20047 Calcite, Quartz, Pachapaqui mining district, Bolognesi Province, Áncash, Peru April 20, 2020 Steve Peru South America White spiky balls of calcite on quartz. Fluorescent pink.
Colorado North and Central Americas United States 0224 Enargite, Quartz, Silverton, Colorado September 18, 2019
Illinois North and Central Americas United States 20038 Calcite, Pyrite, Marcasite, Conco Mine, North Aurora, Kane Co., Illinois, USA October 27, 2019
Australasia Australia Victoria ncat JP360 Chabazite-K, Calcite, Tylden quarry, Tylden, Macedon Ranges Shire, Victoria September 23, 2019
