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
Nevada North and Central Americas United States 0213 Millerite, Calcite, Grays Quarry, Hamilton, Hancock Co., Illinois September 18, 2019
Derbyshire England United Kingdom 5481 Millerite, Fall Hill Quarry, Ashover, Derbyshire, England October 2, 2019
