1416 Millerite, Morenosite, Gelli Colliery Dumps, Rhondda Valley, Mid Glamorgan, Wales September 22, 2019 Steve United Kingdom Wales Click for full sized image…
Michigan North and Central Americas United States ncat JP2956, Millerite, Pyrite, Wallace Stone Company Quarry (Wallace Quarry; Bayport Quarry), Bay Port, Huron Co., Michigan, USA September 23, 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 1553 Millerite, Chalcopyrite, Unknown, Eaglebrook Mine, Dyfed, Wales September 22, 2019
