2998 Calcite, Merrywood Coal Mine, Royal George, Tasmania October 3, 2019 Steve Australasia Australia Tasmania
Arizona North and Central Americas United States ncat JL0275 Dioptase, Calcite, Christmas Mine, Gila Co., Arizona, USA October 15, 2019
Cornwall England United Kingdom 3622 Fluorite, Chalcophyllite, Calcite, Wheal Gorland, St Day, Cornwall, England October 3, 2019
Iowa North and Central Americas United States ncat JP654, Calcite, Oskaloosa, Mahaska Co., Iowa, USA September 23, 2019
Australasia Australia South Australia 20085 Calcite, Pyrite, Olympic Dam Mine, Roxby Downs, Stuart Shelf, South Australia September 18, 2022
