5383 Calcite, Shimen Co., Changde Prefecture, Hunan Province, China May 2, 2020 Steve Asia China Butterfly twin. Pink fluorescence. Video best viewed full screen.
Iowa North and Central Americas United States 1455 Pyrite, Pint’s Quarry, Raymond, Black Hawk Co., Iowa, USA March 23, 2018
Canada North and Central Americas 8066 Calcite, Fluorite, Marcasite, Barite, Francon quarry, Montreal, Quebec, Canada October 5, 2019
Africa South Africa 10023 Ettringite, Calcite, Andradite, Hematite, N’Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa October 5, 2019
