Iowa North and Central Americas United States ncat JP2475, Calcite, Pyrite, Oskaloosa, Mahaska Co., Iowa, USA September 23, 2019
Australasia Australia Tasmania 4171 Calcite, Quartz, Pyrite, Bavenite, Magnetite, Kara Mine, Hampshire, Tasmania April 13, 2023
England North Yorkshire United Kingdom 1512 Barite, Calcite, Old Moulds Mine, Langthwaite, Arkengarthdale, Richmondshire, North Yorkshire, England, UK September 22, 2019
