1223 DUFRENITE, Coon Creek Mine, Shady, Polk County, Arkansas, U.S.A. September 28, 2019 Steve Arkansas North & Central Americas United States Source G.Leske, 1982
Canada North & Central Americas 5983 STEACYITE, Poudrette Quarry, Mont St. Hilaire, La Vallee-duRichelieu RCM, Monteregio, Quebec, Canada September 28, 2019
Africa Madagascar 4631 MANANDONITE, Antandrokomby Pegmatite, Manandona Valley, Antananarivo Province, Madagascar September 28, 2019
Arizona North & Central Americas United States 5560 HEMIHEDRITE, Adobe Wells Claim, Vulture District, Maricopa County, Arizona, U.S.A. September 28, 2019
