1744 SHATTUCKITE, Ajo Area, Little Ajo Mtns., Pima County, Arizona, U.S.A. September 28, 2019 Steve Arizona North & Central Americas United States Source S.Dohnt, 1986
North & Central Americas Pennsylvania United States 2341 MAGNESIOCHROMITE, Red Pit Mine, Fulton, Lancaster County, Pennsilvania, U.S.A. September 28, 2019
Africa Madagascar 6280 LONDONITE, Antsongombato Gem Mine, Betafo Dist., Vakinankaratra, Antananarivo Province, Madagascar September 28, 2019
Australasia Australia South Australia 3892 GYPSUM, Mt. Gunson Mines, Mount Gunson, Andamooka Ranges, South Aust., Australia September 28, 2019