Nevada North and Central Americas United States 0213 Millerite, Calcite, Grays Quarry, Hamilton, Hancock Co., Illinois September 18, 2019
Canada North and Central Americas 7274 JL1579 Gersdorffite, Millerite, Chalcopyrite, Timagami, Ontario, Canada December 12, 2020
Kentucky North and Central Americas United States 2182 Millerite, Quartz, Halls Gap, Kentucky, USA September 22, 2019