1901 Calcite, Stellerite, Lake Cooper Quarry, Corop, Victoria September 22, 2019 Steve Australasia Australia Victoria
Arizona North and Central Americas United States ncat JL0275 Dioptase, Calcite, Christmas Mine, Gila Co., Arizona, USA October 15, 2019
Australasia New Zealand ncat VHD15, Calcite, Pipikeretu, Dunedin, South Island, New Zealand November 17, 2019
