ncat JL0275 Dioptase, Calcite, Christmas Mine, Gila Co., Arizona, USA October 15, 2019 Steve Arizona North and Central Americas United States Click for full sized image…
Canada North and Central Americas 8066 Calcite, Fluorite, Marcasite, Barite, Francon quarry, Montreal, Quebec, Canada October 5, 2019
Europe Germany 10013 Calcite, Millerite, Hematite, St Andreasberg, St Andreasberg District, Harz, Lower Saxony, Germany October 5, 2019
California North and Central Americas United States 5330 Calcite, Tick Canyon, Lang, Los Angeles Co., California September 29, 2019
