5056 Corundum, Zazafotsy Quarry, Ihosy District, Fianarantsoa Province, Madagascar September 29, 2019 Steve Africa Madagascar Ruby. Kerry Banks Collection
Australasia Australia Victoria ncat JP202 Corundum, Mt Loch, Hotham Heights, Victoria September 23, 2019
Montana North and Central Americas United States 3493 Baddeleyite, Corundum, Biotite, Microcline, Bear Trap Deposit, Bozeman, Gallatin Co., Montana, USA October 3, 2019
Montana North and Central Americas United States 10020 Corundum, Bozeman Corundum Mine, Gallatin Gateway, Montana November 16, 2018
