5668 Cuprite, Ray Mine, Mineral Creek Mining District, Pinal Co., Arizona, USA May 8, 2020 Pendleton Arizona North and Central Americas United States Single crystal on small amount of matrix. Ex Brian Shelton Collection.
England North Somerset United Kingdom 4109 Barite, Malachite, Calcite, Clevedon, North Somerset, England, UK February 25, 2025
Australasia Australia Western Australia ncat M760 Silver, Teutonic Bore, Western Australia October 14, 2019
Canada North and Central Americas ncat ANK MSH103 Vinogradovite, Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada December 12, 2022
