7329 JL3020 Millerite, Park Slip West (Margam Opencast), Cefn Cribwr, Bridgend, Wales, UK December 25, 2020 Steve Bridgend United Kingdom Wales Acquired by Joan Lamond from Harry Critchley in 1998.
United Kingdom Wales ncat JP1550 Millerite, Margam Opencast Mine, Cefn Cribwr, Bridgend, Wales, UK April 2, 2024
Canada North and Central Americas 7274 JL1579 Gersdorffite, Millerite, Chalcopyrite, Timagami, Ontario, Canada December 12, 2020
Derbyshire England United Kingdom ncat JP2138 Millerite, Fall Hill Quarry, Milltown, Ashover, Derbyshire, England, UK October 8, 2019
