3932 Calcite, Level 16, Potosi Mine, Santa Eulalia, Chihuahua, Mexico October 3, 2019 Steve Mexico North and Central Americas Rob Sielecki 6/2004
Australasia Australia Tasmania 4171 Calcite, Quartz, Pyrite, Bavenite, Magnetite, Kara Mine, Hampshire, Tasmania April 13, 2023
Australasia Australia Tasmania 3282 Analcime, Calcite, Fieldwick Quarry, Weldborough Pass, Tasmania October 3, 2019
Illinois North and Central Americas United States 20038 Calcite, Pyrite, Marcasite, Conco Mine, North Aurora, Kane Co., Illinois, USA October 27, 2019
Iowa North and Central Americas United States ncat JP732, Pyrite, Calcite, Pint’s Quarry, Raymond, Black Hawk Co., Iowa, USA September 23, 2019
