4888 Millerite, Fall Hill Quarry, Milltown, Ashover, Derbyshire, England, UK October 5, 2019 Steve Derbyshire England United Kingdom Richard Bell
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
Derbyshire England United Kingdom ncat JP2138 Millerite, Fall Hill Quarry, Milltown, Ashover, Derbyshire, England, UK October 8, 2019