England Lancashire United Kingdom ncat JP2975 Marcasite, Anglezarke Mines, Chorley, Lancashire, England, UK October 8, 2019
Derbyshire England United Kingdom ncat JP1756 Fluorite, Marcasite, Ladywash Mine, Eyam, Derbyshire, England, UK September 17, 2020
Australasia Australia Tasmania 1730 Marcasite, Fluorite, Mt Bischoff, Waratah, Tasmania September 22, 2019