Derbyshire England United Kingdom 5481 Millerite, Fall Hill Quarry, Ashover, Derbyshire, England October 2, 2019
Europe Spain 4756 Millerite, Bellmunt del Priorat, Priorat, Tarragona, Catalonia, Spain October 5, 2019
United Kingdom Wales 1553 Millerite, Chalcopyrite, Unknown, Eaglebrook Mine, Dyfed, Wales September 22, 2019
Kentucky North and Central Americas United States 9113 JP2755, Millerite, US highway 27 roadcut, Halls Gap, Lincoln Co., Kentucky, USA September 23, 2019
