Australasia Australia South Australia ncat JP1160 Gypsum, Olympic Dam Mine, Roxby Downs, Stuart Shelf, South Australia September 23, 2019
Oceana Papua New Guinea 6090 Gypsum, Calcite, Porgera Mine, Mt Kare Valley, Mt Hagen, Enga Province, Papua New Guinea October 2, 2019
Mississippi North and Central Americas United States ncat Gypsum, Guntown, Mississippi, USA November 27, 2023
