Canada North and Central Americas 7274 JL1579 Gersdorffite, Millerite, Chalcopyrite, Timagami, Ontario, Canada December 12, 2020
Europe Spain 4756 Millerite, Bellmunt del Priorat, Priorat, Tarragona, Catalonia, Spain October 5, 2019
Kentucky North and Central Americas United States 9113 JP2755, Millerite, US highway 27 roadcut, Halls Gap, Lincoln Co., Kentucky, USA September 23, 2019
United Kingdom Wales 1416 Millerite, Morenosite, Gelli Colliery Dumps, Rhondda Valley, Mid Glamorgan, Wales September 22, 2019
