Kentucky North and Central Americas United States 2182 Millerite, Quartz, Halls Gap, Kentucky, USA September 22, 2019
Australasia Australia Western Australia ncat JP3388 Putnisite, Millerite, Quartz, Armstrong Ni Mine, Widgiemooltha, Coolgardie Shire, Western Australia September 23, 2019
United Kingdom Wales ncat JP1550 Millerite, Margam Opencast Mine, Cefn Cribwr, Bridgend, Wales, UK April 2, 2024
Kentucky North and Central Americas United States 20129 VHD1 Millerite, Chalcopyrite, Halls Gap, Lincoln County, Kentucky, USA September 30, 2024
