ncat JP976 Valentinite, Nador n’Bails Mine, Djebel Nador, Guelma, Constantine Province, Algeria September 23, 2019 Pendleton Africa Algeria
Co. Antrim Northern Ireland United Kingdom 0471 Calcite, Levyne, Parkgate Quarry, Ballysclare, Co. Antrim, Northern Ireland September 19, 2019
Canada North and Central Americas 2674 Sperrylite, Vermilion Mine, Denison Township, Sudbury District, Ontario, Canada October 3, 2019
California North and Central Americas United States 2337 Desautelsite, Artinite pit, Picacho Peak, New Idria Mining District, San Benito Co., California, USA October 27, 2022
North and Central Americas Tennessee United States ncat RAM4 1295 Calcite, Pyrite, Gray Quarry, Gray, Sullivan Co., Tennessee, USA December 31, 2023
