
